validator_test.go

package validator

import (
	"bytes"
	"context"
	"database/sql"
	"database/sql/driver"
	"encoding/base64"
	"encoding/json"
	"errors"
	"fmt"
	"image"
	"image/jpeg"
	"image/png"
	"net"
	"os"
	"path/filepath"
	"reflect"
	"runtime"
	"strings"
	"testing"
	"time"

	. "github.com/go-playground/assert/v2"
	"github.com/go-playground/locales/en"
	"github.com/go-playground/locales/fr"
	"github.com/go-playground/locales/nl"
	ut "github.com/go-playground/universal-translator"
)

// NOTES:
// - Run "go test" to run tests
// - Run "gocov test | gocov report" to report on test coverage by file
// - Run "gocov test | gocov annotate -" to report on all code and functions, those, marked with "MISS" were never called
//
// or
//
// -- may be a good idea to change to output path to somewherelike /tmp
// go test -coverprofile cover.out && go tool cover -html=cover.out -o cover.html
//
//
// go test -cpuprofile cpu.out
// ./validator.test -test.bench=. -test.cpuprofile=cpu.prof
// go tool pprof validator.test cpu.prof
//
//
// go test -memprofile mem.out

type I interface {
	Foo() string
}

type Impl struct {
	F string `validate:"len=3"`
}

func (i *Impl) Foo() string {
	return i.F
}

type SubTest struct {
	Test string `validate:"required"`
}

type TestInterface struct {
	Iface I
}

type TestString struct {
	BlankTag  string `validate:""`
	Required  string `validate:"required"`
	Len       string `validate:"len=10"`
	Min       string `validate:"min=1"`
	Max       string `validate:"max=10"`
	MinMax    string `validate:"min=1,max=10"`
	Lt        string `validate:"lt=10"`
	Lte       string `validate:"lte=10"`
	Gt        string `validate:"gt=10"`
	Gte       string `validate:"gte=10"`
	OmitEmpty string `validate:"omitempty,min=1,max=10"`
	Boolean   string `validate:"boolean"`
	Sub       *SubTest
	SubIgnore *SubTest `validate:"-"`
	Anonymous struct {
		A string `validate:"required"`
	}
	Iface I
}

type TestUint64 struct {
	Required  uint64 `validate:"required"`
	Len       uint64 `validate:"len=10"`
	Min       uint64 `validate:"min=1"`
	Max       uint64 `validate:"max=10"`
	MinMax    uint64 `validate:"min=1,max=10"`
	OmitEmpty uint64 `validate:"omitempty,min=1,max=10"`
}

type TestFloat64 struct {
	Required  float64 `validate:"required"`
	Len       float64 `validate:"len=10"`
	Min       float64 `validate:"min=1"`
	Max       float64 `validate:"max=10"`
	MinMax    float64 `validate:"min=1,max=10"`
	Lte       float64 `validate:"lte=10"`
	OmitEmpty float64 `validate:"omitempty,min=1,max=10"`
}

type TestSlice struct {
	Required  []int `validate:"required"`
	Len       []int `validate:"len=10"`
	Min       []int `validate:"min=1"`
	Max       []int `validate:"max=10"`
	MinMax    []int `validate:"min=1,max=10"`
	OmitEmpty []int `validate:"omitempty,min=1,max=10"`
}

func AssertError(t *testing.T, err error, nsKey, structNsKey, field, structField, expectedTag string) {
	errs := err.(ValidationErrors)

	found := false
	var fe FieldError

	for i := 0; i < len(errs); i++ {
		if errs[i].Namespace() == nsKey && errs[i].StructNamespace() == structNsKey {
			found = true
			fe = errs[i]
			break
		}
	}

	EqualSkip(t, 2, found, true)
	NotEqualSkip(t, 2, fe, nil)
	EqualSkip(t, 2, fe.Field(), field)
	EqualSkip(t, 2, fe.StructField(), structField)
	EqualSkip(t, 2, fe.Tag(), expectedTag)
}

func AssertDeepError(t *testing.T, err error, nsKey, structNsKey, field, structField, expectedTag, actualTag string) {
	errs := err.(ValidationErrors)

	found := false
	var fe FieldError

	for i := 0; i < len(errs); i++ {
		if errs[i].Namespace() == nsKey && errs[i].StructNamespace() == structNsKey && errs[i].Tag() == expectedTag && errs[i].ActualTag() == actualTag {
			found = true
			fe = errs[i]
			break
		}
	}

	EqualSkip(t, 2, found, true)
	NotEqualSkip(t, 2, fe, nil)
	EqualSkip(t, 2, fe.Field(), field)
	EqualSkip(t, 2, fe.StructField(), structField)
}

func getError(err error, nsKey, structNsKey string) FieldError {
	errs := err.(ValidationErrors)

	var fe FieldError

	for i := 0; i < len(errs); i++ {
		if errs[i].Namespace() == nsKey && errs[i].StructNamespace() == structNsKey {
			fe = errs[i]
			break
		}
	}

	return fe
}

type valuer struct {
	Name string
}

func (v valuer) Value() (driver.Value, error) {
	if v.Name == "errorme" {
		panic("SQL Driver Valuer error: some kind of error")
		// return nil, errors.New("some kind of error")
	}

	if len(v.Name) == 0 {
		return nil, nil
	}

	return v.Name, nil
}

type MadeUpCustomType struct {
	FirstName string
	LastName  string
}

func ValidateCustomType(field reflect.Value) interface{} {
	if cust, ok := field.Interface().(MadeUpCustomType); ok {
		if len(cust.FirstName) == 0 || len(cust.LastName) == 0 {
			return ""
		}

		return cust.FirstName + " " + cust.LastName
	}

	return ""
}

func OverrideIntTypeForSomeReason(field reflect.Value) interface{} {
	if i, ok := field.Interface().(int); ok {
		if i == 1 {
			return "1"
		}

		if i == 2 {
			return "12"
		}
	}

	return ""
}

type CustomMadeUpStruct struct {
	MadeUp        MadeUpCustomType `validate:"required"`
	OverriddenInt int              `validate:"gt=1"`
}

func ValidateValuerType(field reflect.Value) interface{} {
	if valuer, ok := field.Interface().(driver.Valuer); ok {
		val, err := valuer.Value()
		if err != nil {
			// handle the error how you want
			return nil
		}

		return val
	}

	return nil
}

type TestPartial struct {
	NoTag     string
	BlankTag  string     `validate:""`
	Required  string     `validate:"required"`
	SubSlice  []*SubTest `validate:"required,dive"`
	Sub       *SubTest
	SubIgnore *SubTest `validate:"-"`
	Anonymous struct {
		A         string     `validate:"required"`
		ASubSlice []*SubTest `validate:"required,dive"`

		SubAnonStruct []struct {
			Test      string `validate:"required"`
			OtherTest string `validate:"required"`
		} `validate:"required,dive"`
	}
}

type TestStruct struct {
	String string `validate:"required" json:"StringVal"`
}

func StructValidationTestStructSuccess(sl StructLevel) {
	st := sl.Current().Interface().(TestStruct)

	if st.String != "good value" {
		sl.ReportError(st.String, "StringVal", "String", "badvalueteststruct", "good value")
	}
}

func StructValidationTestStruct(sl StructLevel) {
	st := sl.Current().Interface().(TestStruct)

	if st.String != "bad value" {
		sl.ReportError(st.String, "StringVal", "String", "badvalueteststruct", "bad value")
	}
}

func StructValidationNoTestStructCustomName(sl StructLevel) {
	st := sl.Current().Interface().(TestStruct)

	if st.String != "bad value" {
		sl.ReportError(st.String, "String", "", "badvalueteststruct", "bad value")
	}
}

func StructValidationTestStructInvalid(sl StructLevel) {
	st := sl.Current().Interface().(TestStruct)

	if st.String != "bad value" {
		sl.ReportError(nil, "StringVal", "String", "badvalueteststruct", "bad value")
	}
}

func StructValidationTestStructReturnValidationErrors(sl StructLevel) {
	s := sl.Current().Interface().(TestStructReturnValidationErrors)

	errs := sl.Validator().Struct(s.Inner1.Inner2)
	if errs == nil {
		return
	}

	sl.ReportValidationErrors("Inner1.", "Inner1.", errs.(ValidationErrors))
}

func StructValidationTestStructReturnValidationErrors2(sl StructLevel) {
	s := sl.Current().Interface().(TestStructReturnValidationErrors)

	errs := sl.Validator().Struct(s.Inner1.Inner2)
	if errs == nil {
		return
	}

	sl.ReportValidationErrors("Inner1JSON.", "Inner1.", errs.(ValidationErrors))
}

type TestStructReturnValidationErrorsInner2 struct {
	String string `validate:"required" json:"JSONString"`
}

type TestStructReturnValidationErrorsInner1 struct {
	Inner2 *TestStructReturnValidationErrorsInner2
}

type TestStructReturnValidationErrors struct {
	Inner1 *TestStructReturnValidationErrorsInner1 `json:"Inner1JSON"`
}

type StructLevelInvalidErr struct {
	Value string
}

func StructLevelInvalidError(sl StructLevel) {
	top := sl.Top().Interface().(StructLevelInvalidErr)
	s := sl.Current().Interface().(StructLevelInvalidErr)

	if top.Value == s.Value {
		sl.ReportError(nil, "Value", "Value", "required", "")
	}
}

func stringPtr(v string) *string {
	return &v
}

func intPtr(v int) *int {
	return &v
}

func float64Ptr(v float64) *float64 {
	return &v
}

func TestStructLevelInvalidError(t *testing.T) {
	validate := New()
	validate.RegisterStructValidation(StructLevelInvalidError, StructLevelInvalidErr{})

	var test StructLevelInvalidErr

	err := validate.Struct(test)
	NotEqual(t, err, nil)

	errs, ok := err.(ValidationErrors)
	Equal(t, ok, true)

	fe := errs[0]
	Equal(t, fe.Field(), "Value")
	Equal(t, fe.StructField(), "Value")
	Equal(t, fe.Namespace(), "StructLevelInvalidErr.Value")
	Equal(t, fe.StructNamespace(), "StructLevelInvalidErr.Value")
	Equal(t, fe.Tag(), "required")
	Equal(t, fe.ActualTag(), "required")
	Equal(t, fe.Kind(), reflect.Invalid)
	Equal(t, fe.Type(), reflect.TypeOf(nil))
}

func TestNameNamespace(t *testing.T) {
	type Inner2Namespace struct {
		String []string `validate:"dive,required" json:"JSONString"`
	}

	type Inner1Namespace struct {
		Inner2 *Inner2Namespace `json:"Inner2JSON"`
	}

	type Namespace struct {
		Inner1 *Inner1Namespace `json:"Inner1JSON"`
	}

	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	i2 := &Inner2Namespace{String: []string{"ok", "ok", "ok"}}
	i1 := &Inner1Namespace{Inner2: i2}
	ns := &Namespace{Inner1: i1}

	errs := validate.Struct(ns)
	Equal(t, errs, nil)

	i2.String[1] = ""

	errs = validate.Struct(ns)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "Namespace.Inner1JSON.Inner2JSON.JSONString[1]", "Namespace.Inner1.Inner2.String[1]", "JSONString[1]", "String[1]", "required")

	fe := getError(ve, "Namespace.Inner1JSON.Inner2JSON.JSONString[1]", "Namespace.Inner1.Inner2.String[1]")
	NotEqual(t, fe, nil)
	Equal(t, fe.Field(), "JSONString[1]")
	Equal(t, fe.StructField(), "String[1]")
	Equal(t, fe.Namespace(), "Namespace.Inner1JSON.Inner2JSON.JSONString[1]")
	Equal(t, fe.StructNamespace(), "Namespace.Inner1.Inner2.String[1]")
}

func TestBlankTagNameFuncOmitsNamespace(t *testing.T) {
	validate := New(WithTagNameFuncBlankOmit())
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name, _, _ := strings.Cut(fld.Tag.Get("json"), ",")
		if name == "-" {
			return ""
		}
		return name
	})

	type Inner struct {
		Field string `validate:"required" json:"field"`
	}

	type Outer struct {
		Hidden  Inner  `json:"-"`
		Skipped string `validate:"required" json:"-"`
	}

	errs := validate.Struct(Outer{})
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 2)

	AssertError(t, errs, "Outer.field", "Outer.Hidden.Field", "field", "Field", "required")
	AssertError(t, errs, "Outer", "Outer.Skipped", "", "Skipped", "required")

	fe := getError(ve, "Outer.field", "Outer.Hidden.Field")
	NotEqual(t, fe, nil)
	Equal(t, fe.Field(), "field")
	Equal(t, fe.StructField(), "Field")
	Equal(t, fe.Namespace(), "Outer.field")
	Equal(t, fe.StructNamespace(), "Outer.Hidden.Field")

	fe = getError(ve, "Outer", "Outer.Skipped")
	NotEqual(t, fe, nil)
	Equal(t, fe.Field(), "")
	Equal(t, fe.StructField(), "Skipped")
	Equal(t, fe.Namespace(), "Outer")
	Equal(t, fe.StructNamespace(), "Outer.Skipped")
}

func TestAnonymous(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type Test struct {
		Anonymous struct {
			A string `validate:"required" json:"EH"`
		}
		AnonymousB struct {
			B string `validate:"required" json:"BEE"`
		}
		anonymousC struct {
			c string `validate:"required"`
		}
	}

	tst := &Test{
		Anonymous: struct {
			A string `validate:"required" json:"EH"`
		}{
			A: "1",
		},
		AnonymousB: struct {
			B string `validate:"required" json:"BEE"`
		}{
			B: "",
		},
		anonymousC: struct {
			c string `validate:"required"`
		}{
			c: "",
		},
	}

	Equal(t, tst.anonymousC.c, "")

	err := validate.Struct(tst)
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)

	Equal(t, len(errs), 1)
	AssertError(t, errs, "Test.AnonymousB.BEE", "Test.AnonymousB.B", "BEE", "B", "required")

	fe := getError(errs, "Test.AnonymousB.BEE", "Test.AnonymousB.B")
	NotEqual(t, fe, nil)
	Equal(t, fe.Field(), "BEE")
	Equal(t, fe.StructField(), "B")

	s := struct {
		c string `validate:"required"`
	}{
		c: "",
	}

	err = validate.Struct(s)
	Equal(t, err, nil)
}

func TestAnonymousSameStructDifferentTags(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type Test struct {
		A interface{}
	}

	tst := &Test{
		A: struct {
			A string `validate:"required"`
		}{
			A: "",
		},
	}

	err := validate.Struct(tst)
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)

	Equal(t, len(errs), 1)
	AssertError(t, errs, "Test.A.A", "Test.A.A", "A", "A", "required")

	tst = &Test{
		A: struct {
			A string `validate:"omitempty,required"`
		}{
			A: "",
		},
	}

	err = validate.Struct(tst)
	Equal(t, err, nil)
}

func TestStructLevelReturnValidationErrors(t *testing.T) {
	validate := New()
	validate.RegisterStructValidation(StructValidationTestStructReturnValidationErrors, TestStructReturnValidationErrors{})

	inner2 := &TestStructReturnValidationErrorsInner2{
		String: "I'm HERE",
	}

	inner1 := &TestStructReturnValidationErrorsInner1{
		Inner2: inner2,
	}

	val := &TestStructReturnValidationErrors{
		Inner1: inner1,
	}

	errs := validate.Struct(val)
	Equal(t, errs, nil)

	inner2.String = ""

	errs = validate.Struct(val)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 2)
	AssertError(t, errs, "TestStructReturnValidationErrors.Inner1.Inner2.String", "TestStructReturnValidationErrors.Inner1.Inner2.String", "String", "String", "required")
	// this is an extra error reported from struct validation
	AssertError(t, errs, "TestStructReturnValidationErrors.Inner1.TestStructReturnValidationErrorsInner2.String", "TestStructReturnValidationErrors.Inner1.TestStructReturnValidationErrorsInner2.String", "String", "String", "required")
}

func TestStructLevelReturnValidationErrorsWithJSON(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})
	validate.RegisterStructValidation(StructValidationTestStructReturnValidationErrors2, TestStructReturnValidationErrors{})

	inner2 := &TestStructReturnValidationErrorsInner2{
		String: "I'm HERE",
	}

	inner1 := &TestStructReturnValidationErrorsInner1{
		Inner2: inner2,
	}

	val := &TestStructReturnValidationErrors{
		Inner1: inner1,
	}

	errs := validate.Struct(val)
	Equal(t, errs, nil)

	inner2.String = ""

	errs = validate.Struct(val)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 2)
	AssertError(t, errs, "TestStructReturnValidationErrors.Inner1JSON.Inner2.JSONString", "TestStructReturnValidationErrors.Inner1.Inner2.String", "JSONString", "String", "required")
	// this is an extra error reported from struct validation, it's a badly formatted one, but on purpose
	AssertError(t, errs, "TestStructReturnValidationErrors.Inner1JSON.TestStructReturnValidationErrorsInner2.JSONString", "TestStructReturnValidationErrors.Inner1.TestStructReturnValidationErrorsInner2.String", "JSONString", "String", "required")

	fe := getError(errs, "TestStructReturnValidationErrors.Inner1JSON.Inner2.JSONString", "TestStructReturnValidationErrors.Inner1.Inner2.String")
	NotEqual(t, fe, nil)

	// check for proper JSON namespace
	Equal(t, fe.Field(), "JSONString")
	Equal(t, fe.StructField(), "String")
	Equal(t, fe.Namespace(), "TestStructReturnValidationErrors.Inner1JSON.Inner2.JSONString")
	Equal(t, fe.StructNamespace(), "TestStructReturnValidationErrors.Inner1.Inner2.String")

	fe = getError(errs, "TestStructReturnValidationErrors.Inner1JSON.TestStructReturnValidationErrorsInner2.JSONString", "TestStructReturnValidationErrors.Inner1.TestStructReturnValidationErrorsInner2.String")
	NotEqual(t, fe, nil)

	// check for proper JSON namespace
	Equal(t, fe.Field(), "JSONString")
	Equal(t, fe.StructField(), "String")
	Equal(t, fe.Namespace(), "TestStructReturnValidationErrors.Inner1JSON.TestStructReturnValidationErrorsInner2.JSONString")
	Equal(t, fe.StructNamespace(), "TestStructReturnValidationErrors.Inner1.TestStructReturnValidationErrorsInner2.String")
}

func TestStructLevelValidations(t *testing.T) {
	v1 := New()
	v1.RegisterStructValidation(StructValidationTestStruct, TestStruct{})

	tst := &TestStruct{
		String: "good value",
	}

	errs := v1.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestStruct.StringVal", "TestStruct.String", "StringVal", "String", "badvalueteststruct")

	v2 := New()
	v2.RegisterStructValidation(StructValidationNoTestStructCustomName, TestStruct{})

	errs = v2.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestStruct.String", "TestStruct.String", "String", "String", "badvalueteststruct")

	v3 := New()
	v3.RegisterStructValidation(StructValidationTestStructInvalid, TestStruct{})

	errs = v3.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestStruct.StringVal", "TestStruct.String", "StringVal", "String", "badvalueteststruct")

	v4 := New()
	v4.RegisterStructValidation(StructValidationTestStructSuccess, TestStruct{})

	errs = v4.Struct(tst)
	Equal(t, errs, nil)
}

func TestRegisterStructValidationMapRules(t *testing.T) {
	type MapRulesTestStruct struct {
		Name string `validate:"required"`
		Age  int
	}

	rules := map[string]string{
		"Name": "omitempty",
		"Age":  "required,gt=0",
	}

	validate := New()
	validate.RegisterStructValidationMapRules(rules, MapRulesTestStruct{})

	// Name's own "required" tag is superseded by the "omitempty" rule, so an
	// empty Name is now allowed, while Age's rule is enforced.
	errs := validate.Struct(MapRulesTestStruct{Name: "", Age: 5})
	Equal(t, errs, nil)

	errs = validate.Struct(MapRulesTestStruct{Name: "", Age: 0})
	NotEqual(t, errs, nil)
	AssertError(t, errs, "MapRulesTestStruct.Age", "MapRulesTestStruct.Age", "Age", "Age", "required")

	errs = validate.Struct(MapRulesTestStruct{Name: "gopher", Age: 5})
	Equal(t, errs, nil)

	// mutating the map passed to RegisterStructValidationMapRules after
	// registration must not affect already-registered rules (deep copy).
	rules["Name"] = "required"
	errs = validate.Struct(MapRulesTestStruct{Name: "", Age: 5})
	Equal(t, errs, nil)

	// a struct with no registered rules falls back to its own tags.
	type NoRulesTestStruct struct {
		Name string `validate:"required"`
	}
	errs = validate.Struct(NoRulesTestStruct{Name: ""})
	NotEqual(t, errs, nil)
	AssertError(t, errs, "NoRulesTestStruct.Name", "NoRulesTestStruct.Name", "Name", "Name", "required")

	// registering against a pointer type applies the same as the value type.
	v2 := New()
	v2.RegisterStructValidationMapRules(rules, &MapRulesTestStruct{})
	errs = v2.Struct(&MapRulesTestStruct{Name: "", Age: 5})
	NotEqual(t, errs, nil)
	AssertError(t, errs, "MapRulesTestStruct.Name", "MapRulesTestStruct.Name", "Name", "Name", "required")

	// non-struct types are silently ignored rather than panicking.
	v3 := New()
	v3.RegisterStructValidationMapRules(map[string]string{"Foo": "required"}, 5)
	errs = v3.Struct(MapRulesTestStruct{Name: "gopher", Age: 5})
	Equal(t, errs, nil)
}

func TestAliasTags(t *testing.T) {
	validate := New()
	validate.RegisterAlias("iscoloralias", "hexcolor|rgb|rgba|hsl|hsla|cmyk")

	s := "rgb(255,255,255)"
	errs := validate.Var(s, "iscoloralias")
	Equal(t, errs, nil)

	s = ""
	errs = validate.Var(s, "omitempty,iscoloralias")
	Equal(t, errs, nil)

	s = "rgb(255,255,0)"
	errs = validate.Var(s, "iscoloralias,len=5")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "len")

	type Test struct {
		Color string `validate:"iscoloralias"`
	}

	tst := &Test{
		Color: "#000",
	}

	errs = validate.Struct(tst)
	Equal(t, errs, nil)

	tst.Color = "cfvre"
	errs = validate.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Color", "Test.Color", "Color", "Color", "iscoloralias")

	fe := getError(errs, "Test.Color", "Test.Color")
	NotEqual(t, fe, nil)
	Equal(t, fe.ActualTag(), "hexcolor|rgb|rgba|hsl|hsla|cmyk")

	validate.RegisterAlias("req", "required,dive,iscoloralias")
	arr := []string{"val1", "#fff", "#000"}

	errs = validate.Var(arr, "req")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "[0]", "[0]", "[0]", "[0]", "iscoloralias")

	PanicMatches(t, func() { validate.RegisterAlias("exists!", "gt=5,lt=10") }, "Alias 'exists!' either contains restricted characters or is the same as a restricted tag needed for normal operation")
}

func TestAliasWithOrOperator(t *testing.T) {
	validate := New()
	validate.RegisterAlias("customnum", "numeric")
	validate.RegisterAlias("customalpha", "alpha")
	validate.RegisterAlias("customgt5", "gt=5")

	t.Run("numeric|iscolor", func(t *testing.T) {
		type S struct {
			F string `validate:"numeric|iscolor"`
		}
		Equal(t, validate.Struct(S{"#fff"}), nil)
		Equal(t, validate.Struct(S{"123"}), nil)
		NotEqual(t, validate.Struct(S{"invalid!"}), nil)
	})

	t.Run("iscolor|numeric", func(t *testing.T) {
		type S struct {
			F string `validate:"iscolor|numeric"`
		}
		Equal(t, validate.Struct(S{"456"}), nil)
		Equal(t, validate.Struct(S{"rgb(255,0,0)"}), nil)
	})

	t.Run("alpha|customnum", func(t *testing.T) {
		type S struct {
			F string `validate:"alpha|customnum"`
		}
		Equal(t, validate.Struct(S{"789"}), nil)
		Equal(t, validate.Struct(S{"abc"}), nil)
	})

	t.Run("customnum|customalpha", func(t *testing.T) {
		type S struct {
			F string `validate:"customnum|customalpha"`
		}
		Equal(t, validate.Struct(S{"xyz"}), nil)
	})

	t.Run("alpha|customnum|email", func(t *testing.T) {
		type S struct {
			F string `validate:"alpha|customnum|email"`
		}
		Equal(t, validate.Struct(S{"test@example.com"}), nil)
	})

	t.Run("eq=0|customgt5", func(t *testing.T) {
		type S struct {
			F int `validate:"eq=0|customgt5"`
		}
		Equal(t, validate.Struct(S{0}), nil)
		Equal(t, validate.Struct(S{10}), nil)
		NotEqual(t, validate.Struct(S{3}), nil)
	})

	t.Run("numeric|country_code", func(t *testing.T) {
		type S struct {
			F string `validate:"numeric|country_code"`
		}
		Equal(t, validate.Struct(S{"US"}), nil)
	})
}

func TestNilValidator(t *testing.T) {
	type TestStruct struct {
		Test string `validate:"required"`
	}

	ts := TestStruct{}

	var val *Validate

	fn := func(fl FieldLevel) bool {
		return fl.Parent().String() == fl.Field().String()
	}

	PanicMatches(t, func() { val.RegisterCustomTypeFunc(ValidateCustomType, MadeUpCustomType{}) }, "runtime error: invalid memory address or nil pointer dereference")
	PanicMatches(t, func() { _ = val.RegisterValidation("something", fn) }, "runtime error: invalid memory address or nil pointer dereference")
	PanicMatches(t, func() { _ = val.Var(ts.Test, "required") }, "runtime error: invalid memory address or nil pointer dereference")
	PanicMatches(t, func() { _ = val.VarWithValue("test", ts.Test, "required") }, "runtime error: invalid memory address or nil pointer dereference")
	PanicMatches(t, func() { _ = val.Struct(ts) }, "runtime error: invalid memory address or nil pointer dereference")
	PanicMatches(t, func() { _ = val.StructExcept(ts, "Test") }, "runtime error: invalid memory address or nil pointer dereference")
	PanicMatches(t, func() { _ = val.StructPartial(ts, "Test") }, "runtime error: invalid memory address or nil pointer dereference")
}

func TestStructPartial(t *testing.T) {
	p1 := []string{
		"NoTag",
		"Required",
	}

	p2 := []string{
		"SubSlice[0].Test",
		"Sub",
		"SubIgnore",
		"Anonymous.A",
	}

	p3 := []string{
		"SubTest.Test",
	}

	p4 := []string{
		"A",
	}

	tPartial := &TestPartial{
		NoTag:    "NoTag",
		Required: "Required",

		SubSlice: []*SubTest{
			{
				Test: "Required",
			},
			{
				Test: "Required",
			},
		},

		Sub: &SubTest{
			Test: "1",
		},
		SubIgnore: &SubTest{
			Test: "",
		},
		Anonymous: struct {
			A             string     `validate:"required"`
			ASubSlice     []*SubTest `validate:"required,dive"`
			SubAnonStruct []struct {
				Test      string `validate:"required"`
				OtherTest string `validate:"required"`
			} `validate:"required,dive"`
		}{
			A: "1",
			ASubSlice: []*SubTest{
				{
					Test: "Required",
				},
				{
					Test: "Required",
				},
			},

			SubAnonStruct: []struct {
				Test      string `validate:"required"`
				OtherTest string `validate:"required"`
			}{
				{"Required", "RequiredOther"},
				{"Required", "RequiredOther"},
			},
		},
	}

	validate := New()

	// the following should all return no errors as everything is valid in
	// the default state
	errs := validate.StructPartialCtx(context.Background(), tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructPartial(tPartial, p2...)
	Equal(t, errs, nil)

	// this isn't really a robust test, but is meant to illustrate the ANON CASE below
	errs = validate.StructPartial(tPartial.SubSlice[0], p3...)
	Equal(t, errs, nil)

	errs = validate.StructExceptCtx(context.Background(), tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructExcept(tPartial, p2...)
	Equal(t, errs, nil)

	// mod tPartial for required field and re-test making sure invalid fields are NOT required:
	tPartial.Required = ""

	errs = validate.StructExcept(tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructPartial(tPartial, p2...)
	Equal(t, errs, nil)

	// inversion and retesting Partial to generate failures:
	errs = validate.StructPartial(tPartial, p1...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Required", "TestPartial.Required", "Required", "Required", "required")

	errs = validate.StructExcept(tPartial, p2...)
	AssertError(t, errs, "TestPartial.Required", "TestPartial.Required", "Required", "Required", "required")

	// reset Required field, and set nested struct
	tPartial.Required = "Required"
	tPartial.Anonymous.A = ""

	// will pass as unset fields is not going to be tested
	errs = validate.StructPartial(tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructExcept(tPartial, p2...)
	Equal(t, errs, nil)

	// ANON CASE the response here is strange, it clearly does what it is being told to
	errs = validate.StructExcept(tPartial.Anonymous, p4...)
	Equal(t, errs, nil)

	// will fail as unset field is tested
	errs = validate.StructPartial(tPartial, p2...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Anonymous.A", "TestPartial.Anonymous.A", "A", "A", "required")

	errs = validate.StructExcept(tPartial, p1...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Anonymous.A", "TestPartial.Anonymous.A", "A", "A", "required")

	// reset nested struct and unset struct in slice
	tPartial.Anonymous.A = "Required"
	tPartial.SubSlice[0].Test = ""

	// these will pass as unset item is NOT tested
	errs = validate.StructPartial(tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructExcept(tPartial, p2...)
	Equal(t, errs, nil)

	// these will fail as unset item IS tested
	errs = validate.StructExcept(tPartial, p1...)
	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "TestPartial.SubSlice[0].Test", "Test", "Test", "required")
	Equal(t, len(errs.(ValidationErrors)), 1)

	errs = validate.StructPartial(tPartial, p2...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "TestPartial.SubSlice[0].Test", "Test", "Test", "required")
	Equal(t, len(errs.(ValidationErrors)), 1)

	// Unset second slice member concurrently to test dive behavior:
	tPartial.SubSlice[1].Test = ""

	errs = validate.StructPartial(tPartial, p1...)
	Equal(t, errs, nil)

	// NOTE: When specifying nested items, it is still the users responsibility
	// to specify the dive tag, the library does not override this.
	errs = validate.StructExcept(tPartial, p2...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "TestPartial.SubSlice[1].Test", "Test", "Test", "required")

	errs = validate.StructExcept(tPartial, p1...)
	Equal(t, len(errs.(ValidationErrors)), 2)
	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "TestPartial.SubSlice[0].Test", "Test", "Test", "required")
	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "TestPartial.SubSlice[1].Test", "Test", "Test", "required")

	errs = validate.StructPartial(tPartial, p2...)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "TestPartial.SubSlice[0].Test", "Test", "Test", "required")

	// reset struct in slice, and unset struct in slice in unset position
	tPartial.SubSlice[0].Test = "Required"

	// these will pass as the unset item is NOT tested
	errs = validate.StructPartial(tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructPartial(tPartial, p2...)
	Equal(t, errs, nil)

	// testing for missing item by exception, yes it dives and fails
	errs = validate.StructExcept(tPartial, p1...)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "TestPartial.SubSlice[1].Test", "Test", "Test", "required")

	errs = validate.StructExcept(tPartial, p2...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "TestPartial.SubSlice[1].Test", "Test", "Test", "required")

	tPartial.SubSlice[1].Test = "Required"

	tPartial.Anonymous.SubAnonStruct[0].Test = ""
	// these will pass as the unset item is NOT tested
	errs = validate.StructPartial(tPartial, p1...)
	Equal(t, errs, nil)

	errs = validate.StructPartial(tPartial, p2...)
	Equal(t, errs, nil)

	errs = validate.StructExcept(tPartial, p1...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Anonymous.SubAnonStruct[0].Test", "TestPartial.Anonymous.SubAnonStruct[0].Test", "Test", "Test", "required")

	errs = validate.StructExcept(tPartial, p2...)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Anonymous.SubAnonStruct[0].Test", "TestPartial.Anonymous.SubAnonStruct[0].Test", "Test", "Test", "required")

	// Test for unnamed struct
	testStruct := &TestStruct{
		String: "test",
	}
	unnamedStruct := struct {
		String string `validate:"required" json:"StringVal"`
	}{String: "test"}
	composedUnnamedStruct := struct{ *TestStruct }{&TestStruct{String: "test"}}

	errs = validate.StructPartial(testStruct, "String")
	Equal(t, errs, nil)

	errs = validate.StructPartial(unnamedStruct, "String")
	Equal(t, errs, nil)

	errs = validate.StructPartial(composedUnnamedStruct, "TestStruct.String")
	Equal(t, errs, nil)

	testStruct.String = ""
	errs = validate.StructPartial(testStruct, "String")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestStruct.String", "TestStruct.String", "String", "String", "required")

	unnamedStruct.String = ""
	errs = validate.StructPartial(unnamedStruct, "String")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "String", "String", "String", "String", "required")

	composedUnnamedStruct.String = ""
	errs = validate.StructPartial(composedUnnamedStruct, "TestStruct.String")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestStruct.String", "TestStruct.String", "String", "String", "required")
}

func TestCrossStructLteFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	type Inner struct {
		CreatedAt *time.Time
		String    string
		Int       int
		Uint      uint
		Float     float64
		Array     []string
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"ltecsfield=Inner.CreatedAt"`
		String    string     `validate:"ltecsfield=Inner.String"`
		Int       int        `validate:"ltecsfield=Inner.Int"`
		Uint      uint       `validate:"ltecsfield=Inner.Uint"`
		Float     float64    `validate:"ltecsfield=Inner.Float"`
		Array     []string   `validate:"ltecsfield=Inner.Array"`
	}

	now := time.Now().UTC()
	then := now.Add(time.Hour * 5)

	inner := &Inner{
		CreatedAt: &then,
		String:    "abcd",
		Int:       13,
		Uint:      13,
		Float:     1.13,
		Array:     []string{"val1", "val2"},
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
		String:    "abc",
		Int:       12,
		Uint:      12,
		Float:     1.12,
		Array:     []string{"val1"},
	}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	test.CreatedAt = &then
	test.String = "abcd"
	test.Int = 13
	test.Uint = 13
	test.Float = 1.13
	test.Array = []string{"val1", "val2"}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	after := now.Add(time.Hour * 10)

	test.CreatedAt = &after
	test.String = "abce"
	test.Int = 14
	test.Uint = 14
	test.Float = 1.14
	test.Array = []string{"val1", "val2", "val3"}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "ltecsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "ltecsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "ltecsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "ltecsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "ltecsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "ltecsfield")

	errs = validate.VarWithValueCtx(context.Background(), 1, "", "ltecsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltecsfield")

	// this test is for the WARNING about unforeseen validation issues.
	errs = validate.VarWithValue(test, now, "ltecsfield")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 6)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "ltecsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "ltecsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "ltecsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "ltecsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "ltecsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "ltecsfield")

	type Other struct {
		Value string
	}

	type Test2 struct {
		Value Other
		Time  time.Time `validate:"ltecsfield=Value"`
	}

	tst := Test2{
		Value: Other{Value: "StringVal"},
		Time:  then,
	}

	errs = validate.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test2.Time", "Test2.Time", "Time", "Time", "ltecsfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "ltecsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "ltecsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "ltecsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltecsfield")

	errs = validate.VarWithValue(time.Duration(0), -time.Minute, "omitempty,ltecsfield")
	Equal(t, errs, nil)

	// -- Validations for a struct and an inner struct with time.Duration type fields.

	type TimeDurationInner struct {
		Duration time.Duration
	}
	var timeDurationInner *TimeDurationInner

	type TimeDurationTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"ltecsfield=Inner.Duration"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationInner = &TimeDurationInner{time.Hour + time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour - time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "ltecsfield")

	type TimeDurationOmitemptyTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"omitempty,ltecsfield=Inner.Duration"`
	}
	var timeDurationOmitemptyTest *TimeDurationOmitemptyTest

	timeDurationInner = &TimeDurationInner{-time.Minute}
	timeDurationOmitemptyTest = &TimeDurationOmitemptyTest{timeDurationInner, time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestCrossStructLtFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	type Inner struct {
		CreatedAt *time.Time
		String    string
		Int       int
		Uint      uint
		Float     float64
		Array     []string
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"ltcsfield=Inner.CreatedAt"`
		String    string     `validate:"ltcsfield=Inner.String"`
		Int       int        `validate:"ltcsfield=Inner.Int"`
		Uint      uint       `validate:"ltcsfield=Inner.Uint"`
		Float     float64    `validate:"ltcsfield=Inner.Float"`
		Array     []string   `validate:"ltcsfield=Inner.Array"`
	}

	now := time.Now().UTC()
	then := now.Add(time.Hour * 5)

	inner := &Inner{
		CreatedAt: &then,
		String:    "abcd",
		Int:       13,
		Uint:      13,
		Float:     1.13,
		Array:     []string{"val1", "val2"},
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
		String:    "abc",
		Int:       12,
		Uint:      12,
		Float:     1.12,
		Array:     []string{"val1"},
	}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	test.CreatedAt = &then
	test.String = "abcd"
	test.Int = 13
	test.Uint = 13
	test.Float = 1.13
	test.Array = []string{"val1", "val2"}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "ltcsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "ltcsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "ltcsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "ltcsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "ltcsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "ltcsfield")

	errs = validate.VarWithValue(1, "", "ltcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltcsfield")

	// this test is for the WARNING about unforeseen validation issues.
	errs = validate.VarWithValue(test, now, "ltcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "ltcsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "ltcsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "ltcsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "ltcsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "ltcsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "ltcsfield")

	type Other struct {
		Value string
	}

	type Test2 struct {
		Value Other
		Time  time.Time `validate:"ltcsfield=Value"`
	}

	tst := Test2{
		Value: Other{Value: "StringVal"},
		Time:  then,
	}

	errs = validate.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test2.Time", "Test2.Time", "Time", "Time", "ltcsfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "ltcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "ltcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltcsfield")

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "ltcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltcsfield")

	errs = validate.VarWithValue(time.Duration(0), -time.Minute, "omitempty,ltcsfield")
	Equal(t, errs, nil)

	// -- Validations for a struct and an inner struct with time.Duration type fields.

	type TimeDurationInner struct {
		Duration time.Duration
	}
	var timeDurationInner *TimeDurationInner

	type TimeDurationTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"ltcsfield=Inner.Duration"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationInner = &TimeDurationInner{time.Hour + time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "ltcsfield")

	timeDurationInner = &TimeDurationInner{time.Hour - time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "ltcsfield")

	type TimeDurationOmitemptyTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"omitempty,ltcsfield=Inner.Duration"`
	}
	var timeDurationOmitemptyTest *TimeDurationOmitemptyTest

	timeDurationInner = &TimeDurationInner{-time.Minute}
	timeDurationOmitemptyTest = &TimeDurationOmitemptyTest{timeDurationInner, time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestCrossStructGteFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	type Inner struct {
		CreatedAt *time.Time
		String    string
		Int       int
		Uint      uint
		Float     float64
		Array     []string
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"gtecsfield=Inner.CreatedAt"`
		String    string     `validate:"gtecsfield=Inner.String"`
		Int       int        `validate:"gtecsfield=Inner.Int"`
		Uint      uint       `validate:"gtecsfield=Inner.Uint"`
		Float     float64    `validate:"gtecsfield=Inner.Float"`
		Array     []string   `validate:"gtecsfield=Inner.Array"`
	}

	now := time.Now().UTC()
	then := now.Add(time.Hour * -5)

	inner := &Inner{
		CreatedAt: &then,
		String:    "abcd",
		Int:       13,
		Uint:      13,
		Float:     1.13,
		Array:     []string{"val1", "val2"},
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
		String:    "abcde",
		Int:       14,
		Uint:      14,
		Float:     1.14,
		Array:     []string{"val1", "val2", "val3"},
	}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	test.CreatedAt = &then
	test.String = "abcd"
	test.Int = 13
	test.Uint = 13
	test.Float = 1.13
	test.Array = []string{"val1", "val2"}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	before := now.Add(time.Hour * -10)

	test.CreatedAt = &before
	test.String = "abc"
	test.Int = 12
	test.Uint = 12
	test.Float = 1.12
	test.Array = []string{"val1"}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "gtecsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "gtecsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "gtecsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "gtecsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "gtecsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "gtecsfield")

	errs = validate.VarWithValue(1, "", "gtecsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtecsfield")

	// this test is for the WARNING about unforeseen validation issues.
	errs = validate.VarWithValue(test, now, "gtecsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "gtecsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "gtecsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "gtecsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "gtecsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "gtecsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "gtecsfield")

	type Other struct {
		Value string
	}

	type Test2 struct {
		Value Other
		Time  time.Time `validate:"gtecsfield=Value"`
	}

	tst := Test2{
		Value: Other{Value: "StringVal"},
		Time:  then,
	}

	errs = validate.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test2.Time", "Test2.Time", "Time", "Time", "gtecsfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "gtecsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "gtecsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "gtecsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtecsfield")

	errs = validate.VarWithValue(time.Duration(0), time.Hour, "omitempty,gtecsfield")
	Equal(t, errs, nil)

	// -- Validations for a struct and an inner struct with time.Duration type fields.

	type TimeDurationInner struct {
		Duration time.Duration
	}
	var timeDurationInner *TimeDurationInner

	type TimeDurationTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"gtecsfield=Inner.Duration"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationInner = &TimeDurationInner{time.Hour - time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour + time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "gtecsfield")

	type TimeDurationOmitemptyTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"omitempty,gtecsfield=Inner.Duration"`
	}
	var timeDurationOmitemptyTest *TimeDurationOmitemptyTest

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationOmitemptyTest = &TimeDurationOmitemptyTest{timeDurationInner, time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestCrossStructGtFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	type Inner struct {
		CreatedAt *time.Time
		String    string
		Int       int
		Uint      uint
		Float     float64
		Array     []string
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"gtcsfield=Inner.CreatedAt"`
		String    string     `validate:"gtcsfield=Inner.String"`
		Int       int        `validate:"gtcsfield=Inner.Int"`
		Uint      uint       `validate:"gtcsfield=Inner.Uint"`
		Float     float64    `validate:"gtcsfield=Inner.Float"`
		Array     []string   `validate:"gtcsfield=Inner.Array"`
	}

	now := time.Now().UTC()
	then := now.Add(time.Hour * -5)

	inner := &Inner{
		CreatedAt: &then,
		String:    "abcd",
		Int:       13,
		Uint:      13,
		Float:     1.13,
		Array:     []string{"val1", "val2"},
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
		String:    "abcde",
		Int:       14,
		Uint:      14,
		Float:     1.14,
		Array:     []string{"val1", "val2", "val3"},
	}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	test.CreatedAt = &then
	test.String = "abcd"
	test.Int = 13
	test.Uint = 13
	test.Float = 1.13
	test.Array = []string{"val1", "val2"}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "gtcsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "gtcsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "gtcsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "gtcsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "gtcsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "gtcsfield")

	errs = validate.VarWithValue(1, "", "gtcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtcsfield")

	// this test is for the WARNING about unforeseen validation issues.
	errs = validate.VarWithValue(test, now, "gtcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "gtcsfield")
	AssertError(t, errs, "Test.String", "Test.String", "String", "String", "gtcsfield")
	AssertError(t, errs, "Test.Int", "Test.Int", "Int", "Int", "gtcsfield")
	AssertError(t, errs, "Test.Uint", "Test.Uint", "Uint", "Uint", "gtcsfield")
	AssertError(t, errs, "Test.Float", "Test.Float", "Float", "Float", "gtcsfield")
	AssertError(t, errs, "Test.Array", "Test.Array", "Array", "Array", "gtcsfield")

	type Other struct {
		Value string
	}

	type Test2 struct {
		Value Other
		Time  time.Time `validate:"gtcsfield=Value"`
	}

	tst := Test2{
		Value: Other{Value: "StringVal"},
		Time:  then,
	}

	errs = validate.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test2.Time", "Test2.Time", "Time", "Time", "gtcsfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "gtcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "gtcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtcsfield")

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "gtcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtcsfield")

	errs = validate.VarWithValue(time.Duration(0), time.Hour, "omitempty,gtcsfield")
	Equal(t, errs, nil)

	// -- Validations for a struct and an inner struct with time.Duration type fields.

	type TimeDurationInner struct {
		Duration time.Duration
	}
	var timeDurationInner *TimeDurationInner

	type TimeDurationTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"gtcsfield=Inner.Duration"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationInner = &TimeDurationInner{time.Hour - time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "gtcsfield")

	timeDurationInner = &TimeDurationInner{time.Hour + time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "gtcsfield")

	type TimeDurationOmitemptyTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"omitempty,gtcsfield=Inner.Duration"`
	}
	var timeDurationOmitemptyTest *TimeDurationOmitemptyTest

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationOmitemptyTest = &TimeDurationOmitemptyTest{timeDurationInner, time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestCrossStructNeFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	type Inner struct {
		CreatedAt *time.Time
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"necsfield=Inner.CreatedAt"`
	}

	now := time.Now().UTC()
	then := now.Add(time.Hour * 5)

	inner := &Inner{
		CreatedAt: &then,
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
	}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	test.CreatedAt = &then

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "necsfield")

	var j uint64
	var k float64
	var j2 uint64
	var k2 float64
	s := "abcd"
	i := 1
	j = 1
	k = 1.543
	b := true
	arr := []string{"test"}

	s2 := "abcd"
	i2 := 1
	j2 = 1
	k2 = 1.543
	b2 := true
	arr2 := []string{"test"}
	arr3 := []string{"test", "test2"}
	now2 := now

	errs = validate.VarWithValue(s, s2, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(i2, i, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(j2, j, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(k2, k, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(b2, b, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(arr2, arr, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(now2, now, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(arr3, arr, "necsfield")
	Equal(t, errs, nil)

	type SInner struct {
		Name string
	}

	type TStruct struct {
		Inner     *SInner
		CreatedAt *time.Time `validate:"necsfield=Inner"`
	}

	sinner := &SInner{
		Name: "NAME",
	}

	test2 := &TStruct{
		Inner:     sinner,
		CreatedAt: &now,
	}

	errs = validate.Struct(test2)
	Equal(t, errs, nil)

	test2.Inner = nil
	errs = validate.Struct(test2)
	Equal(t, errs, nil)

	errs = validate.VarWithValue(nil, 1, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "necsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "necsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "necsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "necsfield")

	errs = validate.VarWithValue(time.Duration(0), time.Duration(0), "omitempty,necsfield")
	Equal(t, errs, nil)

	// -- Validations for a struct and an inner struct with time.Duration type fields.

	type TimeDurationInner struct {
		Duration time.Duration
	}
	var timeDurationInner *TimeDurationInner

	type TimeDurationTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"necsfield=Inner.Duration"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationInner = &TimeDurationInner{time.Hour - time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour + time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "necsfield")

	type TimeDurationOmitemptyTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"omitempty,necsfield=Inner.Duration"`
	}
	var timeDurationOmitemptyTest *TimeDurationOmitemptyTest

	timeDurationInner = &TimeDurationInner{time.Duration(0)}
	timeDurationOmitemptyTest = &TimeDurationOmitemptyTest{timeDurationInner, time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestCrossStructEqFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	type Inner struct {
		CreatedAt *time.Time
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"eqcsfield=Inner.CreatedAt"`
	}

	now := time.Now().UTC()

	inner := &Inner{
		CreatedAt: &now,
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
	}

	errs = validate.Struct(test)
	Equal(t, errs, nil)

	newTime := time.Now().Add(time.Hour).UTC()
	test.CreatedAt = &newTime

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.CreatedAt", "Test.CreatedAt", "CreatedAt", "CreatedAt", "eqcsfield")

	var j uint64
	var k float64
	s := "abcd"
	i := 1
	j = 1
	k = 1.543
	b := true
	arr := []string{"test"}

	var j2 uint64
	var k2 float64
	s2 := "abcd"
	i2 := 1
	j2 = 1
	k2 = 1.543
	b2 := true
	arr2 := []string{"test"}
	arr3 := []string{"test", "test2"}
	now2 := now

	errs = validate.VarWithValue(s, s2, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(i2, i, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(j2, j, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(k2, k, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(b2, b, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(arr2, arr, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(now2, now, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(arr3, arr, "eqcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqcsfield")

	type SInner struct {
		Name string
	}

	type TStruct struct {
		Inner     *SInner
		CreatedAt *time.Time `validate:"eqcsfield=Inner"`
	}

	sinner := &SInner{
		Name: "NAME",
	}

	test2 := &TStruct{
		Inner:     sinner,
		CreatedAt: &now,
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TStruct.CreatedAt", "TStruct.CreatedAt", "CreatedAt", "CreatedAt", "eqcsfield")

	test2.Inner = nil
	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TStruct.CreatedAt", "TStruct.CreatedAt", "CreatedAt", "CreatedAt", "eqcsfield")

	errs = validate.VarWithValue(nil, 1, "eqcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqcsfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour, "eqcsfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "eqcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqcsfield")

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "eqcsfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqcsfield")

	errs = validate.VarWithValue(time.Duration(0), time.Hour, "omitempty,eqcsfield")
	Equal(t, errs, nil)

	// -- Validations for a struct and an inner struct with time.Duration type fields.

	type TimeDurationInner struct {
		Duration time.Duration
	}
	var timeDurationInner *TimeDurationInner

	type TimeDurationTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"eqcsfield=Inner.Duration"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationInner = &TimeDurationInner{time.Hour - time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "eqcsfield")

	timeDurationInner = &TimeDurationInner{time.Hour + time.Minute}
	timeDurationTest = &TimeDurationTest{timeDurationInner, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "eqcsfield")

	type TimeDurationOmitemptyTest struct {
		Inner    *TimeDurationInner
		Duration time.Duration `validate:"omitempty,eqcsfield=Inner.Duration"`
	}
	var timeDurationOmitemptyTest *TimeDurationOmitemptyTest

	timeDurationInner = &TimeDurationInner{time.Hour}
	timeDurationOmitemptyTest = &TimeDurationOmitemptyTest{timeDurationInner, time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestCrossNamespaceFieldValidation(t *testing.T) {
	type SliceStruct struct {
		Name string
	}

	type Inner struct {
		CreatedAt        *time.Time
		Slice            []string
		SliceStructs     []*SliceStruct
		SliceSlice       [][]string
		SliceSliceStruct [][]*SliceStruct
		SliceMap         []map[string]string
		Map              map[string]string
		MapMap           map[string]map[string]string
		MapStructs       map[string]*SliceStruct
		MapMapStruct     map[string]map[string]*SliceStruct
		MapSlice         map[string][]string
		MapInt           map[int]string
		MapInt8          map[int8]string
		MapInt16         map[int16]string
		MapInt32         map[int32]string
		MapInt64         map[int64]string
		MapUint          map[uint]string
		MapUint8         map[uint8]string
		MapUint16        map[uint16]string
		MapUint32        map[uint32]string
		MapUint64        map[uint64]string
		MapFloat32       map[float32]string
		MapFloat64       map[float64]string
		MapBool          map[bool]string
	}

	type Test struct {
		Inner     *Inner
		CreatedAt *time.Time
	}

	now := time.Now()

	inner := &Inner{
		CreatedAt:        &now,
		Slice:            []string{"val1", "val2", "val3"},
		SliceStructs:     []*SliceStruct{{Name: "name1"}, {Name: "name2"}, {Name: "name3"}},
		SliceSlice:       [][]string{{"1", "2", "3"}, {"4", "5", "6"}, {"7", "8", "9"}},
		SliceSliceStruct: [][]*SliceStruct{{{Name: "name1"}, {Name: "name2"}, {Name: "name3"}}, {{Name: "name4"}, {Name: "name5"}, {Name: "name6"}}, {{Name: "name7"}, {Name: "name8"}, {Name: "name9"}}},
		SliceMap:         []map[string]string{{"key1": "val1", "key2": "val2", "key3": "val3"}, {"key4": "val4", "key5": "val5", "key6": "val6"}},
		Map:              map[string]string{"key1": "val1", "key2": "val2", "key3": "val3"},
		MapStructs:       map[string]*SliceStruct{"key1": {Name: "name1"}, "key2": {Name: "name2"}, "key3": {Name: "name3"}},
		MapMap:           map[string]map[string]string{"key1": {"key1-1": "val1"}, "key2": {"key2-1": "val2"}, "key3": {"key3-1": "val3"}},
		MapMapStruct:     map[string]map[string]*SliceStruct{"key1": {"key1-1": {Name: "name1"}}, "key2": {"key2-1": {Name: "name2"}}, "key3": {"key3-1": {Name: "name3"}}},
		MapSlice:         map[string][]string{"key1": {"1", "2", "3"}, "key2": {"4", "5", "6"}, "key3": {"7", "8", "9"}},
		MapInt:           map[int]string{1: "val1", 2: "val2", 3: "val3"},
		MapInt8:          map[int8]string{1: "val1", 2: "val2", 3: "val3"},
		MapInt16:         map[int16]string{1: "val1", 2: "val2", 3: "val3"},
		MapInt32:         map[int32]string{1: "val1", 2: "val2", 3: "val3"},
		MapInt64:         map[int64]string{1: "val1", 2: "val2", 3: "val3"},
		MapUint:          map[uint]string{1: "val1", 2: "val2", 3: "val3"},
		MapUint8:         map[uint8]string{1: "val1", 2: "val2", 3: "val3"},
		MapUint16:        map[uint16]string{1: "val1", 2: "val2", 3: "val3"},
		MapUint32:        map[uint32]string{1: "val1", 2: "val2", 3: "val3"},
		MapUint64:        map[uint64]string{1: "val1", 2: "val2", 3: "val3"},
		MapFloat32:       map[float32]string{1.01: "val1", 2.02: "val2", 3.03: "val3"},
		MapFloat64:       map[float64]string{1.01: "val1", 2.02: "val2", 3.03: "val3"},
		MapBool:          map[bool]string{true: "val1", false: "val2"},
	}

	test := &Test{
		Inner:     inner,
		CreatedAt: &now,
	}

	val := reflect.ValueOf(test)

	vd := New()
	v := &validate{
		v: vd,
	}

	current, kind, _, ok := v.getStructFieldOKInternal(val, "Inner.CreatedAt")
	Equal(t, ok, true)
	Equal(t, kind, reflect.Struct)
	tm, ok := current.Interface().(time.Time)
	Equal(t, ok, true)
	Equal(t, tm, now)

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.Slice[1]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	_, _, _, ok = v.getStructFieldOKInternal(val, "Inner.CrazyNonExistantField")
	Equal(t, ok, false)

	_, _, _, ok = v.getStructFieldOKInternal(val, "Inner.Slice[101]")
	Equal(t, ok, false)

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.Map[key3]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val3")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapMap[key2][key2-1]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapStructs[key2].Name")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "name2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapMapStruct[key3][key3-1].Name")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "name3")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceSlice[2][0]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "7")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceSliceStruct[2][1].Name")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "name8")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceMap[1][key5]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val5")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapSlice[key3][2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "9")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt8[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt16[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt32[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt64[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint8[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint16[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint32[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint64[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapFloat32[3.03]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val3")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapFloat64[2.02]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val2")

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapBool[true]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.String)
	Equal(t, current.String(), "val1")

	inner = &Inner{
		CreatedAt:        &now,
		Slice:            []string{"val1", "val2", "val3"},
		SliceStructs:     []*SliceStruct{{Name: "name1"}, {Name: "name2"}, nil},
		SliceSlice:       [][]string{{"1", "2", "3"}, {"4", "5", "6"}, {"7", "8", "9"}},
		SliceSliceStruct: [][]*SliceStruct{{{Name: "name1"}, {Name: "name2"}, {Name: "name3"}}, {{Name: "name4"}, {Name: "name5"}, {Name: "name6"}}, {{Name: "name7"}, {Name: "name8"}, {Name: "name9"}}},
		SliceMap:         []map[string]string{{"key1": "val1", "key2": "val2", "key3": "val3"}, {"key4": "val4", "key5": "val5", "key6": "val6"}},
		Map:              map[string]string{"key1": "val1", "key2": "val2", "key3": "val3"},
		MapStructs:       map[string]*SliceStruct{"key1": {Name: "name1"}, "key2": {Name: "name2"}, "key3": {Name: "name3"}},
		MapMap:           map[string]map[string]string{"key1": {"key1-1": "val1"}, "key2": {"key2-1": "val2"}, "key3": {"key3-1": "val3"}},
		MapMapStruct:     map[string]map[string]*SliceStruct{"key1": {"key1-1": {Name: "name1"}}, "key2": {"key2-1": {Name: "name2"}}, "key3": {"key3-1": {Name: "name3"}}},
		MapSlice:         map[string][]string{"key1": {"1", "2", "3"}, "key2": {"4", "5", "6"}, "key3": {"7", "8", "9"}},
	}

	test = &Test{
		Inner:     inner,
		CreatedAt: nil,
	}

	val = reflect.ValueOf(test)

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceStructs[2]")
	Equal(t, ok, true)
	Equal(t, kind, reflect.Ptr)
	Equal(t, current.String(), "<*validator.SliceStruct Value>")
	Equal(t, current.IsNil(), true)

	current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceStructs[2].Name")
	Equal(t, ok, false)
	Equal(t, kind, reflect.Ptr)
	Equal(t, current.String(), "<*validator.SliceStruct Value>")
	Equal(t, current.IsNil(), true)

	// Test that invalid namespace on primitive type returns found=false instead of panicking
	// This enables cross-field validators like required_if to work with ValidateMap
	_, kind, _, ok = v.getStructFieldOKInternal(reflect.ValueOf(1), "crazyinput")
	Equal(t, ok, false)
	Equal(t, kind, reflect.Int)
}

func TestExistsValidation(t *testing.T) {
	jsonText := "{ \"truthiness2\": true }"

	type Thing struct {
		Truthiness *bool `json:"truthiness" validate:"required"`
	}

	var ting Thing

	err := json.Unmarshal([]byte(jsonText), &ting)
	Equal(t, err, nil)
	NotEqual(t, ting, nil)
	Equal(t, ting.Truthiness, nil)

	validate := New()
	errs := validate.Struct(ting)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Thing.Truthiness", "Thing.Truthiness", "Truthiness", "Truthiness", "required")

	jsonText = "{ \"truthiness\": true }"

	err = json.Unmarshal([]byte(jsonText), &ting)
	Equal(t, err, nil)
	NotEqual(t, ting, nil)
	Equal(t, ting.Truthiness, true)

	errs = validate.Struct(ting)
	Equal(t, errs, nil)
}

func TestSQLValue2Validation(t *testing.T) {
	validate := New()
	validate.RegisterCustomTypeFunc(ValidateValuerType, valuer{}, (*driver.Valuer)(nil), sql.NullString{}, sql.NullInt64{}, sql.NullBool{}, sql.NullFloat64{})
	validate.RegisterCustomTypeFunc(ValidateCustomType, MadeUpCustomType{})
	validate.RegisterCustomTypeFunc(OverrideIntTypeForSomeReason, 1)

	val := valuer{
		Name: "",
	}

	errs := validate.Var(val, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	val.Name = "Valid Name"
	errs = validate.VarCtx(context.Background(), val, "required")
	Equal(t, errs, nil)

	val.Name = "errorme"

	PanicMatches(t, func() { _ = validate.Var(val, "required") }, "SQL Driver Valuer error: some kind of error")

	myVal := valuer{
		Name: "",
	}

	errs = validate.Var(myVal, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	cust := MadeUpCustomType{
		FirstName: "Joey",
		LastName:  "Bloggs",
	}

	c := CustomMadeUpStruct{MadeUp: cust, OverriddenInt: 2}

	errs = validate.Struct(c)
	Equal(t, errs, nil)

	c.MadeUp.FirstName = ""
	c.OverriddenInt = 1

	errs = validate.Struct(c)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 2)
	AssertError(t, errs, "CustomMadeUpStruct.MadeUp", "CustomMadeUpStruct.MadeUp", "MadeUp", "MadeUp", "required")
	AssertError(t, errs, "CustomMadeUpStruct.OverriddenInt", "CustomMadeUpStruct.OverriddenInt", "OverriddenInt", "OverriddenInt", "gt")
}

func TestSQLValueValidation(t *testing.T) {
	validate := New()
	validate.RegisterCustomTypeFunc(ValidateValuerType, (*driver.Valuer)(nil), valuer{})
	validate.RegisterCustomTypeFunc(ValidateCustomType, MadeUpCustomType{})
	validate.RegisterCustomTypeFunc(OverrideIntTypeForSomeReason, 1)

	val := valuer{
		Name: "",
	}

	errs := validate.Var(val, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	val.Name = "Valid Name"
	errs = validate.Var(val, "required")
	Equal(t, errs, nil)

	val.Name = "errorme"

	PanicMatches(t, func() { errs = validate.Var(val, "required") }, "SQL Driver Valuer error: some kind of error")

	myVal := valuer{
		Name: "",
	}

	errs = validate.Var(myVal, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	cust := MadeUpCustomType{
		FirstName: "Joey",
		LastName:  "Bloggs",
	}

	c := CustomMadeUpStruct{MadeUp: cust, OverriddenInt: 2}

	errs = validate.Struct(c)
	Equal(t, errs, nil)

	c.MadeUp.FirstName = ""
	c.OverriddenInt = 1

	errs = validate.Struct(c)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 2)
	AssertError(t, errs, "CustomMadeUpStruct.MadeUp", "CustomMadeUpStruct.MadeUp", "MadeUp", "MadeUp", "required")
	AssertError(t, errs, "CustomMadeUpStruct.OverriddenInt", "CustomMadeUpStruct.OverriddenInt", "OverriddenInt", "OverriddenInt", "gt")

	// Test for empty field on structs without tags
	type InvalidValuePanicSafetyTest struct {
		V valuer
	}
	errs = validate.Struct(InvalidValuePanicSafetyTest{})
	Equal(t, errs, nil)
}

func TestMACValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"3D:F2:C9:A6:B3:4F", true},
		{"3D-F2-C9-A6-B3:4F", false},
		{"123", false},
		{"", false},
		{"abacaba", false},
		{"00:25:96:FF:FE:12:34:56", true},
		{"0025:96FF:FE12:3456", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "mac")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d mac failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d mac failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "mac" {
					t.Fatalf("Index: %d mac failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestIPValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"10.0.0.1", true},
		{"172.16.0.1", true},
		{"192.168.0.1", true},
		{"192.168.255.254", true},
		{"192.168.255.256", false},
		{"172.16.255.254", true},
		{"172.16.256.255", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", true},
		{"2001:cdba:0:0:0:0:3257:9652", true},
		{"2001:cdba::3257:9652", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ip")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ip" {
					t.Fatalf("Index: %d ip failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestIPv6Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"10.0.0.1", false},
		{"172.16.0.1", false},
		{"192.168.0.1", false},
		{"192.168.255.254", false},
		{"192.168.255.256", false},
		{"172.16.255.254", false},
		{"172.16.256.255", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", true},
		{"2001:cdba:0:0:0:0:3257:9652", true},
		{"2001:cdba::3257:9652", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ipv6")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ipv6 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ipv6 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ipv6" {
					t.Fatalf("Index: %d ipv6 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestIPv4Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"10.0.0.1", true},
		{"172.16.0.1", true},
		{"192.168.0.1", true},
		{"192.168.255.254", true},
		{"192.168.255.256", false},
		{"172.16.255.254", true},
		{"172.16.256.255", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", false},
		{"2001:cdba:0:0:0:0:3257:9652", false},
		{"2001:cdba::3257:9652", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ipv4")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ipv4 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ipv4 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ipv4" {
					t.Fatalf("Index: %d ipv4 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestCIDRValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"10.0.0.0/0", true},
		{"10.0.0.1/8", true},
		{"172.16.0.1/16", true},
		{"192.168.0.1/24", true},
		{"192.168.255.254/24", true},
		{"192.168.255.254/48", false},
		{"192.168.255.256/24", false},
		{"172.16.255.254/16", true},
		{"172.16.256.255/16", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652/64", true},
		{"2001:cdba:0000:0000:0000:0000:3257:9652/256", false},
		{"2001:cdba:0:0:0:0:3257:9652/32", true},
		{"2001:cdba::3257:9652/16", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "cidr")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d cidr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d cidr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "cidr" {
					t.Fatalf("Index: %d cidr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestCIDRv6Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"10.0.0.0/0", false},
		{"10.0.0.1/8", false},
		{"172.16.0.1/16", false},
		{"192.168.0.1/24", false},
		{"192.168.255.254/24", false},
		{"192.168.255.254/48", false},
		{"192.168.255.256/24", false},
		{"172.16.255.254/16", false},
		{"172.16.256.255/16", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652/64", true},
		{"2001:cdba:0000:0000:0000:0000:3257:9652/256", false},
		{"2001:cdba:0:0:0:0:3257:9652/32", true},
		{"2001:cdba::3257:9652/16", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "cidrv6")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d cidrv6 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d cidrv6 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "cidrv6" {
					t.Fatalf("Index: %d cidrv6 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestCIDRv4Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"0.0.0.0/0", true},
		{"10.0.0.0/0", false},
		{"10.0.0.0/8", true},
		{"10.0.0.1/8", false},
		{"172.16.0.0/16", true},
		{"172.16.0.1/16", false},
		{"192.168.0.0/24", true},
		{"192.168.0.1/24", false},
		{"192.168.255.0/24", true},
		{"192.168.255.254/24", false},
		{"192.168.255.254/48", false},
		{"192.168.255.256/24", false},
		{"172.16.0.0/16", true},
		{"172.16.255.254/16", false},
		{"172.16.256.255/16", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652/64", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652/256", false},
		{"2001:cdba:0:0:0:0:3257:9652/32", false},
		{"2001:cdba::3257:9652/16", false},
		{"172.56.1.0/16", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "cidrv4")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d cidrv4 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d cidrv4 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "cidrv4" {
					t.Fatalf("Index: %d cidrv4 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestTCPAddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{":80", false},
		{"127.0.0.1:80", true},
		{"[::1]:80", true},
		{"256.0.0.0:1", false},
		{"[::1]", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "tcp_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d tcp_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d tcp_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "tcp_addr" {
					t.Fatalf("Index: %d tcp_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestTCP6AddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{":80", false},
		{"127.0.0.1:80", false},
		{"[::1]:80", true},
		{"256.0.0.0:1", false},
		{"[::1]", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "tcp6_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d tcp6_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d tcp6_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "tcp6_addr" {
					t.Fatalf("Index: %d tcp6_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestTCP4AddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{":80", false},
		{"127.0.0.1:80", true},
		{"[::1]:80", false}, // https://github.com/golang/go/issues/14037
		{"256.0.0.0:1", false},
		{"[::1]", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "tcp4_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d tcp4_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Log(test.param, IsEqual(errs, nil))
				t.Fatalf("Index: %d tcp4_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "tcp4_addr" {
					t.Fatalf("Index: %d tcp4_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUDPAddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{":80", false},
		{"127.0.0.1:80", true},
		{"[::1]:80", true},
		{"256.0.0.0:1", false},
		{"[::1]", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "udp_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d udp_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d udp_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "udp_addr" {
					t.Fatalf("Index: %d udp_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUDP6AddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{":80", false},
		{"127.0.0.1:80", false},
		{"[::1]:80", true},
		{"256.0.0.0:1", false},
		{"[::1]", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "udp6_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d udp6_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d udp6_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "udp6_addr" {
					t.Fatalf("Index: %d udp6_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUDP4AddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{":80", false},
		{"127.0.0.1:80", true},
		{"[::1]:80", false}, // https://github.com/golang/go/issues/14037
		{"256.0.0.0:1", false},
		{"[::1]", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "udp4_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d udp4_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Log(test.param, IsEqual(errs, nil))
				t.Fatalf("Index: %d udp4_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "udp4_addr" {
					t.Fatalf("Index: %d udp4_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestIPAddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"127.0.0.1", true},
		{"127.0.0.1:80", false},
		{"::1", true},
		{"256.0.0.0", false},
		{"localhost", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ip_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ip_addr" {
					t.Fatalf("Index: %d ip_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestIP6AddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"127.0.0.1", false}, // https://github.com/golang/go/issues/14037
		{"127.0.0.1:80", false},
		{"::1", true},
		{"0:0:0:0:0:0:0:1", true},
		{"256.0.0.0", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ip6_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip6_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip6_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ip6_addr" {
					t.Fatalf("Index: %d ip6_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestIP4AddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"127.0.0.1", true},
		{"127.0.0.1:80", false},
		{"::1", false}, // https://github.com/golang/go/issues/14037
		{"256.0.0.0", false},
		{"localhost", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ip4_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ip4_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Log(test.param, IsEqual(errs, nil))
				t.Fatalf("Index: %d ip4_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ip4_addr" {
					t.Fatalf("Index: %d ip4_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUnixAddrValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", true},
		{"v.sock", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "unix_addr")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d unix_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Log(test.param, IsEqual(errs, nil))
				t.Fatalf("Index: %d unix_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "unix_addr" {
					t.Fatalf("Index: %d unix_addr failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUnixDomainSocketExistsValidation(t *testing.T) {
	if runtime.GOOS == "windows" {
		t.Skip("Unix domain sockets are not supported on Windows")
	}

	validate := New()

	t.Run("empty", func(t *testing.T) {
		errs := validate.Var("", "uds_exists")
		NotEqual(t, errs, nil)
		AssertError(t, errs, "", "", "", "", "uds_exists")
	})

	t.Run("non_existent", func(t *testing.T) {
		errs := validate.Var("/tmp/nonexistent.sock", "uds_exists")
		NotEqual(t, errs, nil)
		AssertError(t, errs, "", "", "", "", "uds_exists")
	})

	t.Run("sock_file", func(t *testing.T) {
		sockPath := "/tmp/test_validator.sock"
		var lc net.ListenConfig
		listener, err := lc.Listen(t.Context(), "unix", sockPath)
		if err != nil {
			t.Fatalf("Failed to create test socket: %v", err)
		}
		defer func() {
			_ = os.Remove(sockPath)
			_ = listener.Close()
		}()

		errs := validate.Var(sockPath, "uds_exists")
		Equal(t, errs, nil)
	})

	t.Run("regular_file", func(t *testing.T) {
		regularFile := "/tmp/test_validator_regular.txt"
		if err := os.WriteFile(regularFile, []byte("test"), 0644); err != nil {
			t.Fatalf("Failed to create regular file: %v", err)
		}
		defer func() {
			_ = os.Remove(regularFile)
		}()

		errs := validate.Var(regularFile, "uds_exists")
		NotEqual(t, errs, nil)
		AssertError(t, errs, "", "", "", "", "uds_exists")
	})

	t.Run("directory", func(t *testing.T) {
		dirPath := "/tmp/test_validator_dir"
		if err := os.Mkdir(dirPath, 0755); err != nil && !os.IsExist(err) {
			t.Fatalf("Failed to create directory: %v", err)
		}
		defer func() {
			_ = os.RemoveAll(dirPath)
		}()

		errs := validate.Var(dirPath, "uds_exists")
		NotEqual(t, errs, nil)
		AssertError(t, errs, "", "", "", "", "uds_exists")
	})

	// only supported on linux
	t.Run("abstract_sockets", func(t *testing.T) {
		if runtime.GOOS != "linux" {
			return
		}

		t.Run("non_existent", func(t *testing.T) {
			errs := validate.Var("@nonexistent_abstract_socket", "uds_exists")
			NotEqual(t, errs, nil)
			AssertError(t, errs, "", "", "", "", "uds_exists")
		})

		t.Run("existing", func(t *testing.T) {
			abstractSockName := "@test_abstract_socket_" + fmt.Sprintf("%d", time.Now().UnixNano())
			var lc net.ListenConfig
			abstractListener, err := lc.Listen(t.Context(), "unix", "\x00"+abstractSockName[1:])
			if err != nil {
				t.Fatalf("Failed to create abstract socket: %v", err)
			}
			defer func() {
				_ = abstractListener.Close()
			}()

			errs := validate.Var(abstractSockName, "uds_exists")
			Equal(t, errs, nil)
		})
	})
}

func TestSliceMapArrayChanFuncPtrInterfaceRequiredValidation(t *testing.T) {
	validate := New()

	var m map[string]string

	errs := validate.Var(m, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	m = map[string]string{}
	errs = validate.Var(m, "required")
	Equal(t, errs, nil)

	var arr [5]string
	errs = validate.Var(arr, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	arr[0] = "ok"
	errs = validate.Var(arr, "required")
	Equal(t, errs, nil)

	var s []string
	errs = validate.Var(s, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	s = []string{}
	errs = validate.Var(s, "required")
	Equal(t, errs, nil)

	var c chan string
	errs = validate.Var(c, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	c = make(chan string)
	errs = validate.Var(c, "required")
	Equal(t, errs, nil)

	var tst *int
	errs = validate.Var(tst, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	one := 1
	tst = &one
	errs = validate.Var(tst, "required")
	Equal(t, errs, nil)

	var iface interface{}

	errs = validate.Var(iface, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	errs = validate.Var(iface, "omitempty,required")
	Equal(t, errs, nil)

	errs = validate.Var(iface, "")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(nil, iface, "")
	Equal(t, errs, nil)

	var f func(string)

	errs = validate.Var(f, "required")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "required")

	f = func(name string) {}

	errs = validate.Var(f, "required")
	Equal(t, errs, nil)
}

func TestDatePtrValidationIssueValidation(t *testing.T) {
	type Test struct {
		LastViewed *time.Time
		Reminder   *time.Time
	}

	test := &Test{}

	validate := New()
	errs := validate.Struct(test)
	Equal(t, errs, nil)
}

func TestCommaAndPipeObfuscationValidation(t *testing.T) {
	s := "My Name Is, |joeybloggs|"

	validate := New()

	errs := validate.Var(s, "excludesall=0x2C")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "excludesall")

	errs = validate.Var(s, "excludesall=0x7C")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "excludesall")
}

func TestBadKeyValidation(t *testing.T) {
	type Test struct {
		Name string `validate:"required, "`
	}

	tst := &Test{
		Name: "test",
	}

	validate := New()

	PanicMatches(t, func() { _ = validate.Struct(tst) }, "Undefined validation function ' ' on field 'Name'")

	type Test2 struct {
		Name string `validate:"required,,len=2"`
	}

	tst2 := &Test2{
		Name: "test",
	}

	PanicMatches(t, func() { _ = validate.Struct(tst2) }, "Invalid validation tag on field 'Name'")
}

func TestInterfaceErrValidation(t *testing.T) {
	var v2 interface{} = 1
	var v1 = v2

	validate := New()
	errs := validate.Var(v1, "len=1")
	Equal(t, errs, nil)

	errs = validate.Var(v2, "len=1")
	Equal(t, errs, nil)

	type ExternalCMD struct {
		Userid string      `json:"userid"`
		Action uint32      `json:"action"`
		Data   interface{} `json:"data,omitempty" validate:"required"`
	}

	s := &ExternalCMD{
		Userid: "123456",
		Action: 10000,
		// Data:   1,
	}

	errs = validate.Struct(s)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "ExternalCMD.Data", "ExternalCMD.Data", "Data", "Data", "required")

	type ExternalCMD2 struct {
		Userid string      `json:"userid"`
		Action uint32      `json:"action"`
		Data   interface{} `json:"data,omitempty" validate:"len=1"`
	}

	s2 := &ExternalCMD2{
		Userid: "123456",
		Action: 10000,
		// Data:   1,
	}

	errs = validate.Struct(s2)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "ExternalCMD2.Data", "ExternalCMD2.Data", "Data", "Data", "len")

	s3 := &ExternalCMD2{
		Userid: "123456",
		Action: 10000,
		Data:   2,
	}

	errs = validate.Struct(s3)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "ExternalCMD2.Data", "ExternalCMD2.Data", "Data", "Data", "len")

	type Inner struct {
		Name string `validate:"required"`
	}

	inner := &Inner{
		Name: "",
	}

	s4 := &ExternalCMD{
		Userid: "123456",
		Action: 10000,
		Data:   inner,
	}

	errs = validate.Struct(s4)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "ExternalCMD.Data.Name", "ExternalCMD.Data.Name", "Name", "Name", "required")

	type TestMapStructPtr struct {
		Errs map[int]interface{} `validate:"gt=0,dive,required"`
	}

	mip := map[int]interface{}{0: &Inner{"ok"}, 3: nil, 4: &Inner{"ok"}}

	msp := &TestMapStructPtr{
		Errs: mip,
	}

	errs = validate.Struct(msp)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestMapStructPtr.Errs[3]", "TestMapStructPtr.Errs[3]", "Errs[3]", "Errs[3]", "required")

	type TestMultiDimensionalStructs struct {
		Errs [][]interface{} `validate:"gt=0,dive,dive"`
	}

	var errStructArray [][]interface{}

	errStructArray = append(errStructArray, []interface{}{&Inner{"ok"}, &Inner{""}, &Inner{""}})
	errStructArray = append(errStructArray, []interface{}{&Inner{"ok"}, &Inner{""}, &Inner{""}})

	tms := &TestMultiDimensionalStructs{
		Errs: errStructArray,
	}

	errs = validate.Struct(tms)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 4)
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][1].Name", "TestMultiDimensionalStructs.Errs[0][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][2].Name", "TestMultiDimensionalStructs.Errs[0][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[1][1].Name", "TestMultiDimensionalStructs.Errs[1][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[1][2].Name", "TestMultiDimensionalStructs.Errs[1][2].Name", "Name", "Name", "required")

	type TestMultiDimensionalStructsPtr2 struct {
		Errs [][]*Inner `validate:"gt=0,dive,dive,required"`
	}

	var errStructPtr2Array [][]*Inner

	errStructPtr2Array = append(errStructPtr2Array, []*Inner{{"ok"}, {""}, {""}})
	errStructPtr2Array = append(errStructPtr2Array, []*Inner{{"ok"}, {""}, {""}})
	errStructPtr2Array = append(errStructPtr2Array, []*Inner{{"ok"}, {""}, nil})

	tmsp2 := &TestMultiDimensionalStructsPtr2{
		Errs: errStructPtr2Array,
	}

	errs = validate.Struct(tmsp2)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 6)
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][1].Name", "TestMultiDimensionalStructsPtr2.Errs[0][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][2].Name", "TestMultiDimensionalStructsPtr2.Errs[0][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[1][1].Name", "TestMultiDimensionalStructsPtr2.Errs[1][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[1][2].Name", "TestMultiDimensionalStructsPtr2.Errs[1][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[2][1].Name", "TestMultiDimensionalStructsPtr2.Errs[2][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[2][2]", "TestMultiDimensionalStructsPtr2.Errs[2][2]", "Errs[2][2]", "Errs[2][2]", "required")

	m := map[int]interface{}{0: "ok", 3: "", 4: "ok"}

	errs = validate.Var(m, "len=3,dive,len=2")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "[3]", "[3]", "[3]", "[3]", "len")

	errs = validate.Var(m, "len=2,dive,required")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "", "", "", "", "len")

	arr := []interface{}{"ok", "", "ok"}

	errs = validate.Var(arr, "len=3,dive,len=2")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "[1]", "[1]", "[1]", "[1]", "len")

	errs = validate.Var(arr, "len=2,dive,required")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "", "", "", "", "len")

	type MyStruct struct {
		A, B string
		C    interface{}
	}

	var a MyStruct

	a.A = "value"
	a.C = "nu"

	errs = validate.Struct(a)
	Equal(t, errs, nil)
}

func TestMapDiveValidation(t *testing.T) {
	validate := New()

	n := map[int]interface{}{0: nil}
	errs := validate.Var(n, "omitempty,required")
	Equal(t, errs, nil)

	m := map[int]string{0: "ok", 3: "", 4: "ok"}

	errs = validate.Var(m, "len=3,dive,required")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "[3]", "[3]", "[3]", "[3]", "required")

	errs = validate.Var(m, "len=2,dive,required")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "", "", "", "", "len")

	type Inner struct {
		Name string `validate:"required"`
	}

	type TestMapStruct struct {
		Errs map[int]Inner `validate:"gt=0,dive"`
	}

	mi := map[int]Inner{0: {"ok"}, 3: {""}, 4: {"ok"}}

	ms := &TestMapStruct{
		Errs: mi,
	}

	errs = validate.Struct(ms)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestMapStruct.Errs[3].Name", "TestMapStruct.Errs[3].Name", "Name", "Name", "required")

	// for full test coverage
	s := fmt.Sprint(errs.Error())
	NotEqual(t, s, "")

	type TestMapInterface struct {
		Errs map[int]interface{} `validate:"dive"`
	}

	mit := map[int]interface{}{0: Inner{"ok"}, 1: Inner{""}, 3: nil, 5: "string", 6: 33}

	msi := &TestMapInterface{
		Errs: mit,
	}

	errs = validate.Struct(msi)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestMapInterface.Errs[1].Name", "TestMapInterface.Errs[1].Name", "Name", "Name", "required")

	type TestMapTimeStruct struct {
		Errs map[int]*time.Time `validate:"gt=0,dive,required"`
	}

	t1 := time.Now().UTC()

	mta := map[int]*time.Time{0: &t1, 3: nil, 4: nil}

	mt := &TestMapTimeStruct{
		Errs: mta,
	}

	errs = validate.Struct(mt)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 2)
	AssertError(t, errs, "TestMapTimeStruct.Errs[3]", "TestMapTimeStruct.Errs[3]", "Errs[3]", "Errs[3]", "required")
	AssertError(t, errs, "TestMapTimeStruct.Errs[4]", "TestMapTimeStruct.Errs[4]", "Errs[4]", "Errs[4]", "required")

	type TestMapStructPtr struct {
		Errs map[int]*Inner `validate:"gt=0,dive,required"`
	}

	mip := map[int]*Inner{0: {"ok"}, 3: nil, 4: {"ok"}}

	msp := &TestMapStructPtr{
		Errs: mip,
	}

	errs = validate.Struct(msp)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestMapStructPtr.Errs[3]", "TestMapStructPtr.Errs[3]", "Errs[3]", "Errs[3]", "required")

	type TestMapStructPtr2 struct {
		Errs map[int]*Inner `validate:"gt=0,dive,omitempty,required"`
	}

	mip2 := map[int]*Inner{0: {"ok"}, 3: nil, 4: {"ok"}}

	msp2 := &TestMapStructPtr2{
		Errs: mip2,
	}

	errs = validate.Struct(msp2)
	Equal(t, errs, nil)

	v2 := New()
	v2.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type MapDiveJSONTest struct {
		Map map[string]string `validate:"required,gte=1,dive,gte=1" json:"MyName"`
	}

	mdjt := &MapDiveJSONTest{
		Map: map[string]string{
			"Key1": "Value1",
			"Key2": "",
		},
	}

	err := v2.Struct(mdjt)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)
	fe := getError(errs, "MapDiveJSONTest.MyName[Key2]", "MapDiveJSONTest.Map[Key2]")
	NotEqual(t, fe, nil)
	Equal(t, fe.Tag(), "gte")
	Equal(t, fe.ActualTag(), "gte")
	Equal(t, fe.Field(), "MyName[Key2]")
	Equal(t, fe.StructField(), "Map[Key2]")
}

func TestArrayDiveValidation(t *testing.T) {
	validate := New()

	arr := []string{"ok", "", "ok"}

	errs := validate.Var(arr, "len=3,dive,required")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "[1]", "[1]", "[1]", "[1]", "required")

	errs = validate.Var(arr, "len=2,dive,required")
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "", "", "", "", "len")

	type BadDive struct {
		Name string `validate:"dive"`
	}

	bd := &BadDive{
		Name: "TEST",
	}

	PanicMatches(t, func() { _ = validate.Struct(bd) }, "dive error! can't dive on a non slice or map")

	type Test struct {
		Errs []string `validate:"gt=0,dive,required"`
	}

	test := &Test{
		Errs: []string{"ok", "", "ok"},
	}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "Test.Errs[1]", "Test.Errs[1]", "Errs[1]", "Errs[1]", "required")

	test = &Test{
		Errs: []string{"ok", "ok", ""},
	}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "Test.Errs[2]", "Test.Errs[2]", "Errs[2]", "Errs[2]", "required")

	type TestMultiDimensional struct {
		Errs [][]string `validate:"gt=0,dive,dive,required"`
	}

	var errArray [][]string

	errArray = append(errArray, []string{"ok", "", ""})
	errArray = append(errArray, []string{"ok", "", ""})

	tm := &TestMultiDimensional{
		Errs: errArray,
	}

	errs = validate.Struct(tm)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 4)
	AssertError(t, errs, "TestMultiDimensional.Errs[0][1]", "TestMultiDimensional.Errs[0][1]", "Errs[0][1]", "Errs[0][1]", "required")
	AssertError(t, errs, "TestMultiDimensional.Errs[0][2]", "TestMultiDimensional.Errs[0][2]", "Errs[0][2]", "Errs[0][2]", "required")
	AssertError(t, errs, "TestMultiDimensional.Errs[1][1]", "TestMultiDimensional.Errs[1][1]", "Errs[1][1]", "Errs[1][1]", "required")
	AssertError(t, errs, "TestMultiDimensional.Errs[1][2]", "TestMultiDimensional.Errs[1][2]", "Errs[1][2]", "Errs[1][2]", "required")

	type Inner struct {
		Name string `validate:"required"`
	}

	type TestMultiDimensionalStructs struct {
		Errs [][]Inner `validate:"gt=0,dive,dive"`
	}

	var errStructArray [][]Inner

	errStructArray = append(errStructArray, []Inner{{"ok"}, {""}, {""}})
	errStructArray = append(errStructArray, []Inner{{"ok"}, {""}, {""}})

	tms := &TestMultiDimensionalStructs{
		Errs: errStructArray,
	}

	errs = validate.Struct(tms)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 4)
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][1].Name", "TestMultiDimensionalStructs.Errs[0][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][2].Name", "TestMultiDimensionalStructs.Errs[0][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[1][1].Name", "TestMultiDimensionalStructs.Errs[1][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[1][2].Name", "TestMultiDimensionalStructs.Errs[1][2].Name", "Name", "Name", "required")

	type TestMultiDimensionalStructsPtr struct {
		Errs [][]*Inner `validate:"gt=0,dive,dive"`
	}

	var errStructPtrArray [][]*Inner

	errStructPtrArray = append(errStructPtrArray, []*Inner{{"ok"}, {""}, {""}})
	errStructPtrArray = append(errStructPtrArray, []*Inner{{"ok"}, {""}, {""}})
	errStructPtrArray = append(errStructPtrArray, []*Inner{{"ok"}, {""}, nil})

	tmsp := &TestMultiDimensionalStructsPtr{
		Errs: errStructPtrArray,
	}

	errs = validate.Struct(tmsp)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 5)
	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[0][1].Name", "TestMultiDimensionalStructsPtr.Errs[0][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[0][2].Name", "TestMultiDimensionalStructsPtr.Errs[0][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[1][1].Name", "TestMultiDimensionalStructsPtr.Errs[1][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[1][2].Name", "TestMultiDimensionalStructsPtr.Errs[1][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[2][1].Name", "TestMultiDimensionalStructsPtr.Errs[2][1].Name", "Name", "Name", "required")

	// for full test coverage
	s := fmt.Sprint(errs.Error())
	NotEqual(t, s, "")

	type TestMultiDimensionalStructsPtr2 struct {
		Errs [][]*Inner `validate:"gt=0,dive,dive,required"`
	}

	var errStructPtr2Array [][]*Inner

	errStructPtr2Array = append(errStructPtr2Array, []*Inner{{"ok"}, {""}, {""}})
	errStructPtr2Array = append(errStructPtr2Array, []*Inner{{"ok"}, {""}, {""}})
	errStructPtr2Array = append(errStructPtr2Array, []*Inner{{"ok"}, {""}, nil})

	tmsp2 := &TestMultiDimensionalStructsPtr2{
		Errs: errStructPtr2Array,
	}

	errs = validate.Struct(tmsp2)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 6)
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][1].Name", "TestMultiDimensionalStructsPtr2.Errs[0][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][2].Name", "TestMultiDimensionalStructsPtr2.Errs[0][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[1][1].Name", "TestMultiDimensionalStructsPtr2.Errs[1][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[1][2].Name", "TestMultiDimensionalStructsPtr2.Errs[1][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[2][1].Name", "TestMultiDimensionalStructsPtr2.Errs[2][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[2][2]", "TestMultiDimensionalStructsPtr2.Errs[2][2]", "Errs[2][2]", "Errs[2][2]", "required")

	type TestMultiDimensionalStructsPtr3 struct {
		Errs [][]*Inner `validate:"gt=0,dive,dive,omitempty"`
	}

	var errStructPtr3Array [][]*Inner

	errStructPtr3Array = append(errStructPtr3Array, []*Inner{{"ok"}, {""}, {""}})
	errStructPtr3Array = append(errStructPtr3Array, []*Inner{{"ok"}, {""}, {""}})
	errStructPtr3Array = append(errStructPtr3Array, []*Inner{{"ok"}, {""}, nil})

	tmsp3 := &TestMultiDimensionalStructsPtr3{
		Errs: errStructPtr3Array,
	}

	errs = validate.Struct(tmsp3)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 5)
	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[0][1].Name", "TestMultiDimensionalStructsPtr3.Errs[0][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[0][2].Name", "TestMultiDimensionalStructsPtr3.Errs[0][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[1][1].Name", "TestMultiDimensionalStructsPtr3.Errs[1][1].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[1][2].Name", "TestMultiDimensionalStructsPtr3.Errs[1][2].Name", "Name", "Name", "required")
	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[2][1].Name", "TestMultiDimensionalStructsPtr3.Errs[2][1].Name", "Name", "Name", "required")

	type TestMultiDimensionalTimeTime struct {
		Errs [][]*time.Time `validate:"gt=0,dive,dive,required"`
	}

	var errTimePtr3Array [][]*time.Time

	t1 := time.Now().UTC()
	t2 := time.Now().UTC()
	t3 := time.Now().UTC().Add(time.Hour * 24)

	errTimePtr3Array = append(errTimePtr3Array, []*time.Time{&t1, &t2, &t3})
	errTimePtr3Array = append(errTimePtr3Array, []*time.Time{&t1, &t2, nil})
	errTimePtr3Array = append(errTimePtr3Array, []*time.Time{&t1, nil, nil})

	tmtp3 := &TestMultiDimensionalTimeTime{
		Errs: errTimePtr3Array,
	}

	errs = validate.Struct(tmtp3)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 3)
	AssertError(t, errs, "TestMultiDimensionalTimeTime.Errs[1][2]", "TestMultiDimensionalTimeTime.Errs[1][2]", "Errs[1][2]", "Errs[1][2]", "required")
	AssertError(t, errs, "TestMultiDimensionalTimeTime.Errs[2][1]", "TestMultiDimensionalTimeTime.Errs[2][1]", "Errs[2][1]", "Errs[2][1]", "required")
	AssertError(t, errs, "TestMultiDimensionalTimeTime.Errs[2][2]", "TestMultiDimensionalTimeTime.Errs[2][2]", "Errs[2][2]", "Errs[2][2]", "required")

	type TestMultiDimensionalTimeTime2 struct {
		Errs [][]*time.Time `validate:"gt=0,dive,dive,required"`
	}

	var errTimeArray [][]*time.Time

	t1 = time.Now().UTC()
	t2 = time.Now().UTC()
	t3 = time.Now().UTC().Add(time.Hour * 24)

	errTimeArray = append(errTimeArray, []*time.Time{&t1, &t2, &t3})
	errTimeArray = append(errTimeArray, []*time.Time{&t1, &t2, nil})
	errTimeArray = append(errTimeArray, []*time.Time{&t1, nil, nil})

	tmtp := &TestMultiDimensionalTimeTime2{
		Errs: errTimeArray,
	}

	errs = validate.Struct(tmtp)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 3)
	AssertError(t, errs, "TestMultiDimensionalTimeTime2.Errs[1][2]", "TestMultiDimensionalTimeTime2.Errs[1][2]", "Errs[1][2]", "Errs[1][2]", "required")
	AssertError(t, errs, "TestMultiDimensionalTimeTime2.Errs[2][1]", "TestMultiDimensionalTimeTime2.Errs[2][1]", "Errs[2][1]", "Errs[2][1]", "required")
	AssertError(t, errs, "TestMultiDimensionalTimeTime2.Errs[2][2]", "TestMultiDimensionalTimeTime2.Errs[2][2]", "Errs[2][2]", "Errs[2][2]", "required")
}

func TestNilStructPointerValidation(t *testing.T) {
	type Inner struct {
		Data string
	}

	type Outer struct {
		Inner *Inner `validate:"omitempty"`
	}

	inner := &Inner{
		Data: "test",
	}

	outer := &Outer{
		Inner: inner,
	}

	validate := New()
	errs := validate.Struct(outer)
	Equal(t, errs, nil)

	outer = &Outer{
		Inner: nil,
	}

	errs = validate.Struct(outer)
	Equal(t, errs, nil)

	type Inner2 struct {
		Data string
	}

	type Outer2 struct {
		Inner2 *Inner2 `validate:"required"`
	}

	inner2 := &Inner2{
		Data: "test",
	}

	outer2 := &Outer2{
		Inner2: inner2,
	}

	errs = validate.Struct(outer2)
	Equal(t, errs, nil)

	outer2 = &Outer2{
		Inner2: nil,
	}

	errs = validate.Struct(outer2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Outer2.Inner2", "Outer2.Inner2", "Inner2", "Inner2", "required")

	type Inner3 struct {
		Data string
	}

	type Outer3 struct {
		Inner3 *Inner3
	}

	inner3 := &Inner3{
		Data: "test",
	}

	outer3 := &Outer3{
		Inner3: inner3,
	}

	errs = validate.Struct(outer3)
	Equal(t, errs, nil)

	type Inner4 struct {
		Data string
	}

	type Outer4 struct {
		Inner4 *Inner4 `validate:"-"`
	}

	inner4 := &Inner4{
		Data: "test",
	}

	outer4 := &Outer4{
		Inner4: inner4,
	}

	errs = validate.Struct(outer4)
	Equal(t, errs, nil)
}

func TestSSNValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"00-90-8787", false},
		{"66690-76", false},
		{"191 60 2869", true},
		{"191-60-2869", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ssn")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d SSN failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d SSN failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ssn" {
					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestLongitudeValidation(t *testing.T) {
	tests := []struct {
		param    interface{}
		expected bool
	}{
		{"", false},
		{"-180.000", true},
		{"180.1", false},
		{"+73.234", true},
		{"+382.3811", false},
		{"23.11111111", true},
		{uint(180), true},
		{float32(-180.0), true},
		{-180, true},
		{180.1, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "longitude")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d Longitude failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d Longitude failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "longitude" {
					t.Fatalf("Index: %d Longitude failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() { _ = validate.Var(true, "longitude") }, "Bad field type bool")
}

func TestLatitudeValidation(t *testing.T) {
	tests := []struct {
		param    interface{}
		expected bool
	}{
		{"", false},
		{"-90.000", true},
		{"+90", true},
		{"47.1231231", true},
		{"+99.9", false},
		{"108", false},
		{uint(90), true},
		{float32(-90.0), true},
		{-90, true},
		{90.1, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "latitude")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "latitude" {
					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() { _ = validate.Var(true, "latitude") }, "Bad field type bool")
}

func TestDataURIValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"data:image/png;base64,TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFkaXBpc2NpbmcgZWxpdC4=", true},
		{"data:text/plain;base64,Vml2YW11cyBmZXJtZW50dW0gc2VtcGVyIHBvcnRhLg==", true},
		{"image/gif;base64,U3VzcGVuZGlzc2UgbGVjdHVzIGxlbw==", false},
		{
			"data:image/gif;base64,MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuMPNS1Ufof9EW/M98FNw" +
				"UAKrwflsqVxaxQjBQnHQmiI7Vac40t8x7pIb8gLGV6wL7sBTJiPovJ0V7y7oc0Ye" +
				"rhKh0Rm4skP2z/jHwwZICgGzBvA0rH8xlhUiTvcwDCJ0kc+fh35hNt8srZQM4619" +
				"FTgB66Xmp4EtVyhpQV+t02g6NzK72oZI0vnAvqhpkxLeLiMCyrI416wHm5Tkukhx" +
				"QmcL2a6hNOyu0ixX/x2kSFXApEnVrJ+/IxGyfyw8kf4N2IZpW5nEP847lpfj0SZZ" +
				"Fwrd1mnfnDbYohX2zRptLy2ZUn06Qo9pkG5ntvFEPo9bfZeULtjYzIl6K8gJ2uGZ" + "HQIDAQAB", true,
		},
		{"data:image/png;base64,12345", false},
		{"", false},
		{"data:text,:;base85,U3VzcGVuZGlzc2UgbGVjdHVzIGxlbw==", false},
		{"data:image/jpeg;key=value;base64,UEsDBBQAAAAI", true},
		{"data:image/jpeg;key=value,UEsDBBQAAAAI", true},
		{"data:;base64;sdfgsdfgsdfasdfa=s,UEsDBBQAAAAI", true},
		{"data:,UEsDBBQAAAAI", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "datauri")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d DataURI failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d DataURI failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "datauri" {
					t.Fatalf("Index: %d DataURI failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestMultibyteValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", true},
		{"abc", false},
		{"123", false},
		{"<>@;.-=", false},
		{"ひらがな・カタカナ、．漢字", true},
		{"あいうえお foobar", true},
		{"test＠example.com", true},
		{"test＠example.com", true},
		{"1234abcDEｘｙｚ", true},
		{"ｶﾀｶﾅ", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "multibyte")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d Multibyte failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d Multibyte failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "multibyte" {
					t.Fatalf("Index: %d Multibyte failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestPrintableASCIIValidation(t *testing.T) {
	tests := []struct {
		param    interface{}
		expected bool
	}{
		{"", true},
		{"ｆｏｏbar", false},
		{"ｘｙｚ０９８", false},
		{"１２３456", false},
		{"ｶﾀｶﾅ", false},
		{"foobar", true},
		{"0987654321", true},
		{"test@example.com", true},
		{"1234abcDEF", true},
		{"newline\n", false},
		{"\x19test\x7F", false},
		{[]int{3000}, false},
		{1, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "printascii")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d Printable ASCII failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d Printable ASCII failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "printascii" {
					t.Fatalf("Index: %d Printable ASCII failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestASCIIValidation(t *testing.T) {
	tests := []struct {
		param    interface{}
		expected bool
	}{
		{"", true},
		{"ｆｏｏbar", false},
		{"ｘｙｚ０９８", false},
		{"１２３456", false},
		{"ｶﾀｶﾅ", false},
		{"foobar", true},
		{"0987654321", true},
		{"test@example.com", true},
		{"1234abcDEF", true},
		{"", true},
		{[]int{3000}, false},
		{1, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ascii")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ASCII failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ASCII failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ascii" {
					t.Fatalf("Index: %d ASCII failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUUID5Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"xxxa987fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"9c858901-8a57-4791-81fe-4c455b099bc9", false},
		{"a987fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"987fbc97-4bed-5078-af07-9141ba07c9f3", true},
		{"987fbc97-4bed-5078-9f07-9141ba07c9f3", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid5")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID5 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID5 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid5" {
					t.Fatalf("Index: %d UUID5 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUUID4Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"xxxa987fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"a987fbc9-4bed-5078-af07-9141ba07c9f3", false},
		{"934859", false},
		{"57b73598-8764-4ad0-a76a-679bb6640eb1", true},
		{"625e63f3-58f5-40b7-83a1-a72ad31acffb", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid4")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID4 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID4 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid4" {
					t.Fatalf("Index: %d UUID4 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUUID3Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"412452646", false},
		{"xxxa987fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"a987fbc9-4bed-4078-8f07-9141ba07c9f3", false},
		{"a987fbc9-4bed-3078-cf07-9141ba07c9f3", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid3")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID3 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID3 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid3" {
					t.Fatalf("Index: %d UUID3 failed Error: %s", i, errs)
				}
			}
		}
	}
}

type uuidTestType struct {
	val string
}

func (u uuidTestType) String() string {
	return u.val
}

type uuidAlias string

func (u uuidAlias) String() string {
	return "This is a UUID " + string(u)
}

var (
	_ fmt.Stringer = uuidTestType{}
	_ fmt.Stringer = uuidAlias("")
)

func TestUUIDValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"xxxa987fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"a987fbc9-4bed-3078-cf07-9141ba07c9f3xxx", false},
		{"a987fbc94bed3078cf079141ba07c9f3", false},
		{"934859", false},
		{"987fbc9-4bed-3078-cf07a-9141ba07c9f3", false},
		{"aaaaaaaa-1111-1111-aaag-111111111111", false},
		{"a987fbc9-4bed-3078-cf07-9141ba07c9f3", true},
		{"2830923A-E5F5-4178-9700-787586673E0D", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid" {
					t.Fatalf("Index: %d UUID failed Error: %s", i, errs)
				}
			}
		}
	}

	// Test UUID validation on uuid structs type that implements Stringer interface.
	structWithValidUUID := struct {
		UUID uuidTestType `validate:"uuid"`
	}{
		UUID: uuidTestType{val: "a987fbc9-4bed-3078-cf07-9141ba07c9f3"},
	}
	structWithInvalidUUID := struct {
		UUID uuidTestType `validate:"uuid"`
	}{
		UUID: uuidTestType{val: "934859"},
	}

	if err := validate.Struct(structWithValidUUID); err != nil {
		t.Fatalf("UUID failed Error: %s", err)
	}
	if err := validate.Struct(structWithInvalidUUID); err == nil {
		t.Fatal("UUID failed Error expected but received nil")
	}

	// Test on Alias type with Stringer interface.
	alias := uuidAlias("a987fbc9-4bed-3078-cf07-9141ba07c9f3")
	if err := validate.Var(alias, "uuid"); err != nil {
		t.Fatalf("UUID failed Error: %s", err)
	}
}

func TestUUID5RFC4122Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"xxxa987Fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"9c858901-8a57-4791-81Fe-4c455b099bc9", false},
		{"a987Fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"987Fbc97-4bed-5078-af07-9141ba07c9f3", true},
		{"987Fbc97-4bed-5078-9f07-9141ba07c9f3", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid5_rfc4122")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID5RFC4122 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID5RFC4122 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid5_rfc4122" {
					t.Fatalf("Index: %d UUID5RFC4122 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUUID4RFC4122Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"xxxa987fbc9-4bed-3078-cf07-9141ba07c9F3", false},
		{"a987fbc9-4bed-5078-af07-9141ba07c9F3", false},
		{"934859", false},
		{"57b73598-8764-4ad0-a76A-679bb6640eb1", true},
		{"625e63f3-58f5-40b7-83a1-a72ad31acFfb", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid4_rfc4122")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID4RFC4122 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID4RFC4122 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid4_rfc4122" {
					t.Fatalf("Index: %d UUID4RFC4122 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUUID3RFC4122Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"412452646", false},
		{"xxxa987fbc9-4bed-3078-cf07-9141ba07c9F3", false},
		{"a987fbc9-4bed-4078-8f07-9141ba07c9F3", false},
		{"a987fbc9-4bed-3078-cf07-9141ba07c9F3", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid3_rfc4122")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID3RFC4122 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUID3RFC4122 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid3_rfc4122" {
					t.Fatalf("Index: %d UUID3RFC4122 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestUUIDRFC4122Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"xxxa987Fbc9-4bed-3078-cf07-9141ba07c9f3", false},
		{"a987Fbc9-4bed-3078-cf07-9141ba07c9f3xxx", false},
		{"a987Fbc94bed3078cf079141ba07c9f3", false},
		{"934859", false},
		{"987fbc9-4bed-3078-cf07a-9141ba07c9F3", false},
		{"aaaaaaaa-1111-1111-aaaG-111111111111", false},
		{"a987Fbc9-4bed-3078-cf07-9141ba07c9f3", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uuid_rfc4122")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUIDRFC4122 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d UUIDRFC4122 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uuid_rfc4122" {
					t.Fatalf("Index: %d UUIDRFC4122 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestULIDValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"01BX5ZZKBKACT-V9WEVGEMMVRZ", false},
		{"01bx5zzkbkactav9wevgemmvrz", true},
		{"a987Fbc9-4bed-3078-cf07-9141ba07c9f3xxx", false},
		{"01BX5ZZKBKACTAV9WEVGEMMVRZABC", false},
		{"01BX5ZZKBKACTAV9WEVGEMMVRZABC", false},
		{"0IBX5ZZKBKACTAV9WEVGEMMVRZ", false},
		{"O1BX5ZZKBKACTAV9WEVGEMMVRZ", false},
		{"01BX5ZZKBKACTAVLWEVGEMMVRZ", false},
		{"01BX5ZZKBKACTAV9WEVGEMMVRZ", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ulid")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ULID failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ULID failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ulid" {
					t.Fatalf("Index: %d ULID failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestMD4Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "md4")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d MD4 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d MD4 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "md4" {
					t.Fatalf("Index: %d MD4 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestMD5Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "md5")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d MD5 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d MD5 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "md5" {
					t.Fatalf("Index: %d MD5 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestSHA256Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "sha256")
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d SHA256 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d SHA256 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "sha256" {
					t.Fatalf("Index: %d SHA256 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestSHA384Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "sha384")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d SHA384 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d SHA384 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "sha384" {
					t.Fatalf("Index: %d SHA384 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestSHA512Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc46f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "sha512")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d SHA512 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d SHA512 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "sha512" {
					t.Fatalf("Index: %d SHA512 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestRIPEMD128Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ripemd128")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d RIPEMD128 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d RIPEMD128 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ripemd128" {
					t.Fatalf("Index: %d RIPEMD128 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestRIPEMD160Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "ripemd160")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d RIPEMD160 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d RIPEMD160 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "ripemd160" {
					t.Fatalf("Index: %d RIPEMD160 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestTIGER128Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "tiger128")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d TIGER128 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d TIGER128 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "tiger128" {
					t.Fatalf("Index: %d TIGER128 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestTIGER160Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "tiger160")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d TIGER160 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d TIGER160 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "tiger160" {
					t.Fatalf("Index: %d TIGER160 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestTIGER192Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"6f5902ac237024bd6f5902ac237024bdd0c176cb93063dc4", true},
		{"6f5902ac237024bd6f5902ac237024bdd0c176cb93063dc-", false},
		{"6f5902ac237024bd6f5902ac237024bdd0c176cb93063dc41", false},
		{"6f5902ac237024bd6f5902ac237024bdd0c176cb93063dcC", false},
		{"6f5902ac237024bd6f5902ac237024bdd0c176cb93063dc", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "tiger192")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d TIGER192 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d TIGER192 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "tiger192" {
					t.Fatalf("Index: %d TIGER192 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestISBNValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"foo", false},
		{"3836221195", true},
		{"1-61729-085-8", true},
		{"3 423 21412 0", true},
		{"3 401 01319 X", true},
		{"9784873113685", true},
		{"978-4-87311-368-5", true},
		{"978 3401013190", true},
		{"978-3-8362-2119-1", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "isbn")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISBN failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISBN failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "isbn" {
					t.Fatalf("Index: %d ISBN failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestISBN13Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"foo", false},
		{"3-8362-2119-5", false},
		{"01234567890ab", false},
		{"978 3 8362 2119 0", false},
		{"9784873113685", true},
		{"978-4-87311-368-5", true},
		{"978 3401013190", true},
		{"978-3-8362-2119-1", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "isbn13")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISBN13 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISBN13 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "isbn13" {
					t.Fatalf("Index: %d ISBN13 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestISBN10Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"foo", false},
		{"3423214121", false},
		{"978-3836221191", false},
		{"3-423-21412-1", false},
		{"3 423 21412 1", false},
		{"3836221195", true},
		{"1-61729-085-8", true},
		{"3 423 21412 0", true},
		{"3 401 01319 X", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "isbn10")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISBN10 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISBN10 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "isbn10" {
					t.Fatalf("Index: %d ISBN10 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestISSNValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"foo", false},
		{"20519990", false},
		{"2051-9991", false},
		{"2051-999X", false},
		{"1050-124X", true},
		{"0317-8471", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "issn")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISSN failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ISSN failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "issn" {
					t.Fatalf("Index: %d ISSN failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestExcludesRuneValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"excludesrune=☻"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "a☺b☻c☹d", Tag: "excludesrune=☻", ExpectedNil: false},
		{Value: "abcd", Tag: "excludesrune=☻", ExpectedNil: true},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestExcludesAllValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"excludesall=@!{}[]"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "abcd@!jfk", Tag: "excludesall=@!{}[]", ExpectedNil: false},
		{Value: "abcdefg", Tag: "excludesall=@!{}[]", ExpectedNil: true},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}

	username := "joeybloggs "

	errs := validate.Var(username, "excludesall=@ ")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "excludesall")

	excluded := ","

	errs = validate.Var(excluded, "excludesall=!@#$%^&*()_+.0x2C?")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "excludesall")

	excluded = "="

	errs = validate.Var(excluded, "excludesall=!@#$%^&*()_+.0x2C=?")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "excludesall")
}

func TestExcludesValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"excludes=@"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "abcd@!jfk", Tag: "excludes=@", ExpectedNil: false},
		{Value: "abcdq!jfk", Tag: "excludes=@", ExpectedNil: true},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestContainsRuneValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"containsrune=☻"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "a☺b☻c☹d", Tag: "containsrune=☻", ExpectedNil: true},
		{Value: "abcd", Tag: "containsrune=☻", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestContainsAnyValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"containsany=@!{}[]"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "abcd@!jfk", Tag: "containsany=@!{}[]", ExpectedNil: true},
		{Value: "abcdefg", Tag: "containsany=@!{}[]", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestContainsValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"contains=@"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "abcd@!jfk", Tag: "contains=@", ExpectedNil: true},
		{Value: "abcdq!jfk", Tag: "contains=@", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestIsNeFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	var j uint64
	var k float64
	s := "abcd"
	i := 1
	j = 1
	k = 1.543
	b := true
	arr := []string{"test"}
	now := time.Now().UTC()

	var j2 uint64
	var k2 float64
	s2 := "abcdef"
	i2 := 3
	j2 = 2
	k2 = 1.5434456
	b2 := false
	arr2 := []string{"test", "test2"}
	arr3 := []string{"test"}
	now2 := now

	errs = validate.VarWithValue(s, s2, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(i2, i, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(j2, j, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(k2, k, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(b2, b, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(arr2, arr, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(now2, now, "nefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "nefield")

	errs = validate.VarWithValue(arr3, arr, "nefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "nefield")

	type Test struct {
		Start *time.Time `validate:"nefield=End"`
		End   *time.Time
	}

	sv := &Test{
		Start: &now,
		End:   &now,
	}

	errs = validate.Struct(sv)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Start", "Test.Start", "Start", "Start", "nefield")

	now3 := time.Now().Add(time.Hour).UTC()

	sv = &Test{
		Start: &now,
		End:   &now3,
	}

	errs = validate.Struct(sv)
	Equal(t, errs, nil)

	errs = validate.VarWithValue(nil, 1, "nefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "nefield")

	errs = validate.VarWithValue(sv, now, "nefield")
	Equal(t, errs, nil)

	type Test2 struct {
		Start *time.Time `validate:"nefield=NonExistantField"`
		End   *time.Time
	}

	sv2 := &Test2{
		Start: &now,
		End:   &now,
	}

	errs = validate.Struct(sv2)
	Equal(t, errs, nil)

	type Other struct {
		Value string
	}

	type Test3 struct {
		Value Other
		Time  time.Time `validate:"nefield=Value"`
	}

	tst := Test3{
		Value: Other{Value: "StringVal"},
		Time:  now,
	}

	errs = validate.Struct(tst)
	Equal(t, errs, nil)

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "nefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "nefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "nefield")

	errs = validate.VarWithValue(time.Duration(0), time.Duration(0), "omitempty,nefield")
	Equal(t, errs, nil)

	// -- Validations for a struct with time.Duration type fields.

	type TimeDurationTest struct {
		First  time.Duration `validate:"nefield=Second"`
		Second time.Duration
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "nefield")

	type TimeDurationOmitemptyTest struct {
		First  time.Duration `validate:"omitempty,nefield=Second"`
		Second time.Duration
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0), time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsNeValidation(t *testing.T) {
	var errs error
	validate := New()

	var j uint64
	var k float64
	s := "abcdef"
	i := 3
	j = 2
	k = 1.5434
	arr := []string{"test"}
	now := time.Now().UTC()

	errs = validate.Var(s, "ne=abcd")
	Equal(t, errs, nil)

	errs = validate.Var(i, "ne=1")
	Equal(t, errs, nil)

	errs = validate.Var(j, "ne=1")
	Equal(t, errs, nil)

	errs = validate.Var(k, "ne=1.543")
	Equal(t, errs, nil)

	errs = validate.Var(arr, "ne=2")
	Equal(t, errs, nil)

	errs = validate.Var(arr, "ne=1")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ne")

	PanicMatches(t, func() { _ = validate.Var(now, "ne=now") }, "Bad field type time.Time")

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour-time.Minute, "ne=1h")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+time.Minute, "ne=1h")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour, "ne=1h")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ne")

	errs = validate.Var(time.Duration(0), "omitempty,ne=0")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"ne=1h"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "ne")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,ne=0"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsNeIgnoreCaseValidation(t *testing.T) {
	var errs error
	validate := New()
	s := "abcd"
	now := time.Now()

	errs = validate.Var(s, "ne_ignore_case=efgh")
	Equal(t, errs, nil)

	errs = validate.Var(s, "ne_ignore_case=AbCd")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ne_ignore_case")

	PanicMatches(
		t, func() { _ = validate.Var(now, "ne_ignore_case=abcd") }, "Bad field type time.Time",
	)
}

func TestIsEqFieldValidation(t *testing.T) {
	var errs error
	validate := New()

	var j uint64
	var k float64
	s := "abcd"
	i := 1
	j = 1
	k = 1.543
	b := true
	arr := []string{"test"}
	now := time.Now().UTC()

	var j2 uint64
	var k2 float64
	s2 := "abcd"
	i2 := 1
	j2 = 1
	k2 = 1.543
	b2 := true
	arr2 := []string{"test"}
	arr3 := []string{"test", "test2"}
	now2 := now

	errs = validate.VarWithValue(s, s2, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(i2, i, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(j2, j, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(k2, k, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(b2, b, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(arr2, arr, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(now2, now, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(arr3, arr, "eqfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqfield")

	type Test struct {
		Start *time.Time `validate:"eqfield=End"`
		End   *time.Time
	}

	sv := &Test{
		Start: &now,
		End:   &now,
	}

	errs = validate.Struct(sv)
	Equal(t, errs, nil)

	now3 := time.Now().Add(time.Hour).UTC()

	sv = &Test{
		Start: &now,
		End:   &now3,
	}

	errs = validate.Struct(sv)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Start", "Test.Start", "Start", "Start", "eqfield")

	errs = validate.VarWithValue(nil, 1, "eqfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqfield")

	channel := make(chan string)
	errs = validate.VarWithValue(5, channel, "eqfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqfield")

	errs = validate.VarWithValue(5, now, "eqfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqfield")

	type Test2 struct {
		Start *time.Time `validate:"eqfield=NonExistantField"`
		End   *time.Time
	}

	sv2 := &Test2{
		Start: &now,
		End:   &now,
	}

	errs = validate.Struct(sv2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test2.Start", "Test2.Start", "Start", "Start", "eqfield")

	type Inner struct {
		Name string
	}

	type TStruct struct {
		Inner     *Inner
		CreatedAt *time.Time `validate:"eqfield=Inner"`
	}

	inner := &Inner{
		Name: "NAME",
	}

	test := &TStruct{
		Inner:     inner,
		CreatedAt: &now,
	}

	errs = validate.Struct(test)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TStruct.CreatedAt", "TStruct.CreatedAt", "CreatedAt", "CreatedAt", "eqfield")

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour, "eqfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "eqfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqfield")

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "eqfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eqfield")

	errs = validate.VarWithValue(time.Duration(0), time.Hour, "omitempty,eqfield")
	Equal(t, errs, nil)

	// -- Validations for a struct with time.Duration type fields.

	type TimeDurationTest struct {
		First  time.Duration `validate:"eqfield=Second"`
		Second time.Duration
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "eqfield")

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "eqfield")

	type TimeDurationOmitemptyTest struct {
		First  time.Duration `validate:"omitempty,eqfield=Second"`
		Second time.Duration
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0), time.Hour}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsEqFieldValidationWithAliasTime(t *testing.T) {
	var errs error
	validate := New()

	type CustomTime time.Time

	type Test struct {
		Start CustomTime `validate:"eqfield=End"`
		End   *time.Time
	}

	now := time.Now().UTC()

	sv := &Test{
		Start: CustomTime(now),
		End:   &now,
	}

	errs = validate.Struct(sv)
	Equal(t, errs, nil)
}

func TestIsEqValidation(t *testing.T) {
	var errs error
	validate := New()

	var j uint64
	var k float64
	s := "abcd"
	i := 1
	j = 1
	k = 1.543
	arr := []string{"test"}
	now := time.Now().UTC()

	errs = validate.Var(s, "eq=abcd")
	Equal(t, errs, nil)

	errs = validate.Var(i, "eq=1")
	Equal(t, errs, nil)

	errs = validate.Var(j, "eq=1")
	Equal(t, errs, nil)

	errs = validate.Var(k, "eq=1.543")
	Equal(t, errs, nil)

	errs = validate.Var(arr, "eq=1")
	Equal(t, errs, nil)

	errs = validate.Var(arr, "eq=2")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eq")

	PanicMatches(t, func() { _ = validate.Var(now, "eq=now") }, "Bad field type time.Time")

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "eq=1h")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-time.Minute, "eq=1h")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eq")

	errs = validate.Var(time.Hour+time.Minute, "eq=1h")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "eq")

	errs = validate.Var(time.Duration(0), "omitempty,eq=1h")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"eq=1h"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "eq")

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "eq")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,eq=1h"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsEqIgnoreCaseValidation(t *testing.T) {
	var errs error
	validate := New()
	s := "abcd"
	now := time.Now()

	errs = validate.Var(s, "eq_ignore_case=abcd")
	Equal(t, errs, nil)

	errs = validate.Var(s, "eq_ignore_case=AbCd")
	Equal(t, errs, nil)

	PanicMatches(
		t, func() { _ = validate.Var(now, "eq_ignore_case=abcd") }, "Bad field type time.Time",
	)
}

func TestOneOfValidation(t *testing.T) {
	validate := New()

	passSpecs := []struct {
		f interface{}
		t string
	}{
		{f: "red", t: "oneof=red green"},
		{f: "green", t: "oneof=red green"},
		{f: "red green", t: "oneof='red green' blue"},
		{f: "blue", t: "oneof='red green' blue"},
		{f: 5, t: "oneof=5 6"},
		{f: 6, t: "oneof=5 6"},
		{f: int8(6), t: "oneof=5 6"},
		{f: int16(6), t: "oneof=5 6"},
		{f: int32(6), t: "oneof=5 6"},
		{f: int64(6), t: "oneof=5 6"},
		{f: uint(6), t: "oneof=5 6"},
		{f: uint8(6), t: "oneof=5 6"},
		{f: uint16(6), t: "oneof=5 6"},
		{f: uint32(6), t: "oneof=5 6"},
		{f: uint64(6), t: "oneof=5 6"},
	}

	for _, spec := range passSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		Equal(t, errs, nil)
	}

	failSpecs := []struct {
		f interface{}
		t string
	}{
		{f: "", t: "oneof=red green"},
		{f: "yellow", t: "oneof=red green"},
		{f: "green", t: "oneof='red green' blue"},
		{f: 5, t: "oneof=red green"},
		{f: 6, t: "oneof=red green"},
		{f: 6, t: "oneof=7"},
		{f: uint(6), t: "oneof=7"},
		{f: int8(5), t: "oneof=red green"},
		{f: int16(5), t: "oneof=red green"},
		{f: int32(5), t: "oneof=red green"},
		{f: int64(5), t: "oneof=red green"},
		{f: uint(5), t: "oneof=red green"},
		{f: uint8(5), t: "oneof=red green"},
		{f: uint16(5), t: "oneof=red green"},
		{f: uint32(5), t: "oneof=red green"},
		{f: uint64(5), t: "oneof=red green"},
	}

	for _, spec := range failSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		AssertError(t, errs, "", "", "", "", "oneof")
	}

	PanicMatches(t, func() {
		_ = validate.Var(3.14, "oneof=red green")
	}, "Bad field type float64")
}

func TestOneOfCIValidation(t *testing.T) {
	validate := New()

	passSpecs := []struct {
		f interface{}
		t string
	}{
		{f: "red", t: "oneofci=RED GREEN"},
		{f: "RED", t: "oneofci=red green"},
		{f: "red", t: "oneofci=red green"},
		{f: "RED", t: "oneofci=RED GREEN"},
		{f: "green", t: "oneofci=red green"},
		{f: "red green", t: "oneofci='red green' blue"},
		{f: "blue", t: "oneofci='red green' blue"},
		{f: "GREEN", t: "oneofci=Red Green"},
		{f: "ReD", t: "oneofci=RED GREEN"},
		{f: "gReEn", t: "oneofci=rEd GrEeN"},
		{f: "RED GREEN", t: "oneofci='red green' blue"},
		{f: "red Green", t: "oneofci='RED GREEN' Blue"},
		{f: "Red green", t: "oneofci='Red Green' BLUE"},
		{f: "rEd GrEeN", t: "oneofci='ReD gReEn' BlUe"},
		{f: "BLUE", t: "oneofci='Red Green' BLUE"},
		{f: "BlUe", t: "oneofci='RED GREEN' Blue"},
		{f: "bLuE", t: "oneofci='red green' BLUE"},
	}

	for _, spec := range passSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		Equal(t, errs, nil)
	}

	failSpecs := []struct {
		f interface{}
		t string
	}{
		{f: "", t: "oneofci=red green"},
		{f: "yellow", t: "oneofci=red green"},
		{f: "green", t: "oneofci='red green' blue"},
	}

	for _, spec := range failSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		AssertError(t, errs, "", "", "", "", "oneofci")
	}

	panicSpecs := []struct {
		f interface{}
		t string
	}{
		{f: 3.14, t: "oneofci=red green"},
		{f: 5, t: "oneofci=red green"},
		{f: uint(6), t: "oneofci=7"},
		{f: int8(5), t: "oneofci=red green"},
		{f: int16(5), t: "oneofci=red green"},
		{f: int32(5), t: "oneofci=red green"},
		{f: int64(5), t: "oneofci=red green"},
		{f: uint(5), t: "oneofci=red green"},
		{f: uint8(5), t: "oneofci=red green"},
		{f: uint16(5), t: "oneofci=red green"},
		{f: uint32(5), t: "oneofci=red green"},
		{f: uint64(5), t: "oneofci=red green"},
	}

	panicCount := 0
	for _, spec := range panicSpecs {
		t.Logf("%#v", spec)
		PanicMatches(t, func() {
			_ = validate.Var(spec.f, spec.t)
		}, fmt.Sprintf("Bad field type %T", spec.f))
		panicCount++
	}
	Equal(t, panicCount, len(panicSpecs))
}

func TestNoneOfValidation(t *testing.T) {
	validate := New()

	passSpecs := []struct {
		f any
		t string
	}{
		{f: "", t: "noneof=red green"},
		{f: "yellow", t: "noneof=red green"},
		{f: "green", t: "noneof='red green' blue"},
		{f: 5, t: "noneof=red green"},
		{f: 6, t: "noneof=red green"},
		{f: 6, t: "noneof=7"},
		{f: int8(5), t: "noneof=red green"},
		{f: int16(5), t: "noneof=red green"},
		{f: int32(5), t: "noneof=red green"},
		{f: int64(5), t: "noneof=red green"},
		{f: uint(6), t: "noneof=7"},
		{f: uint8(6), t: "noneof=7"},
		{f: uint16(6), t: "noneof=7"},
		{f: uint32(6), t: "noneof=7"},
		{f: uint64(6), t: "noneof=7"},
	}
	for _, spec := range passSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		Equal(t, errs, nil)
	}

	failSpecs := []struct {
		f any
		t string
	}{
		{f: "red", t: "noneof=red green"},
		{f: "green", t: "noneof=red green"},
		{f: "red green", t: "noneof='red green' blue'"},
		{f: "blue", t: "noneof='red green' blue'"},
		{f: 5, t: "noneof=5 6"},
		{f: 6, t: "noneof=5 6"},
		{f: int8(6), t: "noneof=5 6"},
		{f: int16(6), t: "noneof=5 6"},
		{f: int32(6), t: "noneof=5 6"},
		{f: int64(6), t: "noneof=5 6"},
		{f: uint(6), t: "noneof=5 6"},
		{f: uint8(6), t: "noneof=5 6"},
		{f: uint16(6), t: "noneof=5 6"},
		{f: uint32(6), t: "noneof=5 6"},
		{f: uint64(6), t: "noneof=5 6"},
	}
	for _, spec := range failSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		AssertError(t, errs, "", "", "", "", "noneof")
	}

	PanicMatches(t, func() {
		_ = validate.Var(3.14, "noneof=red green")
	}, "Bad field type float64")
}

func TestNoneOfCIValidation(t *testing.T) {
	validate := New()

	passSpecs := []struct {
		f any
		t string
	}{
		{f: "", t: "noneofci=red green"},
		{f: "yellow", t: "noneofci=red green"},
		{f: "green", t: "noneofci='red yellow' blue"},
		{f: "RED", t: "noneofci=blue green"},
		{f: "RED", t: "noneofci=BLUE GREEN"},
		{f: "ReD", t: "noneofci=BLUE GREEN"},
		{f: "gReEn", t: "noneofci=rEd BlUe"},
		{f: "red Green", t: "noneofci='BLUE YELLOW' Orange"},
		{f: "Red green", t: "noneofci='Blue Yellow' ORANGE"},
		{f: "rEd GrEeN", t: "noneofci='bLuE YeLlOw' OrAnGe"},
		{f: "BlUe", t: "noneofci='RED GREEN' Yellow"},
		{f: "bLuE", t: "noneofci='red green' YELLOW"},
	}
	for _, spec := range passSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		Equal(t, errs, nil)
	}

	failSpecs := []struct {
		f any
		t string
	}{
		{f: "red", t: "noneofci=red green"},
		{f: "green", t: "noneofci=red green"},
		{f: "red green", t: "noneofci='red green' blue'"},
	}
	for _, spec := range failSpecs {
		t.Logf("%#v", spec)
		errs := validate.Var(spec.f, spec.t)
		AssertError(t, errs, "", "", "", "", "noneofci")
	}

	panicSpecs := []struct {
		f any
		t string
	}{
		{f: 3.14, t: "noneofci=red green"},
		{f: 5, t: "noneofci=red green"},
		{f: int8(5), t: "noneofci=red green"},
		{f: int16(5), t: "noneofci=red green"},
		{f: int32(5), t: "noneofci=red green"},
		{f: int64(5), t: "noneofci=red green"},
		{f: uint(5), t: "noneofci=red green"},
		{f: uint8(5), t: "noneofci=red green"},
		{f: uint16(5), t: "noneofci=red green"},
		{f: uint32(5), t: "noneofci=red green"},
		{f: uint64(5), t: "noneofci=red green"},
	}
	panicCount := 0
	for _, spec := range panicSpecs {
		t.Logf("%#v", spec)
		PanicMatches(t, func() {
			_ = validate.Var(spec.f, spec.t)
		}, fmt.Sprintf("Bad field type %T", spec.f))
		panicCount++
	}
	Equal(t, panicCount, len(panicSpecs))
}

func TestBase32Validation(t *testing.T) {
	validate := New()

	s := "ABCD2345"
	errs := validate.Var(s, "base32")
	Equal(t, errs, nil)

	s = "AB======"
	errs = validate.Var(s, "base32")
	Equal(t, errs, nil)

	s = "ABCD2==="
	errs = validate.Var(s, "base32")
	Equal(t, errs, nil)

	s = "ABCD===="
	errs = validate.Var(s, "base32")
	Equal(t, errs, nil)

	s = "ABCD234="
	errs = validate.Var(s, "base32")
	Equal(t, errs, nil)

	s = ""
	errs = validate.Var(s, "base32")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "base32")

	s = "ABCabc1890== foo bar"
	errs = validate.Var(s, "base32")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "base32")
}

func TestBase64Validation(t *testing.T) {
	validate := New()

	s := "dW5pY29ybg=="

	errs := validate.Var(s, "base64")
	Equal(t, errs, nil)

	s = "dGhpIGlzIGEgdGVzdCBiYXNlNjQ="
	errs = validate.Var(s, "base64")
	Equal(t, errs, nil)

	s = ""
	errs = validate.Var(s, "base64")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "base64")

	s = "dW5pY29ybg== foo bar"
	errs = validate.Var(s, "base64")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "base64")
}

func TestBase64URLValidation(t *testing.T) {
	validate := New()

	testCases := []struct {
		decoded, encoded string
		success          bool
	}{
		// empty string, although a valid base64 string, should fail
		{"", "", false},
		// invalid length
		{"", "a", false},
		// base64 with padding
		{"f", "Zg==", true},
		{"fo", "Zm8=", true},
		// base64 without padding
		{"foo", "Zm9v", true},
		{"", "Zg", false},
		{"", "Zm8", false},
		// base64 URL safe encoding with invalid, special characters '+' and '/'
		{"\x14\xfb\x9c\x03\xd9\x7e", "FPucA9l+", false},
		{"\x14\xfb\x9c\x03\xf9\x73", "FPucA/lz", false},
		// base64 URL safe encoding with valid, special characters '-' and '_'
		{"\x14\xfb\x9c\x03\xd9\x7e", "FPucA9l-", true},
		{"\x14\xfb\x9c\x03\xf9\x73", "FPucA_lz", true},
		// non base64 characters
		{"", "@mc=", false},
		{"", "Zm 9", false},
	}
	for _, tc := range testCases {
		err := validate.Var(tc.encoded, "base64url")
		if tc.success {
			Equal(t, err, nil)
			// make sure encoded value is decoded back to the expected value
			d, innerErr := base64.URLEncoding.DecodeString(tc.encoded)
			Equal(t, innerErr, nil)
			Equal(t, tc.decoded, string(d))
		} else {
			NotEqual(t, err, nil)
			if len(tc.encoded) > 0 {
				// make sure that indeed the encoded value was faulty
				_, err := base64.URLEncoding.DecodeString(tc.encoded)
				NotEqual(t, err, nil)
			}
		}
	}
}

func TestBase64RawURLValidation(t *testing.T) {
	validate := New()

	testCases := []struct {
		decoded, encoded string
		success          bool
	}{
		// empty string, although a valid base64 string, should fail
		{"", "", false},
		// invalid length
		{"", "a", false},
		// base64 with padding should fail
		{"f", "Zg==", false},
		{"fo", "Zm8=", false},
		// base64 without padding
		{"foo", "Zm9v", true},
		{"hello", "aGVsbG8", true},
		{"", "aGVsb", false},
		// // base64 URL safe encoding with invalid, special characters '+' and '/'
		{"\x14\xfb\x9c\x03\xd9\x7e", "FPucA9l+", false},
		{"\x14\xfb\x9c\x03\xf9\x73", "FPucA/lz", false},
		// // base64 URL safe encoding with valid, special characters '-' and '_'
		{"\x14\xfb\x9c\x03\xd9\x7e", "FPucA9l-", true},
		{"\x14\xfb\x9c\x03\xf9\x73", "FPucA_lz", true},
		// non base64 characters
		{"", "@mc=", false},
		{"", "Zm 9", false},
	}
	for _, tc := range testCases {
		err := validate.Var(tc.encoded, "base64rawurl")
		if tc.success {
			Equal(t, err, nil)
			// make sure encoded value is decoded back to the expected value
			d, innerErr := base64.RawURLEncoding.DecodeString(tc.encoded)
			Equal(t, innerErr, nil)
			Equal(t, tc.decoded, string(d))
		} else {
			NotEqual(t, err, nil)
			if len(tc.encoded) > 0 {
				// make sure that indeed the encoded value was faulty
				_, err := base64.RawURLEncoding.DecodeString(tc.encoded)
				NotEqual(t, err, nil)
			}
		}
	}
}

func TestFileValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		title    string
		param    string
		expected bool
	}{
		{"empty path", "", false},
		{"regular file", filepath.Join("testdata", "a.go"), true},
		{"missing file", filepath.Join("testdata", "no.go"), false},
		{"directory, not a file", "testdata", false},
	}

	for _, test := range tests {
		errs := validate.Var(test.param, "file")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(6, "file")
	}, "Bad field type int")
}

func TestImageValidation(t *testing.T) {
	validate := New()

	tmpDir := t.TempDir()

	paths := map[string]string{
		"empty":     "",
		"directory": "testdata",
		"missing":   filepath.Join(tmpDir, "none.png"),
		"png":       filepath.Join(tmpDir, "image.png"),
		"jpeg":      filepath.Join(tmpDir, "image.jpg"),
		"mp3":       filepath.Join(tmpDir, "music.mp3"),
	}

	tests := []struct {
		title        string
		param        string
		expected     bool
		createImage  func()
		destroyImage func()
	}{
		{
			"empty path",
			paths["empty"], false,
			func() {},
			func() {},
		},
		{
			"directory, not a file",
			paths["directory"],
			false,
			func() {},
			func() {},
		},
		{
			"missing file",
			paths["missing"],
			false,
			func() {},
			func() {},
		},
		{
			"valid png",
			paths["png"],
			true,
			func() {
				img := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{10, 10}})
				f, err := os.Create(paths["png"])
				Equal(t, err, nil)
				defer func() {
					_ = f.Close()
				}()

				err = png.Encode(f, img)
				Equal(t, err, nil)
			},
			func() {
				err := os.Remove(paths["png"])
				Equal(t, err, nil)
			},
		},
		{
			"valid jpeg",
			paths["jpeg"],
			true,
			func() {
				var opt jpeg.Options
				img := image.NewGray(image.Rect(0, 0, 10, 10))
				f, err := os.Create(paths["jpeg"])
				Equal(t, err, nil)
				defer func() {
					_ = f.Close()
				}()

				err = jpeg.Encode(f, img, &opt)
				Equal(t, err, nil)
			},
			func() {
				err := os.Remove(paths["jpeg"])
				Equal(t, err, nil)
			},
		},
		{
			"valid mp3",
			paths["mp3"],
			false,
			func() {},
			func() {},
		},
	}

	for _, test := range tests {
		test.createImage()
		errs := validate.Var(test.param, "image")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		}
		test.destroyImage()
	}

	PanicMatches(t, func() {
		_ = validate.Var(6, "image")
	}, "Bad field type int")
}

func TestMIMETypeValidation(t *testing.T) {
	validate := New()

	tmpDir := t.TempDir()

	paths := map[string]string{
		"empty":     "",
		"directory": "testdata",
		"missing":   filepath.Join(tmpDir, "none.png"),
		"png":       filepath.Join(tmpDir, "image.png"),
		"jpeg":      filepath.Join(tmpDir, "image.jpg"),
		"go":        filepath.Join("testdata", "a.go"),
	}

	tests := []struct {
		title      string
		param      string
		tag        string
		expected   bool
		createFile func()
	}{
		{
			title:      "empty path",
			param:      paths["empty"],
			tag:        "mimetype=image/png",
			expected:   false,
			createFile: func() {},
		},
		{
			title:      "directory, not a file",
			param:      paths["directory"],
			tag:        "mimetype=image/png",
			expected:   false,
			createFile: func() {},
		},
		{
			title:      "missing file",
			param:      paths["missing"],
			tag:        "mimetype=image/png",
			expected:   false,
			createFile: func() {},
		},
		{
			title:    "exact png match",
			param:    paths["png"],
			tag:      "mimetype=image/png",
			expected: true,
			createFile: func() {
				img := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{10, 10}})
				f, err := os.Create(paths["png"])
				Equal(t, err, nil)
				defer func() {
					_ = f.Close()
				}()

				err = png.Encode(f, img)
				Equal(t, err, nil)
			},
		},
		{
			title:    "type wildcard png match",
			param:    paths["png"],
			tag:      "mimetype=image/*",
			expected: true,
			createFile: func() {
				img := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{10, 10}})
				f, err := os.Create(paths["png"])
				Equal(t, err, nil)
				defer func() {
					_ = f.Close()
				}()

				err = png.Encode(f, img)
				Equal(t, err, nil)
			},
		},
		{
			title:    "type wildcard jpeg match",
			param:    paths["jpeg"],
			tag:      "mimetype=image/*",
			expected: true,
			createFile: func() {
				var opt jpeg.Options
				img := image.NewGray(image.Rect(0, 0, 10, 10))
				f, err := os.Create(paths["jpeg"])
				Equal(t, err, nil)
				defer func() {
					_ = f.Close()
				}()

				err = jpeg.Encode(f, img, &opt)
				Equal(t, err, nil)
			},
		},
		{
			title:      "type mismatch",
			param:      paths["go"],
			tag:        "mimetype=image/*",
			expected:   false,
			createFile: func() {},
		},
		{
			title:    "subtype mismatch",
			param:    paths["png"],
			tag:      "mimetype=image/jpeg",
			expected: false,
			createFile: func() {
				img := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{10, 10}})
				f, err := os.Create(paths["png"])
				Equal(t, err, nil)
				defer func() {
					_ = f.Close()
				}()

				err = png.Encode(f, img)
				Equal(t, err, nil)
			},
		},
		{
			title:      "invalid validator param missing subtype",
			param:      paths["go"],
			tag:        "mimetype=image",
			expected:   false,
			createFile: func() {},
		},
	}

	for _, test := range tests {
		test.createFile()
		errs := validate.Var(test.param, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(6, "mimetype=image/png")
	}, "Bad field type int")
}

func TestFilePathValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		title    string
		param    string
		expected bool
	}{
		{"empty filepath", "", false},
		{"valid filepath", filepath.Join("testdata", "a.go"), true},
		{"invalid filepath", filepath.Join("testdata", "no\000.go"), false},
		{"directory, not a filepath", "testdata" + string(os.PathSeparator), false},
		{"directory", "testdata", false},
	}

	for _, test := range tests {
		errs := validate.Var(test.param, "filepath")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(6, "filepath")
	}, "Bad field type int")
}

func TestEthereumAddressValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		param    string
		expected bool
	}{
		// All caps.
		{"0x52908400098527886E0F7030069857D2E4169EE7", true},
		{"0x8617E340B3D01FA5F11F306F4090FD50E238070D", true},

		// All lower.
		{"0xde709f2102306220921060314715629080e2fb77", true},
		{"0x27b1fdb04752bbc536007a920d24acb045561c26", true},
		{"0x123f681646d4a755815f9cb19e1acc8565a0c2ac", true},

		// Mixed case: runs checksum validation.
		{"0x02F9AE5f22EA3fA88F05780B30385bECFacbf130", true},
		{"0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed", true},
		{"0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359", true},
		{"0xdbF03B407c01E7cD3CBea99509d93f8DDDC8C6FB", true},
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb", true},
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDB", true}, // Invalid checksum, but valid address.

		// Other.
		{"", false},
		{"D1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb", false},    // Missing "0x" prefix.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDbc", false}, // More than 40 hex digits.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aD", false},   // Less than 40 hex digits.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDw", false},  // Invalid hex digit "w".
	}

	for i, test := range tests {
		errs := validate.Var(test.param, "eth_addr")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d eth_addr failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d eth_addr failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "eth_addr" {
					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestEthereumAddressChecksumValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		param    string
		expected bool
	}{
		// All caps.
		{"0x52908400098527886E0F7030069857D2E4169EE7", true},
		{"0x8617E340B3D01FA5F11F306F4090FD50E238070D", true},

		// All lower.
		{"0x27b1fdb04752bbc536007a920d24acb045561c26", true},
		{"0x123f681646d4a755815f9cb19e1acc8565a0c2ac", false},

		// Mixed case: runs checksum validation.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb", true},
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDB", false}, // Invalid checksum.
		{"0x000000000000000000000000000000000000dead", false}, // Invalid checksum.
		{"0x000000000000000000000000000000000000dEaD", true},  // Valid checksum.

		// Other.
		{"", false},
		{"D1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb", false},    // Missing "0x" prefix.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDbc", false}, // More than 40 hex digits.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aD", false},   // Less than 40 hex digits.
		{"0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDw", false},  // Invalid hex digit "w".
	}

	for i, test := range tests {
		errs := validate.Var(test.param, "eth_addr_checksum")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d eth_addr_checksum failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d eth_addr_checksum failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "eth_addr_checksum" {
					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestBitcoinAddressValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"x", false},
		{"0x02F9AE5f22EA3fA88F05780B30385bEC", false},
		{"1A1zP1ePQGefi2DMPTifTL5SLmv7DivfNa", false},
		{"1P9RQEr2XeE3PEb44ZE35sfZRRW1JH8Uqx", false},
		{"3P14159I73E4gFr7JterCCQh9QjiTjiZrG", false},
		{"3P141597f3E4gFr7JterCCQh9QjiTjiZrG", false},
		{"37qgekLpCCHrQuSjvX3fs496FWTGsHFHizjJAs6NPcR47aefnnCWECAhHV6E3g4YN7u7Yuwod5Y", false},
		{"dzb7VV1Ui55BARxv7ATxAtCUeJsANKovDGWFVgpTbhq9gvPqP3yv", false},
		{"MuNu7ZAEDFiHthiunm7dPjwKqrVNCM3mAz6rP9zFveQu14YA8CxExSJTHcVP9DErn6u84E6Ej7S", false},
		{"rPpQpYknyNQ5AEHuY6H8ijJJrYc2nDKKk9jjmKEXsWzyAQcFGpDLU2Zvsmoi8JLR7hAwoy3RQWf", false},
		{"4Uc3FmN6NQ6zLBK5QQBXRBUREaaHwCZYsGCueHauuDmJpZKn6jkEskMB2Zi2CNgtb5r6epWEFfUJq", false},
		{"7aQgR5DFQ25vyXmqZAWmnVCjL3PkBcdVkBUpjrjMTcghHx3E8wb", false},
		{"17QpPprjeg69fW1DV8DcYYCKvWjYhXvWkov6MJ1iTTvMFj6weAqW7wybZeH57WTNxXVCRH4veVs", false},
		{"KxuACDviz8Xvpn1xAh9MfopySZNuyajYMZWz16Dv2mHHryznWUp3", false},
		{"7nK3GSmqdXJQtdohvGfJ7KsSmn3TmGqExug49583bDAL91pVSGq5xS9SHoAYL3Wv3ijKTit65th", false},
		{"cTivdBmq7bay3RFGEBBuNfMh2P1pDCgRYN2Wbxmgwr4ki3jNUL2va", false},
		{"gjMV4vjNjyMrna4fsAr8bWxAbwtmMUBXJS3zL4NJt5qjozpbQLmAfK1uA3CquSqsZQMpoD1g2nk", false},
		{"emXm1naBMoVzPjbk7xpeTVMFy4oDEe25UmoyGgKEB1gGWsK8kRGs", false},
		{"7VThQnNRj1o3Zyvc7XHPRrjDf8j2oivPTeDXnRPYWeYGE4pXeRJDZgf28ppti5hsHWXS2GSobdqyo", false},
		{"1G9u6oCVCPh2o8m3t55ACiYvG1y5BHewUkDSdiQarDcYXXhFHYdzMdYfUAhfxn5vNZBwpgUNpso", false},
		{"31QQ7ZMLkScDiB4VyZjuptr7AEc9j1SjstF7pRoLhHTGkW4Q2y9XELobQmhhWxeRvqcukGd1XCq", false},
		{"DHqKSnpxa8ZdQyH8keAhvLTrfkyBMQxqngcQA5N8LQ9KVt25kmGN", false},
		{"2LUHcJPbwLCy9GLH1qXmfmAwvadWw4bp4PCpDfduLqV17s6iDcy1imUwhQJhAoNoN1XNmweiJP4i", false},
		{"7USRzBXAnmck8fX9HmW7RAb4qt92VFX6soCnts9s74wxm4gguVhtG5of8fZGbNPJA83irHVY6bCos", false},
		{"1DGezo7BfVebZxAbNT3XGujdeHyNNBF3vnficYoTSp4PfK2QaML9bHzAMxke3wdKdHYWmsMTJVu", false},
		{"2D12DqDZKwCxxkzs1ZATJWvgJGhQ4cFi3WrizQ5zLAyhN5HxuAJ1yMYaJp8GuYsTLLxTAz6otCfb", false},
		{"8AFJzuTujXjw1Z6M3fWhQ1ujDW7zsV4ePeVjVo7D1egERqSW9nZ", false},
		{"163Q17qLbTCue8YY3AvjpUhotuaodLm2uqMhpYirsKjVqnxJRWTEoywMVY3NbBAHuhAJ2cF9GAZ", false},
		{"2MnmgiRH4eGLyLc9eAqStzk7dFgBjFtUCtu", false},
		{"461QQ2sYWxU7H2PV4oBwJGNch8XVTYYbZxU", false},
		{"2UCtv53VttmQYkVU4VMtXB31REvQg4ABzs41AEKZ8UcB7DAfVzdkV9JDErwGwyj5AUHLkmgZeobs", false},
		{"cSNjAsnhgtiFMi6MtfvgscMB2Cbhn2v1FUYfviJ1CdjfidvmeW6mn", false},
		{"gmsow2Y6EWAFDFE1CE4Hd3Tpu2BvfmBfG1SXsuRARbnt1WjkZnFh1qGTiptWWbjsq2Q6qvpgJVj", false},
		{"nksUKSkzS76v8EsSgozXGMoQFiCoCHzCVajFKAXqzK5on9ZJYVHMD5CKwgmX3S3c7M1U3xabUny", false},
		{"L3favK1UzFGgdzYBF2oBT5tbayCo4vtVBLJhg2iYuMeePxWG8SQc", false},
		{"7VxLxGGtYT6N99GdEfi6xz56xdQ8nP2dG1CavuXx7Rf2PrvNMTBNevjkfgs9JmkcGm6EXpj8ipyPZ ", false},
		{"2mbZwFXF6cxShaCo2czTRB62WTx9LxhTtpP", false},
		{"dB7cwYdcPSgiyAwKWL3JwCVwSk6epU2txw", false},
		{"HPhFUhUAh8ZQQisH8QQWafAxtQYju3SFTX", false},
		{"4ctAH6AkHzq5ioiM1m9T3E2hiYEev5mTsB", false},
		{"31uEbMgunupShBVTewXjtqbBv5MndwfXhb", false},
		{"175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W", false},
		{"Hn1uFi4dNexWrqARpjMqgT6cX1UsNPuV3cHdGg9ExyXw8HTKadbktRDtdeVmY3M1BxJStiL4vjJ", false},
		{"Sq3fDbvutABmnAHHExJDgPLQn44KnNC7UsXuT7KZecpaYDMU9Txs", false},
		{"6TqWyrqdgUEYDQU1aChMuFMMEimHX44qHFzCUgGfqxGgZNMUVWJ", false},
		{"giqJo7oWqFxNKWyrgcBxAVHXnjJ1t6cGoEffce5Y1y7u649Noj5wJ4mmiUAKEVVrYAGg2KPB3Y4", false},
		{"cNzHY5e8vcmM3QVJUcjCyiKMYfeYvyueq5qCMV3kqcySoLyGLYUK", false},
		{"37uTe568EYc9WLoHEd9jXEvUiWbq5LFLscNyqvAzLU5vBArUJA6eydkLmnMwJDjkL5kXc2VK7ig", false},
		{"EsYbG4tWWWY45G31nox838qNdzksbPySWc", false},
		{"nbuzhfwMoNzA3PaFnyLcRxE9bTJPDkjZ6Rf6Y6o2ckXZfzZzXBT", false},
		{"cQN9PoxZeCWK1x56xnz6QYAsvR11XAce3Ehp3gMUdfSQ53Y2mPzx", false},
		{"1Gm3N3rkef6iMbx4voBzaxtXcmmiMTqZPhcuAepRzYUJQW4qRpEnHvMojzof42hjFRf8PE2jPde", false},
		{"2TAq2tuN6x6m233bpT7yqdYQPELdTDJn1eU", false},
		{"ntEtnnGhqPii4joABvBtSEJG6BxjT2tUZqE8PcVYgk3RHpgxgHDCQxNbLJf7ardf1dDk2oCQ7Cf", false},
		{"Ky1YjoZNgQ196HJV3HpdkecfhRBmRZdMJk89Hi5KGfpfPwS2bUbfd", false},
		{"2A1q1YsMZowabbvta7kTy2Fd6qN4r5ZCeG3qLpvZBMzCixMUdkN2Y4dHB1wPsZAeVXUGD83MfRED", false},
		{"1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62i", true},
		{"1Ax4gZtb7gAit2TivwejZHYtNNLT18PUXJ", true},
		{"1C5bSj1iEGUgSTbziymG7Cn18ENQuT36vv", true},
		{"1Gqk4Tv79P91Cc1STQtU3s1W6277M2CVWu", true},
		{"1JwMWBVLtiqtscbaRHai4pqHokhFCbtoB4", true},
		{"19dcawoKcZdQz365WpXWMhX6QCUpR9SY4r", true},
		{"13p1ijLwsnrcuyqcTvJXkq2ASdXqcnEBLE", true},
		{"1BvBMSEYstWetqTFn5Au4m4GFg7xJaNVN2", true},
		{"3P14159f73E4gFr7JterCCQh9QjiTjiZrG", true},
		{"3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou", true},
		{"3QjYXhTkvuj8qPaXHTTWb5wjXhdsLAAWVy", true},
		{"3AnNxabYGoTxYiTEZwFEnerUoeFXK2Zoks", true},
		{"33vt8ViH5jsr115AGkW6cEmEz9MpvJSwDk", true},
		{"3QCzvfL4ZRvmJFiWWBVwxfdaNBT8EtxB5y", true},
		{"37Sp6Rv3y4kVd1nQ1JV5pfqXccHNyZm1x3", true},
		{"3ALJH9Y951VCGcVZYAdpA3KchoP9McEj1G", true},
		{"12KYrjTdVGjFMtaxERSk3gphreJ5US8aUP", true},
		{"12QeMLzSrB8XH8FvEzPMVoRxVAzTr5XM2y", true},
		{"1oNLrsHnBcR6dpaBpwz3LSwutbUNkNSjs", true},
		{"1SQHtwR5oJRKLfiWQ2APsAd9miUc4k2ez", true},
		{"116CGDLddrZhMrTwhCVJXtXQpxygTT1kHd", true},
		{"3NJZLcZEEYBpxYEUGewU4knsQRn1WM5Fkt", true},
	}

	for i, test := range tests {
		errs := validate.Var(test.param, "btc_addr")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d btc_addr failed with Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d btc_addr failed with Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "btc_addr" {
					t.Fatalf("Index: %d Latitude failed with Error: %s", i, errs)
				}
			}
		}
	}
}

func TestBitcoinBech32AddressValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"bc1rw5uspcuh", false},
		{"bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t5", false},
		{"BC13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2", false},
		{"qw508d6qejxtdg4y5r3zarvary0c5xw7kg3g4ty", false},
		{"bc1rw5uspcuh", false},
		{"bc10w508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kw5rljs90", false},
		{"BC1QW508d6QEJxTDG4y5R3ZArVARY0C5XW7KV8F3T4", false},
		{"BC1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P", false},
		{"bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t5", false},
		{"bc10w508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kw5rljs90", false},
		{"bc1pw508d6qejxtdg4y5r3zarqfsj6c3", false},
		{"bc1zw508d6qejxtdg4y5r3zarvaryvqyzf3du", false},
		{"bc1gmk9yu", false},
		{"bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv", false},
		{"BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4", true},
		{"bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx", true},
		{"bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3", true},
		{"BC1SW50QA3JX3S", true},
		{"bc1zw508d6qejxtdg4y5r3zarvaryvg6kdaj", true},
	}

	for i, test := range tests {
		errs := validate.Var(test.param, "btc_addr_bech32")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d btc_addr_bech32 failed with Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d btc_addr_bech32 failed with Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "btc_addr_bech32" {
					t.Fatalf("Index: %d Latitude failed with Error: %s", i, errs)
				}
			}
		}
	}
}

func TestNoStructLevelValidation(t *testing.T) {
	type Inner struct {
		Test string `validate:"len=5"`
	}

	type Outer struct {
		InnerStruct    Inner  `validate:"required,nostructlevel"`
		InnerStructPtr *Inner `validate:"required,nostructlevel"`
	}

	outer := &Outer{
		InnerStructPtr: nil,
		InnerStruct:    Inner{},
	}

	// test with struct required failing on
	validate := New(WithRequiredStructEnabled())

	errs := validate.Struct(outer)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Outer.InnerStruct", "Outer.InnerStruct", "InnerStruct", "InnerStruct", "required")
	AssertError(t, errs, "Outer.InnerStructPtr", "Outer.InnerStructPtr", "InnerStructPtr", "InnerStructPtr", "required")

	inner := Inner{
		Test: "1234",
	}

	outer = &Outer{
		InnerStruct:    inner,
		InnerStructPtr: &inner,
	}

	errs = validate.Struct(outer)
	Equal(t, errs, nil)

	// test with struct required failing off

	outer = &Outer{
		InnerStructPtr: nil,
		InnerStruct:    Inner{},
	}
	validate = New()

	errs = validate.Struct(outer)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Outer.InnerStructPtr", "Outer.InnerStructPtr", "InnerStructPtr", "InnerStructPtr", "required")

	inner = Inner{
		Test: "1234",
	}

	outer = &Outer{
		InnerStruct:    inner,
		InnerStructPtr: &inner,
	}

	errs = validate.Struct(outer)
	Equal(t, errs, nil)
}

func TestStructOnlyValidation(t *testing.T) {
	type Inner struct {
		Test string `validate:"len=5"`
	}

	type Outer struct {
		InnerStruct    Inner  `validate:"required,structonly"`
		InnerStructPtr *Inner `validate:"required,structonly"`
	}

	outer := &Outer{
		InnerStruct:    Inner{},
		InnerStructPtr: nil,
	}

	// without required struct on
	validate := New()

	errs := validate.Struct(outer)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Outer.InnerStructPtr", "Outer.InnerStructPtr", "InnerStructPtr", "InnerStructPtr", "required")

	// with required struct on
	validate.requiredStructEnabled = true

	errs = validate.Struct(outer)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Outer.InnerStruct", "Outer.InnerStruct", "InnerStruct", "InnerStruct", "required")
	AssertError(t, errs, "Outer.InnerStructPtr", "Outer.InnerStructPtr", "InnerStructPtr", "InnerStructPtr", "required")

	inner := Inner{
		Test: "1234",
	}

	outer = &Outer{
		InnerStruct:    inner,
		InnerStructPtr: &inner,
	}

	errs = validate.Struct(outer)
	Equal(t, errs, nil)

	// Address houses a users address information
	type Address struct {
		Street string `validate:"required"`
		City   string `validate:"required"`
		Planet string `validate:"required"`
		Phone  string `validate:"required"`
	}

	type User struct {
		FirstName      string     `json:"fname"`
		LastName       string     `json:"lname"`
		Age            uint8      `validate:"gte=0,lte=130"`
		Number         string     `validate:"required,e164"`
		Email          string     `validate:"required,email"`
		FavouriteColor string     `validate:"hexcolor|rgb|rgba"`
		Addresses      []*Address `validate:"required"`   // a person can have a home and cottage...
		Address        Address    `validate:"structonly"` // a person can have a home and cottage...
	}

	address := &Address{
		Street: "Eavesdown Docks",
		Planet: "Persphone",
		Phone:  "none",
		City:   "Unknown",
	}

	user := &User{
		FirstName:      "",
		LastName:       "",
		Age:            45,
		Number:         "+1123456789",
		Email:          "Badger.Smith@gmail.com",
		FavouriteColor: "#000",
		Addresses:      []*Address{address},
		Address: Address{
			// Street: "Eavesdown Docks",
			Planet: "Persphone",
			Phone:  "none",
			City:   "Unknown",
		},
	}

	errs = validate.Struct(user)
	Equal(t, errs, nil)
}

func TestGtField(t *testing.T) {
	var errs error
	validate := New()

	type TimeTest struct {
		Start *time.Time `validate:"required,gt"`
		End   *time.Time `validate:"required,gt,gtfield=Start"`
	}

	now := time.Now()
	start := now.Add(time.Hour * 24)
	end := start.Add(time.Hour * 24)

	timeTest := &TimeTest{
		Start: &start,
		End:   &end,
	}

	errs = validate.Struct(timeTest)
	Equal(t, errs, nil)

	timeTest = &TimeTest{
		Start: &end,
		End:   &start,
	}

	errs = validate.Struct(timeTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest.End", "TimeTest.End", "End", "End", "gtfield")

	errs = validate.VarWithValue(&end, &start, "gtfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(&start, &end, "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	errs = validate.VarWithValue(&end, &start, "gtfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(&timeTest, &end, "gtfield")
	NotEqual(t, errs, nil)

	errs = validate.VarWithValue("test bigger", "test", "gtfield")
	Equal(t, errs, nil)

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "gtfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	errs = validate.VarWithValue(time.Duration(0), time.Hour, "omitempty,gtfield")
	Equal(t, errs, nil)

	// -- Validations for a struct with time.Duration type fields.

	type TimeDurationTest struct {
		First  time.Duration `validate:"gtfield=Second"`
		Second time.Duration
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "gtfield")

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "gtfield")

	type TimeDurationOmitemptyTest struct {
		First  time.Duration `validate:"omitempty,gtfield=Second"`
		Second time.Duration
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0), time.Hour}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)

	// Tests for Ints types.

	type IntTest struct {
		Val1 int `validate:"required"`
		Val2 int `validate:"required,gtfield=Val1"`
	}

	intTest := &IntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(intTest)
	Equal(t, errs, nil)

	intTest = &IntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(intTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "IntTest.Val2", "IntTest.Val2", "Val2", "Val2", "gtfield")

	errs = validate.VarWithValue(int(5), int(1), "gtfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(int(1), int(5), "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	type UIntTest struct {
		Val1 uint `validate:"required"`
		Val2 uint `validate:"required,gtfield=Val1"`
	}

	uIntTest := &UIntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(uIntTest)
	Equal(t, errs, nil)

	uIntTest = &UIntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(uIntTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "UIntTest.Val2", "UIntTest.Val2", "Val2", "Val2", "gtfield")

	errs = validate.VarWithValue(uint(5), uint(1), "gtfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(uint(1), uint(5), "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	type FloatTest struct {
		Val1 float64 `validate:"required"`
		Val2 float64 `validate:"required,gtfield=Val1"`
	}

	floatTest := &FloatTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(floatTest)
	Equal(t, errs, nil)

	floatTest = &FloatTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(floatTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "FloatTest.Val2", "FloatTest.Val2", "Val2", "Val2", "gtfield")

	errs = validate.VarWithValue(float32(5), float32(1), "gtfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(float32(1), float32(5), "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	errs = validate.VarWithValue(nil, 1, "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	errs = validate.VarWithValue(5, "T", "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	errs = validate.VarWithValue(5, start, "gtfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtfield")

	type TimeTest2 struct {
		Start *time.Time `validate:"required"`
		End   *time.Time `validate:"required,gtfield=NonExistantField"`
	}

	timeTest2 := &TimeTest2{
		Start: &start,
		End:   &end,
	}

	errs = validate.Struct(timeTest2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest2.End", "TimeTest2.End", "End", "End", "gtfield")

	type Other struct {
		Value string
	}

	type Test struct {
		Value Other
		Time  time.Time `validate:"gtfield=Value"`
	}

	tst := Test{
		Value: Other{Value: "StringVal"},
		Time:  end,
	}

	errs = validate.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Time", "Test.Time", "Time", "Time", "gtfield")
}

func TestLtField(t *testing.T) {
	var errs error
	validate := New()

	type TimeTest struct {
		Start *time.Time `validate:"required,lt,ltfield=End"`
		End   *time.Time `validate:"required,lt"`
	}

	now := time.Now()
	start := now.Add(time.Hour * 24 * -1 * 2)
	end := start.Add(time.Hour * 24)

	timeTest := &TimeTest{
		Start: &start,
		End:   &end,
	}

	errs = validate.Struct(timeTest)
	Equal(t, errs, nil)

	timeTest = &TimeTest{
		Start: &end,
		End:   &start,
	}

	errs = validate.Struct(timeTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest.Start", "TimeTest.Start", "Start", "Start", "ltfield")

	errs = validate.VarWithValue(&start, &end, "ltfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(&end, &start, "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue(&end, timeTest, "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue("tes", "test", "ltfield")
	Equal(t, errs, nil)

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "ltfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue(time.Duration(0), -time.Minute, "omitempty,ltfield")
	Equal(t, errs, nil)

	// -- Validations for a struct with time.Duration type fields.

	type TimeDurationTest struct {
		First  time.Duration `validate:"ltfield=Second"`
		Second time.Duration
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "ltfield")

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "ltfield")

	type TimeDurationOmitemptyTest struct {
		First  time.Duration `validate:"omitempty,ltfield=Second"`
		Second time.Duration
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0), -time.Minute}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)

	// Tests for Ints types.

	type IntTest struct {
		Val1 int `validate:"required"`
		Val2 int `validate:"required,ltfield=Val1"`
	}

	intTest := &IntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(intTest)
	Equal(t, errs, nil)

	intTest = &IntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(intTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "IntTest.Val2", "IntTest.Val2", "Val2", "Val2", "ltfield")

	errs = validate.VarWithValue(int(1), int(5), "ltfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(int(5), int(1), "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	type UIntTest struct {
		Val1 uint `validate:"required"`
		Val2 uint `validate:"required,ltfield=Val1"`
	}

	uIntTest := &UIntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(uIntTest)
	Equal(t, errs, nil)

	uIntTest = &UIntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(uIntTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "UIntTest.Val2", "UIntTest.Val2", "Val2", "Val2", "ltfield")

	errs = validate.VarWithValue(uint(1), uint(5), "ltfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(uint(5), uint(1), "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	type FloatTest struct {
		Val1 float64 `validate:"required"`
		Val2 float64 `validate:"required,ltfield=Val1"`
	}

	floatTest := &FloatTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(floatTest)
	Equal(t, errs, nil)

	floatTest = &FloatTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(floatTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "FloatTest.Val2", "FloatTest.Val2", "Val2", "Val2", "ltfield")

	errs = validate.VarWithValue(float32(1), float32(5), "ltfield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(float32(5), float32(1), "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue(nil, 5, "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue(1, "T", "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	errs = validate.VarWithValue(1, end, "ltfield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltfield")

	type TimeTest2 struct {
		Start *time.Time `validate:"required"`
		End   *time.Time `validate:"required,ltfield=NonExistantField"`
	}

	timeTest2 := &TimeTest2{
		Start: &end,
		End:   &start,
	}

	errs = validate.Struct(timeTest2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest2.End", "TimeTest2.End", "End", "End", "ltfield")
}

func TestFieldContains(t *testing.T) {
	validate := New()

	type StringTest struct {
		Foo string `validate:"fieldcontains=Bar"`
		Bar string
	}

	stringTest := &StringTest{
		Foo: "foobar",
		Bar: "bar",
	}

	errs := validate.Struct(stringTest)
	Equal(t, errs, nil)

	stringTest = &StringTest{
		Foo: "foo",
		Bar: "bar",
	}

	errs = validate.Struct(stringTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "StringTest.Foo", "StringTest.Foo", "Foo", "Foo", "fieldcontains")

	errs = validate.VarWithValue("foo", "bar", "fieldcontains")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "fieldcontains")

	errs = validate.VarWithValue("bar", "foobarfoo", "fieldcontains")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "fieldcontains")

	errs = validate.VarWithValue("foobarfoo", "bar", "fieldcontains")
	Equal(t, errs, nil)

	type StringTestMissingField struct {
		Foo string `validate:"fieldcontains=Bar"`
	}

	stringTestMissingField := &StringTestMissingField{
		Foo: "foo",
	}

	errs = validate.Struct(stringTestMissingField)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "StringTestMissingField.Foo", "StringTestMissingField.Foo", "Foo", "Foo", "fieldcontains")
}

func TestFieldExcludes(t *testing.T) {
	validate := New()

	type StringTest struct {
		Foo string `validate:"fieldexcludes=Bar"`
		Bar string
	}

	stringTest := &StringTest{
		Foo: "foobar",
		Bar: "bar",
	}

	errs := validate.Struct(stringTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "StringTest.Foo", "StringTest.Foo", "Foo", "Foo", "fieldexcludes")

	stringTest = &StringTest{
		Foo: "foo",
		Bar: "bar",
	}

	errs = validate.Struct(stringTest)
	Equal(t, errs, nil)

	errs = validate.VarWithValue("foo", "bar", "fieldexcludes")
	Equal(t, errs, nil)

	errs = validate.VarWithValue("bar", "foobarfoo", "fieldexcludes")
	Equal(t, errs, nil)

	errs = validate.VarWithValue("foobarfoo", "bar", "fieldexcludes")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "fieldexcludes")

	type StringTestMissingField struct {
		Foo string `validate:"fieldexcludes=Bar"`
	}

	stringTestMissingField := &StringTestMissingField{
		Foo: "foo",
	}

	errs = validate.Struct(stringTestMissingField)
	Equal(t, errs, nil)
}

func TestContainsAndExcludes(t *testing.T) {
	validate := New()

	type ImpossibleStringTest struct {
		Foo string `validate:"fieldcontains=Bar"`
		Bar string `validate:"fieldexcludes=Foo"`
	}

	impossibleStringTest := &ImpossibleStringTest{
		Foo: "foo",
		Bar: "bar",
	}

	errs := validate.Struct(impossibleStringTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "ImpossibleStringTest.Foo", "ImpossibleStringTest.Foo", "Foo", "Foo", "fieldcontains")

	impossibleStringTest = &ImpossibleStringTest{
		Foo: "bar",
		Bar: "foo",
	}

	errs = validate.Struct(impossibleStringTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "ImpossibleStringTest.Foo", "ImpossibleStringTest.Foo", "Foo", "Foo", "fieldcontains")
}

func TestLteField(t *testing.T) {
	var errs error
	validate := New()

	type TimeTest struct {
		Start *time.Time `validate:"required,lte,ltefield=End"`
		End   *time.Time `validate:"required,lte"`
	}

	now := time.Now()
	start := now.Add(time.Hour * 24 * -1 * 2)
	end := start.Add(time.Hour * 24)

	timeTest := &TimeTest{
		Start: &start,
		End:   &end,
	}

	errs = validate.Struct(timeTest)
	Equal(t, errs, nil)

	timeTest = &TimeTest{
		Start: &end,
		End:   &start,
	}

	errs = validate.Struct(timeTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest.Start", "TimeTest.Start", "Start", "Start", "ltefield")

	errs = validate.VarWithValue(&start, &end, "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(&end, &start, "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	errs = validate.VarWithValue(&end, timeTest, "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	errs = validate.VarWithValue("tes", "test", "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue("test", "test", "ltefield")
	Equal(t, errs, nil)

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	errs = validate.VarWithValue(time.Duration(0), -time.Minute, "omitempty,ltefield")
	Equal(t, errs, nil)

	// -- Validations for a struct with time.Duration type fields.

	type TimeDurationTest struct {
		First  time.Duration `validate:"ltefield=Second"`
		Second time.Duration
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "ltefield")

	type TimeDurationOmitemptyTest struct {
		First  time.Duration `validate:"omitempty,ltefield=Second"`
		Second time.Duration
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0), -time.Minute}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)

	// Tests for Ints types.

	type IntTest struct {
		Val1 int `validate:"required"`
		Val2 int `validate:"required,ltefield=Val1"`
	}

	intTest := &IntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(intTest)
	Equal(t, errs, nil)

	intTest = &IntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(intTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "IntTest.Val2", "IntTest.Val2", "Val2", "Val2", "ltefield")

	errs = validate.VarWithValue(int(1), int(5), "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(int(5), int(1), "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	type UIntTest struct {
		Val1 uint `validate:"required"`
		Val2 uint `validate:"required,ltefield=Val1"`
	}

	uIntTest := &UIntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(uIntTest)
	Equal(t, errs, nil)

	uIntTest = &UIntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(uIntTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "UIntTest.Val2", "UIntTest.Val2", "Val2", "Val2", "ltefield")

	errs = validate.VarWithValue(uint(1), uint(5), "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(uint(5), uint(1), "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	type FloatTest struct {
		Val1 float64 `validate:"required"`
		Val2 float64 `validate:"required,ltefield=Val1"`
	}

	floatTest := &FloatTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(floatTest)
	Equal(t, errs, nil)

	floatTest = &FloatTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(floatTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "FloatTest.Val2", "FloatTest.Val2", "Val2", "Val2", "ltefield")

	errs = validate.VarWithValue(float32(1), float32(5), "ltefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(float32(5), float32(1), "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	errs = validate.VarWithValue(nil, 5, "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	errs = validate.VarWithValue(1, "T", "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	errs = validate.VarWithValue(1, end, "ltefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "ltefield")

	type TimeTest2 struct {
		Start *time.Time `validate:"required"`
		End   *time.Time `validate:"required,ltefield=NonExistantField"`
	}

	timeTest2 := &TimeTest2{
		Start: &end,
		End:   &start,
	}

	errs = validate.Struct(timeTest2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest2.End", "TimeTest2.End", "End", "End", "ltefield")
}

func TestGteField(t *testing.T) {
	var errs error
	validate := New()

	type TimeTest struct {
		Start *time.Time `validate:"required,gte"`
		End   *time.Time `validate:"required,gte,gtefield=Start"`
	}

	now := time.Now()
	start := now.Add(time.Hour * 24)
	end := start.Add(time.Hour * 24)

	timeTest := &TimeTest{
		Start: &start,
		End:   &end,
	}

	errs = validate.Struct(timeTest)
	Equal(t, errs, nil)

	timeTest = &TimeTest{
		Start: &end,
		End:   &start,
	}

	errs = validate.Struct(timeTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest.End", "TimeTest.End", "End", "End", "gtefield")

	errs = validate.VarWithValue(&end, &start, "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(&start, &end, "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	errs = validate.VarWithValue(&start, timeTest, "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	errs = validate.VarWithValue("test", "test", "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue("test bigger", "test", "gtefield")
	Equal(t, errs, nil)

	// Tests for time.Duration type.

	// -- Validations for variables of time.Duration type.

	errs = validate.VarWithValue(time.Hour, time.Hour-time.Minute, "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour, "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(time.Hour, time.Hour+time.Minute, "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	errs = validate.VarWithValue(time.Duration(0), time.Hour, "omitempty,gtefield")
	Equal(t, errs, nil)

	// -- Validations for a struct with time.Duration type fields.

	type TimeDurationTest struct {
		First  time.Duration `validate:"gtefield=Second"`
		Second time.Duration
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour, time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.First", "TimeDurationTest.First", "First", "First", "gtefield")

	type TimeDurationOmitemptyTest struct {
		First  time.Duration `validate:"omitempty,gtefield=Second"`
		Second time.Duration
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0), time.Hour}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)

	// Tests for Ints types.

	type IntTest struct {
		Val1 int `validate:"required"`
		Val2 int `validate:"required,gtefield=Val1"`
	}

	intTest := &IntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(intTest)
	Equal(t, errs, nil)

	intTest = &IntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(intTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "IntTest.Val2", "IntTest.Val2", "Val2", "Val2", "gtefield")

	errs = validate.VarWithValue(int(5), int(1), "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(int(1), int(5), "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	type UIntTest struct {
		Val1 uint `validate:"required"`
		Val2 uint `validate:"required,gtefield=Val1"`
	}

	uIntTest := &UIntTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(uIntTest)
	Equal(t, errs, nil)

	uIntTest = &UIntTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(uIntTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "UIntTest.Val2", "UIntTest.Val2", "Val2", "Val2", "gtefield")

	errs = validate.VarWithValue(uint(5), uint(1), "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(uint(1), uint(5), "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	type FloatTest struct {
		Val1 float64 `validate:"required"`
		Val2 float64 `validate:"required,gtefield=Val1"`
	}

	floatTest := &FloatTest{
		Val1: 1,
		Val2: 5,
	}

	errs = validate.Struct(floatTest)
	Equal(t, errs, nil)

	floatTest = &FloatTest{
		Val1: 5,
		Val2: 1,
	}

	errs = validate.Struct(floatTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "FloatTest.Val2", "FloatTest.Val2", "Val2", "Val2", "gtefield")

	errs = validate.VarWithValue(float32(5), float32(1), "gtefield")
	Equal(t, errs, nil)

	errs = validate.VarWithValue(float32(1), float32(5), "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	errs = validate.VarWithValue(nil, 1, "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	errs = validate.VarWithValue(5, "T", "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	errs = validate.VarWithValue(5, start, "gtefield")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gtefield")

	type TimeTest2 struct {
		Start *time.Time `validate:"required"`
		End   *time.Time `validate:"required,gtefield=NonExistantField"`
	}

	timeTest2 := &TimeTest2{
		Start: &start,
		End:   &end,
	}

	errs = validate.Struct(timeTest2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeTest2.End", "TimeTest2.End", "End", "End", "gtefield")
}

func TestValidateByTagAndValue(t *testing.T) {
	validate := New()

	val := "test"
	field := "test"
	errs := validate.VarWithValue(val, field, "required")
	Equal(t, errs, nil)

	fn := func(fl FieldLevel) bool {
		return fl.Parent().String() == fl.Field().String()
	}

	errs = validate.RegisterValidation("isequaltestfunc", fn)
	Equal(t, errs, nil)

	errs = validate.VarWithValue(val, field, "isequaltestfunc")
	Equal(t, errs, nil)

	val = "unequal"

	errs = validate.VarWithValue(val, field, "isequaltestfunc")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "isequaltestfunc")
}

func TestAddFunctions(t *testing.T) {
	fn := func(fl FieldLevel) bool {
		return true
	}

	fnCtx := func(ctx context.Context, fl FieldLevel) bool {
		return true
	}

	validate := New()

	errs := validate.RegisterValidation("new", fn)
	Equal(t, errs, nil)

	errs = validate.RegisterValidation("", fn)
	NotEqual(t, errs, nil)

	errs = validate.RegisterValidation("new", nil)
	NotEqual(t, errs, nil)

	errs = validate.RegisterValidation("new", fn)
	Equal(t, errs, nil)

	errs = validate.RegisterValidationCtx("new", fnCtx)
	Equal(t, errs, nil)

	PanicMatches(t, func() { _ = validate.RegisterValidation("dive", fn) }, "Tag 'dive' either contains restricted characters or is the same as a restricted tag needed for normal operation")
}

func TestChangeTag(t *testing.T) {
	validate := New()
	validate.SetTagName("val")

	type Test struct {
		Name string `val:"len=4"`
	}
	s := &Test{
		Name: "TEST",
	}

	errs := validate.Struct(s)
	Equal(t, errs, nil)

	s.Name = ""

	errs = validate.Struct(s)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Name", "Test.Name", "Name", "Name", "len")
}

func TestUnexposedStruct(t *testing.T) {
	validate := New()

	type Test struct {
		Name      string
		unexposed struct {
			A string `validate:"required"`
		}
	}

	s := &Test{
		Name: "TEST",
	}
	Equal(t, s.unexposed.A, "")

	errs := validate.Struct(s)
	Equal(t, errs, nil)
}

func TestBadParams(t *testing.T) {
	validate := New()
	i := 1
	errs := validate.Var(i, "-")
	Equal(t, errs, nil)

	PanicMatches(t, func() { _ = validate.Var(i, "len=a") }, "strconv.ParseInt: parsing \"a\": invalid syntax")
	PanicMatches(t, func() { _ = validate.Var(i, "len=a") }, "strconv.ParseInt: parsing \"a\": invalid syntax")

	var ui uint = 1
	PanicMatches(t, func() { _ = validate.Var(ui, "len=a") }, "strconv.ParseUint: parsing \"a\": invalid syntax")

	f := 1.23
	PanicMatches(t, func() { _ = validate.Var(f, "len=a") }, "strconv.ParseFloat: parsing \"a\": invalid syntax")
}

func TestLength(t *testing.T) {
	validate := New()
	i := true
	PanicMatches(t, func() { _ = validate.Var(i, "len") }, "Bad field type bool")

	var f32 float32 = 5
	Equal(t, validate.Var(f32, "len=5"), nil)
	NotEqual(t, validate.Var(f32, "len=6"), nil)
}

func TestIsGt(t *testing.T) {
	var errs error
	validate := New()

	myMap := map[string]string{}
	errs = validate.Var(myMap, "gt=0")
	NotEqual(t, errs, nil)

	f := 1.23
	errs = validate.Var(f, "gt=5")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gt")

	var ui uint = 5
	errs = validate.Var(ui, "gt=10")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gt")

	var f32 float32 = 1.23
	errs = validate.Var(f32, "gt=5")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gt")

	i := true
	PanicMatches(t, func() { _ = validate.Var(i, "gt") }, "Bad field type bool")

	tm := time.Now().UTC()
	tm = tm.Add(time.Hour * 24)

	errs = validate.Var(tm, "gt")
	Equal(t, errs, nil)

	t2 := time.Now().UTC().Add(-time.Hour)

	errs = validate.Var(t2, "gt")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gt")

	type Test struct {
		Now *time.Time `validate:"gt"`
	}
	s := &Test{
		Now: &tm,
	}

	errs = validate.Struct(s)
	Equal(t, errs, nil)

	s = &Test{
		Now: &t2,
	}

	errs = validate.Struct(s)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Now", "Test.Now", "Now", "Now", "gt")

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "gt=59m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-time.Minute, "gt=59m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gt")

	errs = validate.Var(time.Hour-2*time.Minute, "gt=59m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gt")

	errs = validate.Var(time.Duration(0), "omitempty,gt=59m")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"gt=59m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "gt")

	timeDurationTest = &TimeDurationTest{time.Hour - 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "gt")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,gt=59m"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsGte(t *testing.T) {
	var errs error
	validate := New()

	myMap := map[string]string{}
	errs = validate.Var(myMap, "gte=1")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gte")

	f := 1.23
	errs = validate.Var(f, "gte=5")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gte")

	var ui uint = 5
	errs = validate.Var(ui, "gte=10")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gte")

	var f32 float32 = 1.23
	errs = validate.Var(f32, "gte=5")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gte")

	i := true
	PanicMatches(t, func() { _ = validate.Var(i, "gte") }, "Bad field type bool")

	t1 := time.Now().UTC()
	t1 = t1.Add(time.Hour * 24)

	errs = validate.Var(t1, "gte")
	Equal(t, errs, nil)

	t2 := time.Now().UTC().Add(-time.Hour)

	errs = validate.Var(t2, "gte")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gte")

	type Test struct {
		Now *time.Time `validate:"gte"`
	}
	s := &Test{
		Now: &t1,
	}

	errs = validate.Struct(s)
	Equal(t, errs, nil)

	s = &Test{
		Now: &t2,
	}

	errs = validate.Struct(s)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Now", "Test.Now", "Now", "Now", "gte")

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "gte=59m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-time.Minute, "gte=59m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-2*time.Minute, "gte=59m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "gte")

	errs = validate.Var(time.Duration(0), "omitempty,gte=59m")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"gte=59m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "gte")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,gte=59m"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestMinValidation(t *testing.T) {
	var errs error
	validate := New()

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "min=59m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-time.Minute, "min=59m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-2*time.Minute, "min=59m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "min")

	errs = validate.Var(time.Duration(0), "omitempty,min=59m")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"min=59m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "min")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,min=59m"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestMaxValidation(t *testing.T) {
	var errs error
	validate := New()

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "max=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+time.Minute, "max=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+2*time.Minute, "max=1h1m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "max")

	errs = validate.Var(time.Duration(0), "omitempty,max=-1s")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"max=1h1m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "max")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,max=-1s"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestMinMaxValidation(t *testing.T) {
	var errs error
	validate := New()

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "min=59m,max=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-time.Minute, "min=59m,max=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+time.Minute, "min=59m,max=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-2*time.Minute, "min=59m,max=1h1m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "min")

	errs = validate.Var(time.Hour+2*time.Minute, "min=59m,max=1h1m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "max")

	errs = validate.Var(time.Duration(0), "omitempty,min=59m,max=1h1m")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"min=59m,max=1h1m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "min")

	timeDurationTest = &TimeDurationTest{time.Hour + 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "max")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,min=59m,max=1h1m"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestLenValidation(t *testing.T) {
	var errs error
	validate := New()

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "len=1h")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour-time.Minute, "len=1h")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "len")

	errs = validate.Var(time.Hour+time.Minute, "len=1h")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "len")

	errs = validate.Var(time.Duration(0), "omitempty,len=1h")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"len=1h"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour - time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "len")

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "len")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,len=1h"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsLt(t *testing.T) {
	var errs error
	validate := New()

	myMap := map[string]string{}
	errs = validate.Var(myMap, "lt=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	f := 1.23
	errs = validate.Var(f, "lt=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	var ui uint = 5
	errs = validate.Var(ui, "lt=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	var f32 float32 = 1.23
	errs = validate.Var(f32, "lt=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	i := true
	PanicMatches(t, func() { _ = validate.Var(i, "lt") }, "Bad field type bool")

	t1 := time.Now().UTC().Add(-time.Hour)

	errs = validate.Var(t1, "lt")
	Equal(t, errs, nil)

	t2 := time.Now().UTC()
	t2 = t2.Add(time.Hour * 24)

	errs = validate.Var(t2, "lt")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	type Test struct {
		Now *time.Time `validate:"lt"`
	}

	s := &Test{
		Now: &t1,
	}

	errs = validate.Struct(s)
	Equal(t, errs, nil)

	s = &Test{
		Now: &t2,
	}

	errs = validate.Struct(s)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.Now", "Test.Now", "Now", "Now", "lt")

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "lt=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+time.Minute, "lt=1h1m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	errs = validate.Var(time.Hour+2*time.Minute, "lt=1h1m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lt")

	errs = validate.Var(time.Duration(0), "omitempty,lt=0")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"lt=1h1m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "lt")

	timeDurationTest = &TimeDurationTest{time.Hour + 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "lt")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,lt=0"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestIsLte(t *testing.T) {
	var errs error
	validate := New()

	myMap := map[string]string{"key": "value"}
	errs = validate.Var(myMap, "lte=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lte")

	f := 1.23
	errs = validate.Var(f, "lte=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lte")

	var ui uint = 5
	errs = validate.Var(ui, "lte=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lte")

	var f32 float32 = 1.23
	errs = validate.Var(f32, "lte=0")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lte")

	i := true
	PanicMatches(t, func() { _ = validate.Var(i, "lte") }, "Bad field type bool")

	t1 := time.Now().UTC().Add(-time.Hour)

	errs = validate.Var(t1, "lte")
	Equal(t, errs, nil)

	t2 := time.Now().UTC()
	t2 = t2.Add(time.Hour * 24)

	errs = validate.Var(t2, "lte")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lte")

	type Test struct {
		Now *time.Time `validate:"lte"`
	}

	s := &Test{
		Now: &t1,
	}

	errs = validate.Struct(s)
	Equal(t, errs, nil)

	s = &Test{
		Now: &t2,
	}

	errs = validate.Struct(s)
	NotEqual(t, errs, nil)

	// Tests for time.Duration type.

	// -- Validations for a variable of time.Duration type.

	errs = validate.Var(time.Hour, "lte=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+time.Minute, "lte=1h1m")
	Equal(t, errs, nil)

	errs = validate.Var(time.Hour+2*time.Minute, "lte=1h1m")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "lte")

	errs = validate.Var(time.Duration(0), "omitempty,lte=-1s")
	Equal(t, errs, nil)

	// -- Validations for a struct with a time.Duration type field.

	type TimeDurationTest struct {
		Duration time.Duration `validate:"lte=1h1m"`
	}
	var timeDurationTest *TimeDurationTest

	timeDurationTest = &TimeDurationTest{time.Hour}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + time.Minute}
	errs = validate.Struct(timeDurationTest)
	Equal(t, errs, nil)

	timeDurationTest = &TimeDurationTest{time.Hour + 2*time.Minute}
	errs = validate.Struct(timeDurationTest)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TimeDurationTest.Duration", "TimeDurationTest.Duration", "Duration", "Duration", "lte")

	type TimeDurationOmitemptyTest struct {
		Duration time.Duration `validate:"omitempty,lte=-1s"`
	}

	timeDurationOmitemptyTest := &TimeDurationOmitemptyTest{time.Duration(0)}
	errs = validate.Struct(timeDurationOmitemptyTest)
	Equal(t, errs, nil)
}

func TestUrnRFC2141(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"urn:a:b", true},
		{"urn:a::", true},
		{"urn:a:-", true},
		{"URN:simple:simple", true},
		{"urn:urna:simple", true},
		{"urn:burnout:nss", true},
		{"urn:burn:nss", true},
		{"urn:urnurnurn:x", true},
		{"urn:abcdefghilmnopqrstuvzabcdefghilm:x", true},
		{"URN:123:x", true},
		{"URN:abcd-:x", true},
		{"URN:abcd-abcd:x", true},
		{"urn:urnx:urn", true},
		{"urn:ciao:a:b:c", true},
		{"urn:aaa:x:y:", true},
		{"urn:ciao:-", true},
		{"urn:colon:::::nss", true},
		{"urn:ciao:@!=%2C(xyz)+a,b.*@g=$_'", true},
		{"URN:hexes:%25", true},
		{"URN:x:abc%1Dz%2F%3az", true},
		{"URN:foo:a123,456", true},
		{"urn:foo:a123,456", true},
		{"urn:FOO:a123,456", true},
		{"urn:foo:A123,456", true},
		{"urn:foo:a123%2C456", true},
		{"URN:FOO:a123%2c456", true},
		{"URN:FOO:ABC%FFabc123%2c456", true},
		{"URN:FOO:ABC%FFabc123%2C456%9A", true},
		{"urn:ietf:params:scim:schemas:core:2.0:User", true},
		{"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:meta.lastModified", true},
		{"URN:-xxx:x", false},
		{"urn::colon:nss", false},
		{"urn:abcdefghilmnopqrstuvzabcdefghilmn:specificstring", false},
		{"URN:a!?:x", false},
		{"URN:#,:x", false},
		{"urn:urn:NSS", false},
		{"urn:URN:NSS", false},
		{"urn:white space:NSS", false},
		{"urn:concat:no spaces", false},
		{"urn:a:%", false},
		{"urn:", false},
	}

	tag := "urn_rfc2141"

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d URN failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d URN failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != tag {
					t.Fatalf("Index: %d URN failed Error: %s", i, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, tag) }, "Bad field type int")
}

func TestUrnRFC8141(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"urn:lex:it:ministero.giustizia:decreto:1992-07-24;358~art5", true},
		{"urn:nid:nss/", true},
		{"urn:nid:nss&", true},
		{"urn:example:1/406/47452/2", true},
		{"urn:example:foo-bar-baz-qux?+CCResolve:cc=uk", true},
		{"urn:example:foo-bar-baz-qux?+&", true},
		{"urn:example:foo-bar-baz-qux?+%16CCResolve:cc=uk", true},
		{"urn:example:weather?=op=map&lat=39.56&lon=-104.85&datetime=1969-07-21T02:56:15Z", true},
		{"urn:example:CamelCase1/406/47452/2?=lat=41.22255&long=16.06596#frag?some/slash/~%D0", true},
		{"urn:example:CamelCase1/406/47452/2?=lat=41.22255&long=16.06596#frag", true},
		{"URN:signs:()+,-.:=@;$_!*alnum123456789", true},
		{"URN:abcd-abcd:x", true},
		{"urn:urnx:urn", true},
		{"urn:ciao:a:b:c", true},
		{"urn:aaa:x:y:", true},
		{"urn:ciao:-", true},
		{"urn:colon:::::nss", true},
		{"urn:ciao:@!=%2C(xyz)+a,b.*@g=$_'", true},
		{"URN:hexes:%25", true},
		{"URN:xyz:abc%1Dz%2F%3az", true},
		{"URN:foo:a123,456", true},
		{"urn:foo:a123,456", true},
		{"urn:FOO:a123,456", true},
		{"urn:foo:A123,456", true},
		{"urn:foo:a123%2C456", true},
		{"URN:FOO:a123%2c456", true},
		{"URN:FOO:ABC%FFabc123%2c456", true},
		{"URN:FOO:ABC%FFabc123%2C456%9A", true},
		{"urn:ietf:params:scim:schemas:core:2.0:User", true},
		{"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:meta.lastModified", true},
		{"urn:urn-7:informal", true},
		{"", false},
		{"urn:aa:", false},
		{"URN:x:abc%1Dz%2F%3az", false},
		{"urn:123456789-1234567890-abcdefghilmn:o", false},
		{"urn:ex:ex?+a?+", false},
		{"urn:xn--:nss", false},
		{"urn:a:nss", false},
		{"URN:trailing-:w", false},
		{"URN:-leading:w", false},
		{"urn:urn-s:nss", false},
		{"urn:urn-0:nss", false},
		{"urn:", false},
	}

	tag := "urn_rfc8141"

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d URN failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d URN failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != tag {
					t.Fatalf("Index: %d URN failed Error: %s", i, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, tag) }, "Bad field type int")
}

func TestUrl(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"http://foo.bar#com", true},
		{"http://foobar.com", true},
		{"https://foobar.com", true},
		{"foobar.com", false},
		{"http://foobar.coffee/", true},
		{"http://foobar.中文网/", true},
		{"http://foobar.org/", true},
		{"http://foobar.org:8080/", true},
		{"ftp://foobar.ru/", true},
		{"http://user:pass@www.foobar.com/", true},
		{"http://127.0.0.1/", true},
		{"http://duckduckgo.com/?q=%2F", true},
		{"http://localhost:3000/", true},
		{"http://foobar.com/?foo=bar#baz=qux", true},
		{"http://foobar.com?foo=bar", true},
		{"http://www.xn--froschgrn-x9a.net/", true},
		{"", false},
		{"xyz://foobar.com", true},
		{"invalid.", false},
		{".com", false},
		{"rtmp://foobar.com", true},
		{"http://www.foo_bar.com/", true},
		{"http://localhost:3000/", true},
		{"http://foobar.com/#baz", true},
		{"http://foobar.com#baz=qux", true},
		{"http://foobar.com/t$-_.+!*\\'(),", true},
		{"http://www.foobar.com/~foobar", true},
		{"http://www.-foobar.com/", true},
		{"http://www.foo---bar.com/", true},
		{"mailto:someone@example.com", true},
		{"irc://irc.server.org/channel", true},
		{"irc://#channel@network", true},
		{"/abs/test/dir", false},
		{"./rel/test/dir", false},
		{"irc:", false},
		{"http://", false},
		{"file://path/to/file.txt", true},
		{"file:///c:/Windows/file.txt", true},
		{"file://localhost/path/to/file.txt", true},
		{"file://localhost/c:/WINDOWS/file.txt", true},
		{"file:", false},
		{"file:/", false},
		{"file://", false},
		{"file:////remotehost/path/file.txt", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "url")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d URL failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d URL failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "url" {
					t.Fatalf("Index: %d URL failed Error: %s", i, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, "url") }, "Bad field type int")
}

func TestHttpUrl(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"http://foo.bar#com", true},
		{"http://foobar.com", true},
		{"HTTP://foobar.com", true},
		{"https://foobar.com", true},
		{"foobar.com", false},
		{"http://foobar.coffee/", true},
		{"http://foobar.中文网/", true},
		{"http://foobar.org/", true},
		{"http://foobar.org:8080/", true},
		{"ftp://foobar.ru/", false},
		{"file:///etc/passwd", false},
		{"file://C:/windows/win.ini", false},
		{"http://user:pass@www.foobar.com/", true},
		{"http://127.0.0.1/", true},
		{"http://duckduckgo.com/?q=%2F", true},
		{"http://localhost:3000/", true},
		{"http://foobar.com/?foo=bar#baz=qux", true},
		{"http://foobar.com?foo=bar", true},
		{"http://www.xn--froschgrn-x9a.net/", true},
		{"", false},
		{"a://b", false},
		{"xyz://foobar.com", false},
		{"invalid.", false},
		{".com", false},
		{"rtmp://foobar.com", false},
		{"http://www.foo_bar.com/", true},
		{"http://localhost:3000/", true},
		{"http://foobar.com/#baz", true},
		{"http://foobar.com#baz=qux", true},
		{"http://foobar.com/t$-_.+!*\\'(),", true},
		{"http://www.foobar.com/~foobar", true},
		{"http://www.-foobar.com/", true},
		{"http://www.foo---bar.com/", true},
		{"mailto:someone@example.com", false},
		{"irc://irc.server.org/channel", false},
		{"irc://#channel@network", false},
		{"/abs/test/dir", false},
		{"./rel/test/dir", false},
		{"http:", false},
		{"http://", false},
		{"http://#invalid", false},
		{"https://1.1.1.1", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "http_url")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d HTTP URL failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d HTTP URL failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "http_url" {
					t.Fatalf("Index: %d HTTP URL failed Error: %s", i, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, "http_url") }, "Bad field type int")
}

func TestHttpsUrl(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"https://foo.bar#com", true},
		{"https://foobar.com", true},
		{"HTTPS://foobar.com", true},
		{"http://foobar.com", false},
		{"foobar.com", false},
		{"https://foobar.coffee/", true},
		{"https://foobar.中文网/", true},
		{"https://foobar.org/", true},
		{"https://foobar.org:8080/", true},
		{"ftp://foobar.ru/", false},
		{"file:///etc/passwd", false},
		{"file://C:/windows/win.ini", false},
		{"https://user:pass@www.foobar.com/", true},
		{"https://127.0.0.1/", true},
		{"https://duckduckgo.com/?q=%2F", true},
		{"https://localhost:3000/", true},
		{"https://foobar.com/?foo=bar#baz=qux", true},
		{"https://foobar.com?foo=bar", true},
		{"https://www.xn--froschgrn-x9a.net/", true},
		{"", false},
		{"a://b", false},
		{"xyz://foobar.com", false},
		{"invalid.", false},
		{".com", false},
		{"rtmp://foobar.com", false},
		{"https://www.foo_bar.com/", true},
		{"https://localhost:3000/", true},
		{"https://foobar.com/#baz", true},
		{"https://foobar.com#baz=qux", true},
		{"https://foobar.com/t$-_.+!*\\'(),", true},
		{"https://www.foobar.com/~foobar", true},
		{"https://www.-foobar.com/", true},
		{"https://www.foo---bar.com/", true},
		{"mailto:someone@example.com", false},
		{"irc://irc.server.org/channel", false},
		{"irc://#channel@network", false},
		{"/abs/test/dir", false},
		{"./rel/test/dir", false},
		{"https:", false},
		{"https://", false},
		{"https://#invalid", false},
		{"http://1.1.1.1", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "https_url")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d HTTPS URL failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d HTTPS URL failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "https_url" {
					t.Fatalf("Index: %d HTTPS URL failed Error: %s", i, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, "https_url") }, "Bad field type int")
}

func TestUri(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"http://foo.bar#com", true},
		{"http://foobar.com", true},
		{"https://foobar.com", true},
		{"foobar.com", false},
		{"http://foobar.coffee/", true},
		{"http://foobar.中文网/", true},
		{"http://foobar.org/", true},
		{"http://foobar.org:8080/", true},
		{"ftp://foobar.ru/", true},
		{"http://user:pass@www.foobar.com/", true},
		{"http://127.0.0.1/", true},
		{"http://duckduckgo.com/?q=%2F", true},
		{"http://localhost:3000/", true},
		{"http://foobar.com/?foo=bar#baz=qux", true},
		{"http://foobar.com?foo=bar", true},
		{"http://www.xn--froschgrn-x9a.net/", true},
		{"", false},
		{"xyz://foobar.com", true},
		{"invalid.", false},
		{".com", false},
		{"rtmp://foobar.com", true},
		{"http://www.foo_bar.com/", true},
		{"http://localhost:3000/", true},
		{"http://foobar.com#baz=qux", true},
		{"http://foobar.com/t$-_.+!*\\'(),", true},
		{"http://www.foobar.com/~foobar", true},
		{"http://www.-foobar.com/", true},
		{"http://www.foo---bar.com/", true},
		{"mailto:someone@example.com", true},
		{"irc://irc.server.org/channel", true},
		{"irc://#channel@network", true},
		{"/abs/test/dir", true},
		{"./rel/test/dir", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uri")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d URI failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d URI failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uri" {
					t.Fatalf("Index: %d URI failed Error: %s", i, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, "uri") }, "Bad field type int")
}

func TestOrigin(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		// Valid HTTP origins
		{"http://example.com", true},
		{"http://app.example.com", true},
		{"http://example.com:8080", true},
		{"http://localhost", true},
		{"http://localhost:3000", true},
		{"http://127.0.0.1", true},
		{"http://127.0.0.1:8080", true},

		// Valid HTTPS origins
		{"https://example.com", true},
		{"https://app.example.com", true},
		{"https://example.com:8443", true},
		{"https://example.com:443", true},
		{"https://sub.domain.example.com", true},
		{"https://example.co.uk", true},
		{"https://xn--nxasmq6b.example.com", true}, // punycode (IDN)

		// Valid IPv6 origins
		{"http://[::1]", true},
		{"http://[::1]:8080", true},
		{"https://[2001:db8::1]", true},
		{"https://[2001:db8::1]:8443", true},

		// Invalid: wrong scheme
		{"ftp://example.com", false},
		{"file://example.com", false},
		{"javascript://example.com", false},
		{"data://example.com", false},
		{"ws://example.com", false},
		{"wss://example.com", false},
		{"ssh://example.com", false},
		{"mailto:user@example.com", false},
		{"tel:+1234567890", false},

		// Invalid: missing scheme
		{"example.com", false},
		{"app.example.com", false},
		{"//example.com", false},
		{"://example.com", false},

		// Invalid: missing host
		{"https://", false},
		{"http://", false},
		{"https:///path", false},
		{"https://:8080", false},

		// Invalid: has path
		{"https://example.com/", false},
		{"https://example.com/path", false},
		{"https://example.com/path/to/resource", false},
		{"http://example.com/", false},
		{"https://example.com/a", false},

		// Invalid: has query
		{"https://example.com?foo=bar", false},
		{"https://example.com?", false},
		{"http://example.com?q=1&r=2", false},

		// Invalid: has fragment
		{"https://example.com#section", false},
		{"https://example.com#", false},
		{"http://example.com#top", false},
		{"https://example.com%23", false},

		// Invalid: combinations of path/query/fragment
		{"https://example.com/path?q=1", false},
		{"https://example.com/path#frag", false},
		{"https://example.com/?q=1#frag", false},
		{"https://example.com/path?q=1#frag", false},

		// Invalid: malformed or meaningless
		{"", false},
		{" ", false},
		{"not a url", false},
		{"https:example.com", false},  // missing //
		{"https:/example.com", false}, // single /
		{"https//example.com", false}, // missing :
		{"://", false},
		{"http://  ", false}, // whitespace host
		{"*", false},
		{"https://*", false},

		// Invalid: userinfo in URL (not valid in origin)
		{"https://user:pass@example.com", false},
		{"https://user@example.com", false},

		// Case sensitivity and port boundary cases
		{"HTTPS://example.com", true},        // uppercase scheme, Parse normalizes
		{"https://EXAMPLE.COM", true},        // uppercase host, valid per RFC
		{"https://example.com:65535", true},  // max valid port
		{"https://example.com:0", false},     // port 0 isn't valid in the context of a web origin
		{"https://example.com:65536", false}, // port out of range
		{"https://example.com:-1", false},    // negative port
		{"https://example.com:abc", false},   // non-numeric port
		{"http://example-.com", false},
		{"http://-sub.example.com", false},
		{"http://sub-.example.com", false},
		{"http://example..com", false},
		{"http://example.com.", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "origin")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d %q origin failed Error: %s", i, test.param, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d %q origin failed Error: %s", i, test.param, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "origin" {
					t.Fatalf("Index: %d %q origin failed Error: %s", i, test.param, errs)
				}
			}
		}
	}

	i := 1
	PanicMatches(t, func() { _ = validate.Var(i, "origin") }, "Bad field type int")
}

func TestOrTag(t *testing.T) {
	validate := New()

	s := "rgba(0,31,255,0.5)"
	errs := validate.Var(s, "rgb|rgba")
	Equal(t, errs, nil)

	s = "rgba(0,31,255,0.5)"
	errs = validate.Var(s, "rgb|rgba|len=18")
	Equal(t, errs, nil)

	s = "this ain't right"
	errs = validate.Var(s, "rgb|rgba")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb|rgba")

	s = "this ain't right"
	errs = validate.Var(s, "rgb|rgba|len=10")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb|rgba|len=10")

	s = "this is right"
	errs = validate.Var(s, "rgb|rgba|len=13")
	Equal(t, errs, nil)

	s = ""
	errs = validate.Var(s, "omitempty,rgb|rgba")
	Equal(t, errs, nil)

	s = "green"
	errs = validate.Var(s, "eq=|eq=blue,rgb|rgba") // should fail on first validation block
	NotEqual(t, errs, nil)
	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	Equal(t, ve[0].Tag(), "eq=|eq=blue")

	s = "this is right, but a blank or isn't"

	PanicMatches(t, func() { _ = validate.Var(s, "rgb||len=13") }, "Invalid validation tag on field ''")
	PanicMatches(t, func() { _ = validate.Var(s, "rgb|rgbaa|len=13") }, "Undefined validation function 'rgbaa' on field ''")

	v2 := New()
	v2.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type Colors struct {
		Fav string `validate:"rgb|rgba" json:"fc"`
	}

	c := Colors{Fav: "this ain't right"}

	err := v2.Struct(c)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)
	fe := getError(errs, "Colors.fc", "Colors.Fav")
	NotEqual(t, fe, nil)
}

func TestCmyk(t *testing.T) {
	validate := New()

	s := "cmyk(0%, 100%, 50%, 0%)"
	errs := validate.Var(s, "cmyk")
	Equal(t, errs, nil)

	s = "cmyk(0%, 0%, 0%, 0%)"
	errs = validate.Var(s, "cmyk")
	Equal(t, errs, nil)

	s = "cmyk(0%, 0.1%, 0%, 0%)"
	errs = validate.Var(s, "cmyk")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "cmyk")

	s = "cmyk(0, 100%, 50%, 0%)"
	errs = validate.Var(s, "cmyk")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "cmyk")

	s = "cmyk(0%, 101%, 50%)"
	errs = validate.Var(s, "cmyk")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "cmyk")

	s = "cmyk(0%, 100%, 50%)"
	errs = validate.Var(s, "cmyk")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "cmyk")

	s = "cmyk(0%, 0%, 0%)"
	errs = validate.Var(s, "cmyk")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "cmyk")

	i := 1
	errs = validate.Var(i, "cmyk")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "cmyk")
}
func TestHsla(t *testing.T) {
	validate := New()

	s := "hsla(360,100%,100%,1)"
	errs := validate.Var(s, "hsla")
	Equal(t, errs, nil)

	s = "hsla(360,100%,100%,0.5)"
	errs = validate.Var(s, "hsla")
	Equal(t, errs, nil)

	s = "hsla(0,0%,0%, 0)"
	errs = validate.Var(s, "hsla")
	Equal(t, errs, nil)

	s = "hsl(361,100%,50%,1)"
	errs = validate.Var(s, "hsla")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsla")

	s = "hsl(361,100%,50%)"
	errs = validate.Var(s, "hsla")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsla")

	s = "hsla(361,100%,50%)"
	errs = validate.Var(s, "hsla")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsla")

	s = "hsla(360,101%,50%)"
	errs = validate.Var(s, "hsla")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsla")

	s = "hsla(360,100%,101%)"
	errs = validate.Var(s, "hsla")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsla")

	i := 1
	errs = validate.Var(i, "hsla")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsla")
}

func TestHsl(t *testing.T) {
	validate := New()

	s := "hsl(360,100%,50%)"
	errs := validate.Var(s, "hsl")
	Equal(t, errs, nil)

	s = "hsl(0,0%,0%)"
	errs = validate.Var(s, "hsl")
	Equal(t, errs, nil)

	s = "hsl(361,100%,50%)"
	errs = validate.Var(s, "hsl")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsl")

	s = "hsl(361,101%,50%)"
	errs = validate.Var(s, "hsl")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsl")

	s = "hsl(361,100%,101%)"
	errs = validate.Var(s, "hsl")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsl")

	s = "hsl(-10,100%,100%)"
	errs = validate.Var(s, "hsl")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsl")

	i := 1
	errs = validate.Var(i, "hsl")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hsl")
}

func TestRgba(t *testing.T) {
	validate := New()

	s := "rgba(0,31,255,0.5)"
	errs := validate.Var(s, "rgba")
	Equal(t, errs, nil)

	s = "rgba(0,31,255,0.12)"
	errs = validate.Var(s, "rgba")
	Equal(t, errs, nil)

	s = "rgba(12%,55%,100%,0.12)"
	errs = validate.Var(s, "rgba")
	Equal(t, errs, nil)

	s = "rgba( 0,  31, 255, 0.5)"
	errs = validate.Var(s, "rgba")
	Equal(t, errs, nil)

	s = "rgba(12%,55,100%,0.12)"
	errs = validate.Var(s, "rgba")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgba")

	s = "rgb(0,  31, 255)"
	errs = validate.Var(s, "rgba")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgba")

	s = "rgb(1,349,275,0.5)"
	errs = validate.Var(s, "rgba")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgba")

	s = "rgb(01,31,255,0.5)"
	errs = validate.Var(s, "rgba")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgba")

	i := 1
	errs = validate.Var(i, "rgba")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgba")
}

func TestRgb(t *testing.T) {
	validate := New()

	s := "rgb(0,31,255)"
	errs := validate.Var(s, "rgb")
	Equal(t, errs, nil)

	s = "rgb(0,  31, 255)"
	errs = validate.Var(s, "rgb")
	Equal(t, errs, nil)

	s = "rgb(10%,  50%, 100%)"
	errs = validate.Var(s, "rgb")
	Equal(t, errs, nil)

	s = "rgb(10%,  50%, 55)"
	errs = validate.Var(s, "rgb")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb")

	s = "rgb(1,349,275)"
	errs = validate.Var(s, "rgb")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb")

	s = "rgb(01,31,255)"
	errs = validate.Var(s, "rgb")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb")

	s = "rgba(0,31,255)"
	errs = validate.Var(s, "rgb")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb")

	i := 1
	errs = validate.Var(i, "rgb")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "rgb")
}

func TestE164(t *testing.T) {
	validate := New()

	tests := []struct {
		number   string
		expected bool
	}{
		{"+12025550123", true},
		{"+447911123456", true},
		{"0123456789", false},
		{"++12025550123", false},
		{"+1 202-555-0123", false},
		{"1234567", false},
		{"12345678", true},
		{"123456", false},
		{"0123456789", false},
	}

	for _, test := range tests {
		t.Run(test.number, func(t *testing.T) {
			errs := validate.Var(test.number, "e164")
			if test.expected {
				Equal(t, errs, nil)
			} else {
				NotEqual(t, errs, nil)
				AssertError(t, errs, "", "", "", "", "e164")
			}
		})
	}
}

func TestEmail(t *testing.T) {
	validate := New()

	s := "test@mail.com"
	errs := validate.Var(s, "email")
	Equal(t, errs, nil)

	s = "Dörte@Sörensen.example.com"
	errs = validate.Var(s, "email")
	Equal(t, errs, nil)

	s = "θσερ@εχαμπλε.ψομ"
	errs = validate.Var(s, "email")
	Equal(t, errs, nil)

	s = "юзер@екзампл.ком"
	errs = validate.Var(s, "email")
	Equal(t, errs, nil)

	s = "उपयोगकर्ता@उदाहरण.कॉम"
	errs = validate.Var(s, "email")
	Equal(t, errs, nil)

	s = "用户@例子.广告"
	errs = validate.Var(s, "email")
	Equal(t, errs, nil)

	s = "mail@domain_with_underscores.org"
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = "mail@dotaftercom.com."
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = "mail@dotaftercom.co.uk."
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = "Foo Bar <foobar@example.com>"
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)

	s = ""
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = "test@email"
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = "test@email."
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = "@email.com"
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	s = `"test test"@email.com`
	errs = validate.Var(s, "email")
	Equal(t, errs, nil)

	s = `"@email.com`
	errs = validate.Var(s, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")

	i := true
	errs = validate.Var(i, "email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "email")
}

func TestHexColor(t *testing.T) {
	validate := New()

	s := "#fff"
	errs := validate.Var(s, "hexcolor")
	Equal(t, errs, nil)

	s = "#c2c2c2"
	errs = validate.Var(s, "hexcolor")
	Equal(t, errs, nil)

	s = "fff"
	errs = validate.Var(s, "hexcolor")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hexcolor")

	s = "fffFF"
	errs = validate.Var(s, "hexcolor")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hexcolor")

	i := true
	errs = validate.Var(i, "hexcolor")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hexcolor")
}

func TestHexadecimal(t *testing.T) {
	validate := New()

	s := "ff0044"
	errs := validate.Var(s, "hexadecimal")
	Equal(t, errs, nil)

	s = "0xff0044"
	errs = validate.Var(s, "hexadecimal")
	Equal(t, errs, nil)

	s = "0Xff0044"
	errs = validate.Var(s, "hexadecimal")
	Equal(t, errs, nil)

	s = "abcdefg"
	errs = validate.Var(s, "hexadecimal")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hexadecimal")

	i := true
	errs = validate.Var(i, "hexadecimal")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "hexadecimal")
}

func TestNumber(t *testing.T) {
	validate := New()

	s := "1"
	errs := validate.Var(s, "number")
	Equal(t, errs, nil)

	s = "+1"
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	s = "-1"
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	s = "1.12"
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	s = "+1.12"
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	s = "-1.12"
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	s = "1."
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	s = "1.o"
	errs = validate.Var(s, "number")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "number")

	i := 1
	errs = validate.Var(i, "number")
	Equal(t, errs, nil)
}

func TestNumeric(t *testing.T) {
	validate := New()

	s := "1"
	errs := validate.Var(s, "numeric")
	Equal(t, errs, nil)

	s = "+1"
	errs = validate.Var(s, "numeric")
	Equal(t, errs, nil)

	s = "-1"
	errs = validate.Var(s, "numeric")
	Equal(t, errs, nil)

	s = "1.12"
	errs = validate.Var(s, "numeric")
	Equal(t, errs, nil)

	s = "+1.12"
	errs = validate.Var(s, "numeric")
	Equal(t, errs, nil)

	s = "-1.12"
	errs = validate.Var(s, "numeric")
	Equal(t, errs, nil)

	s = "1."
	errs = validate.Var(s, "numeric")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "numeric")

	s = "1.o"
	errs = validate.Var(s, "numeric")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "numeric")

	i := 1
	errs = validate.Var(i, "numeric")
	Equal(t, errs, nil)
}

func TestBoolean(t *testing.T) {
	validate := New()

	b := true
	errs := validate.Var(b, "boolean")
	Equal(t, errs, nil)

	b = false
	errs = validate.Var(b, "boolean")
	Equal(t, errs, nil)

	s := "true"
	errs = validate.Var(s, "boolean")
	Equal(t, errs, nil)

	s = "false"
	errs = validate.Var(s, "boolean")
	Equal(t, errs, nil)

	s = "0"
	errs = validate.Var(s, "boolean")
	Equal(t, errs, nil)

	s = "1"
	errs = validate.Var(s, "boolean")
	Equal(t, errs, nil)

	s = "xyz"
	errs = validate.Var(s, "boolean")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "boolean")

	s = "1."
	errs = validate.Var(s, "boolean")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "boolean")
}

func TestAlphaNumeric(t *testing.T) {
	validate := New()

	s := "abcd123"
	errs := validate.Var(s, "alphanum")
	Equal(t, errs, nil)

	s = "abc!23"
	errs = validate.Var(s, "alphanum")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanum")

	errs = validate.Var(1, "alphanum")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanum")
}

func TestAlpha(t *testing.T) {
	validate := New()

	s := "abcd"
	errs := validate.Var(s, "alpha")
	Equal(t, errs, nil)

	s = "abc®"
	errs = validate.Var(s, "alpha")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alpha")

	s = "abc÷"
	errs = validate.Var(s, "alpha")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alpha")

	s = "abc1"
	errs = validate.Var(s, "alpha")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alpha")

	s = "this is a test string"
	errs = validate.Var(s, "alpha")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alpha")

	errs = validate.Var(1, "alpha")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alpha")
}

func TestAlphaSpace(t *testing.T) {
	validate := New()

	s := "abcd"
	errs := validate.Var(s, "alphaspace")
	Equal(t, errs, nil)

	s = "abc def"
	errs = validate.Var(s, "alphaspace")
	Equal(t, errs, nil)

	s = "  "
	errs = validate.Var(s, "alphaspace")
	Equal(t, errs, nil)

	s = "abc!"
	errs = validate.Var(s, "alphaspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphaspace")

	errs = validate.Var(1, "alphaspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphaspace")
}

func TestAlphaNumericSpace(t *testing.T) {
	validate := New()

	s := "abcd 123"
	errs := validate.Var(s, "alphanumspace")
	Equal(t, errs, nil)

	s = "  "
	errs = validate.Var(s, "alphanumspace")
	Equal(t, errs, nil)

	s = "abc123"
	errs = validate.Var(s, "alphanumspace")
	Equal(t, errs, nil)

	s = "123"
	errs = validate.Var(s, "alphanumspace")
	Equal(t, errs, nil)

	s = "abc"
	errs = validate.Var(s, "alphanumspace")
	Equal(t, errs, nil)

	s = "áçć 123"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	s = "日本 123"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	s = "abc!"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	s = "abc\t123"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	s = "abc\n123"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	s = "abc-123"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	s = "abc🙂123"
	errs = validate.Var(s, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	errs = validate.Var(1, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")

	errs = validate.Var(1.23, "alphanumspace")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "alphanumspace")
}

func TestDuration(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"1s", true},
		{"300ms", true},
		{"-1.5h", true},
		{"2h45m", true},
		{"0", true},
		{"-0", true},
		{"+5s", true},
		{"1h2m3.5s", true},
		{"100ns", true},
		{"1.5us", true},
		{"1µs", true},
		{"1μs", true},
		{".5s", true},
		{"1.s", true},
		{"2562047h", true},
		{"s", false},
		{"", false},
		{"1", false},
		{"1d", false},
		{"1S", false},
		{"1 s", false},
		{" 1s", false},
		{"1s ", false},
		{"--1s", false},
		{".s", false},
		{"1e3s", false},
		{"1h-1m", false},
		{"2562048h", false},
		{"9223372036854775808ns", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "duration")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d duration failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d duration failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "duration" {
					t.Fatalf("Index: %d duration failed Error: %s", i, errs)
				}
			}
		}
	}

	errs := validate.Var(time.Second, "duration")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "", "", "", "", "duration")
}

func TestStructStringValidation(t *testing.T) {
	validate := New()

	tSuccess := &TestString{
		Required:  "Required",
		Len:       "length==10",
		Min:       "min=1",
		Max:       "1234567890",
		MinMax:    "12345",
		Lt:        "012345678",
		Lte:       "0123456789",
		Gt:        "01234567890",
		Gte:       "0123456789",
		Boolean:   "true",
		OmitEmpty: "",
		Sub: &SubTest{
			Test: "1",
		},
		SubIgnore: &SubTest{
			Test: "",
		},
		Anonymous: struct {
			A string `validate:"required"`
		}{
			A: "1",
		},
		Iface: &Impl{
			F: "123",
		},
	}

	errs := validate.Struct(tSuccess)
	Equal(t, errs, nil)

	tFail := &TestString{
		Required:  "",
		Len:       "",
		Min:       "",
		Max:       "12345678901",
		MinMax:    "",
		Lt:        "0123456789",
		Lte:       "01234567890",
		Gt:        "1",
		Gte:       "1",
		OmitEmpty: "12345678901",
		Boolean:   "nope",
		Sub: &SubTest{
			Test: "",
		},
		Anonymous: struct {
			A string `validate:"required"`
		}{
			A: "",
		},
		Iface: &Impl{
			F: "12",
		},
	}

	errs = validate.Struct(tFail)

	// Assert Top Level
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 14)

	// Assert Fields
	AssertError(t, errs, "TestString.Required", "TestString.Required", "Required", "Required", "required")
	AssertError(t, errs, "TestString.Len", "TestString.Len", "Len", "Len", "len")
	AssertError(t, errs, "TestString.Min", "TestString.Min", "Min", "Min", "min")
	AssertError(t, errs, "TestString.Max", "TestString.Max", "Max", "Max", "max")
	AssertError(t, errs, "TestString.MinMax", "TestString.MinMax", "MinMax", "MinMax", "min")
	AssertError(t, errs, "TestString.Lt", "TestString.Lt", "Lt", "Lt", "lt")
	AssertError(t, errs, "TestString.Lte", "TestString.Lte", "Lte", "Lte", "lte")
	AssertError(t, errs, "TestString.Gt", "TestString.Gt", "Gt", "Gt", "gt")
	AssertError(t, errs, "TestString.Gte", "TestString.Gte", "Gte", "Gte", "gte")
	AssertError(t, errs, "TestString.OmitEmpty", "TestString.OmitEmpty", "OmitEmpty", "OmitEmpty", "max")
	AssertError(t, errs, "TestString.Boolean", "TestString.Boolean", "Boolean", "Boolean", "boolean")

	// Nested Struct Field Errs
	AssertError(t, errs, "TestString.Anonymous.A", "TestString.Anonymous.A", "A", "A", "required")
	AssertError(t, errs, "TestString.Sub.Test", "TestString.Sub.Test", "Test", "Test", "required")
	AssertError(t, errs, "TestString.Iface.F", "TestString.Iface.F", "F", "F", "len")
}

func TestStructInt32Validation(t *testing.T) {
	type TestInt32 struct {
		Required  int `validate:"required"`
		Len       int `validate:"len=10"`
		Min       int `validate:"min=1"`
		Max       int `validate:"max=10"`
		MinMax    int `validate:"min=1,max=10"`
		Lt        int `validate:"lt=10"`
		Lte       int `validate:"lte=10"`
		Gt        int `validate:"gt=10"`
		Gte       int `validate:"gte=10"`
		OmitEmpty int `validate:"omitempty,min=1,max=10"`
	}

	tSuccess := &TestInt32{
		Required:  1,
		Len:       10,
		Min:       1,
		Max:       10,
		MinMax:    5,
		Lt:        9,
		Lte:       10,
		Gt:        11,
		Gte:       10,
		OmitEmpty: 0,
	}

	validate := New()
	errs := validate.Struct(tSuccess)
	Equal(t, errs, nil)

	tFail := &TestInt32{
		Required:  0,
		Len:       11,
		Min:       -1,
		Max:       11,
		MinMax:    -1,
		Lt:        10,
		Lte:       11,
		Gt:        10,
		Gte:       9,
		OmitEmpty: 11,
	}

	errs = validate.Struct(tFail)

	// Assert Top Level
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 10)

	// Assert Fields
	AssertError(t, errs, "TestInt32.Required", "TestInt32.Required", "Required", "Required", "required")
	AssertError(t, errs, "TestInt32.Len", "TestInt32.Len", "Len", "Len", "len")
	AssertError(t, errs, "TestInt32.Min", "TestInt32.Min", "Min", "Min", "min")
	AssertError(t, errs, "TestInt32.Max", "TestInt32.Max", "Max", "Max", "max")
	AssertError(t, errs, "TestInt32.MinMax", "TestInt32.MinMax", "MinMax", "MinMax", "min")
	AssertError(t, errs, "TestInt32.Lt", "TestInt32.Lt", "Lt", "Lt", "lt")
	AssertError(t, errs, "TestInt32.Lte", "TestInt32.Lte", "Lte", "Lte", "lte")
	AssertError(t, errs, "TestInt32.Gt", "TestInt32.Gt", "Gt", "Gt", "gt")
	AssertError(t, errs, "TestInt32.Gte", "TestInt32.Gte", "Gte", "Gte", "gte")
	AssertError(t, errs, "TestInt32.OmitEmpty", "TestInt32.OmitEmpty", "OmitEmpty", "OmitEmpty", "max")
}

func TestStructUint64Validation(t *testing.T) {
	validate := New()

	tSuccess := &TestUint64{
		Required:  1,
		Len:       10,
		Min:       1,
		Max:       10,
		MinMax:    5,
		OmitEmpty: 0,
	}

	errs := validate.Struct(tSuccess)
	Equal(t, errs, nil)

	tFail := &TestUint64{
		Required:  0,
		Len:       11,
		Min:       0,
		Max:       11,
		MinMax:    0,
		OmitEmpty: 11,
	}

	errs = validate.Struct(tFail)

	// Assert Top Level
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 6)

	// Assert Fields
	AssertError(t, errs, "TestUint64.Required", "TestUint64.Required", "Required", "Required", "required")
	AssertError(t, errs, "TestUint64.Len", "TestUint64.Len", "Len", "Len", "len")
	AssertError(t, errs, "TestUint64.Min", "TestUint64.Min", "Min", "Min", "min")
	AssertError(t, errs, "TestUint64.Max", "TestUint64.Max", "Max", "Max", "max")
	AssertError(t, errs, "TestUint64.MinMax", "TestUint64.MinMax", "MinMax", "MinMax", "min")
	AssertError(t, errs, "TestUint64.OmitEmpty", "TestUint64.OmitEmpty", "OmitEmpty", "OmitEmpty", "max")
}

func TestStructFloat64Validation(t *testing.T) {
	validate := New()

	tSuccess := &TestFloat64{
		Required:  1,
		Len:       10,
		Min:       1,
		Max:       10,
		MinMax:    5,
		OmitEmpty: 0,
	}

	errs := validate.Struct(tSuccess)
	Equal(t, errs, nil)

	tFail := &TestFloat64{
		Required:  0,
		Len:       11,
		Min:       0,
		Max:       11,
		MinMax:    0,
		OmitEmpty: 11,
	}

	errs = validate.Struct(tFail)

	// Assert Top Level
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 6)

	// Assert Fields
	AssertError(t, errs, "TestFloat64.Required", "TestFloat64.Required", "Required", "Required", "required")
	AssertError(t, errs, "TestFloat64.Len", "TestFloat64.Len", "Len", "Len", "len")
	AssertError(t, errs, "TestFloat64.Min", "TestFloat64.Min", "Min", "Min", "min")
	AssertError(t, errs, "TestFloat64.Max", "TestFloat64.Max", "Max", "Max", "max")
	AssertError(t, errs, "TestFloat64.MinMax", "TestFloat64.MinMax", "MinMax", "MinMax", "min")
	AssertError(t, errs, "TestFloat64.OmitEmpty", "TestFloat64.OmitEmpty", "OmitEmpty", "OmitEmpty", "max")
}

func TestStructSliceValidation(t *testing.T) {
	validate := New()

	tSuccess := &TestSlice{
		Required:  []int{1},
		Len:       []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0},
		Min:       []int{1, 2},
		Max:       []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0},
		MinMax:    []int{1, 2, 3, 4, 5},
		OmitEmpty: nil,
	}

	errs := validate.Struct(tSuccess)
	Equal(t, errs, nil)

	tFail := &TestSlice{
		Required:  nil,
		Len:       []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1},
		Min:       []int{},
		Max:       []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1},
		MinMax:    []int{},
		OmitEmpty: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1},
	}

	errs = validate.Struct(tFail)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 6)

	// Assert Field Errors
	AssertError(t, errs, "TestSlice.Required", "TestSlice.Required", "Required", "Required", "required")
	AssertError(t, errs, "TestSlice.Len", "TestSlice.Len", "Len", "Len", "len")
	AssertError(t, errs, "TestSlice.Min", "TestSlice.Min", "Min", "Min", "min")
	AssertError(t, errs, "TestSlice.Max", "TestSlice.Max", "Max", "Max", "max")
	AssertError(t, errs, "TestSlice.MinMax", "TestSlice.MinMax", "MinMax", "MinMax", "min")
	AssertError(t, errs, "TestSlice.OmitEmpty", "TestSlice.OmitEmpty", "OmitEmpty", "OmitEmpty", "max")

	fe := getError(errs, "TestSlice.Len", "TestSlice.Len")
	NotEqual(t, fe, nil)
	Equal(t, fe.Field(), "Len")
	Equal(t, fe.StructField(), "Len")
	Equal(t, fe.Namespace(), "TestSlice.Len")
	Equal(t, fe.StructNamespace(), "TestSlice.Len")
	Equal(t, fe.Tag(), "len")
	Equal(t, fe.ActualTag(), "len")
	Equal(t, fe.Param(), "10")
	Equal(t, fe.Kind(), reflect.Slice)
	Equal(t, fe.Type(), reflect.TypeOf([]int{}))

	_, ok := fe.Value().([]int)
	Equal(t, ok, true)
}

func TestInvalidStruct(t *testing.T) {
	validate := New()

	s := &SubTest{
		Test: "1",
	}

	err := validate.Struct(s.Test)
	NotEqual(t, err, nil)
	Equal(t, err.Error(), "validator: (nil string)")

	err = validate.Struct(nil)
	NotEqual(t, err, nil)
	Equal(t, err.Error(), "validator: (nil)")

	err = validate.StructPartial(nil, "SubTest.Test")
	NotEqual(t, err, nil)
	Equal(t, err.Error(), "validator: (nil)")

	err = validate.StructExcept(nil, "SubTest.Test")
	NotEqual(t, err, nil)
	Equal(t, err.Error(), "validator: (nil)")
}

func TestInvalidValidatorFunction(t *testing.T) {
	validate := New()

	s := &SubTest{
		Test: "1",
	}

	PanicMatches(t, func() { _ = validate.Var(s.Test, "zzxxBadFunction") }, "Undefined validation function 'zzxxBadFunction' on field ''")
}

func TestCustomFieldName(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("schema"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type A struct {
		B string `schema:"b" validate:"required"`
		C string `schema:"c" validate:"required"`
		D []bool `schema:"d" validate:"required"`
		E string `schema:"-" validate:"required"`
	}

	a := &A{}

	err := validate.Struct(a)
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)
	Equal(t, len(errs), 4)
	Equal(t, getError(errs, "A.b", "A.B").Field(), "b")
	Equal(t, getError(errs, "A.c", "A.C").Field(), "c")
	Equal(t, getError(errs, "A.d", "A.D").Field(), "d")
	Equal(t, getError(errs, "A.E", "A.E").Field(), "E")

	v2 := New()
	err = v2.Struct(a)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)
	Equal(t, len(errs), 4)
	Equal(t, getError(errs, "A.B", "A.B").Field(), "B")
	Equal(t, getError(errs, "A.C", "A.C").Field(), "C")
	Equal(t, getError(errs, "A.D", "A.D").Field(), "D")
	Equal(t, getError(errs, "A.E", "A.E").Field(), "E")
}

func TestMultipleRecursiveExtractStructCache(t *testing.T) {
	validate := New()

	type Recursive struct {
		Field *string `validate:"required,len=5,ne=string"`
	}

	var test Recursive

	current := reflect.ValueOf(test)
	name := "Recursive"
	proceed := make(chan struct{})

	sc := validate.extractStructCache(current, name)
	ptr := fmt.Sprintf("%p", sc)

	for i := 0; i < 100; i++ {
		go func() {
			<-proceed
			sc := validate.extractStructCache(current, name)
			Equal(t, ptr, fmt.Sprintf("%p", sc))
		}()
	}

	close(proceed)
}

// Thanks @robbrockbank, see https://github.com/go-playground/validator/issues/249
func TestPointerAndOmitEmpty(t *testing.T) {
	validate := New()

	type Test struct {
		MyInt *int `validate:"omitempty,gte=2,lte=255"`
	}

	val1 := 0
	val2 := 256

	t1 := Test{MyInt: &val1} // This should fail validation on gte because value is 0
	t2 := Test{MyInt: &val2} // This should fail validate on lte because value is 256
	t3 := Test{MyInt: nil}   // This should succeed validation because pointer is nil

	errs := validate.Struct(t1)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.MyInt", "Test.MyInt", "MyInt", "MyInt", "gte")

	errs = validate.Struct(t2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "Test.MyInt", "Test.MyInt", "MyInt", "MyInt", "lte")

	errs = validate.Struct(t3)
	Equal(t, errs, nil)

	type TestIface struct {
		MyInt interface{} `validate:"omitempty,gte=2,lte=255"`
	}

	ti1 := TestIface{MyInt: &val1} // This should fail validation on gte because value is 0
	ti2 := TestIface{MyInt: &val2} // This should fail validate on lte because value is 256
	ti3 := TestIface{MyInt: nil}   // This should succeed validation because pointer is nil

	errs = validate.Struct(ti1)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestIface.MyInt", "TestIface.MyInt", "MyInt", "MyInt", "gte")

	errs = validate.Struct(ti2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestIface.MyInt", "TestIface.MyInt", "MyInt", "MyInt", "lte")

	errs = validate.Struct(ti3)
	Equal(t, errs, nil)
}

func TestRequired(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type Test struct {
		Value interface{} `validate:"required"`
	}

	var test Test

	err := validate.Struct(test)
	NotEqual(t, err, nil)
	AssertError(t, err.(ValidationErrors), "Test.Value", "Test.Value", "Value", "Value", "required")
}

func TestBoolEqual(t *testing.T) {
	validate := New()

	type Test struct {
		Value bool `validate:"eq=true"`
	}

	var test Test

	err := validate.Struct(test)
	NotEqual(t, err, nil)
	AssertError(t, err.(ValidationErrors), "Test.Value", "Test.Value", "Value", "Value", "eq")

	test.Value = true
	err = validate.Struct(test)
	Equal(t, err, nil)
}

func TestTranslations(t *testing.T) {
	en := en.New()
	uni := ut.New(en, en, fr.New())

	trans, _ := uni.GetTranslator("en")
	fr, _ := uni.GetTranslator("fr")

	validate := New()
	err := validate.RegisterTranslation("required", trans,
		func(ut ut.Translator) (err error) {
			// using this stype because multiple translation may have to be added for the full translation
			if err = ut.Add("required", "{0} is a required field", false); err != nil {
				return
			}

			return
		}, func(ut ut.Translator, fe FieldError) string {
			t, err := ut.T(fe.Tag(), fe.Field())
			if err != nil {
				fmt.Printf("warning: error translating FieldError: %#v", fe.(*fieldError))
				return fe.(*fieldError).Error()
			}

			return t
		})
	Equal(t, err, nil)

	err = validate.RegisterTranslation("required", fr,
		func(ut ut.Translator) (err error) {
			// using this stype because multiple translation may have to be added for the full translation
			if err = ut.Add("required", "{0} est un champ obligatoire", false); err != nil {
				return
			}

			return
		}, func(ut ut.Translator, fe FieldError) string {
			t, transErr := ut.T(fe.Tag(), fe.Field())
			if transErr != nil {
				fmt.Printf("warning: error translating FieldError: %#v", fe.(*fieldError))
				return fe.(*fieldError).Error()
			}

			return t
		})

	Equal(t, err, nil)

	type Test struct {
		Value interface{} `validate:"required"`
	}

	var test Test

	err = validate.Struct(test)
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)
	Equal(t, len(errs), 1)

	fe := errs[0]
	Equal(t, fe.Tag(), "required")
	Equal(t, fe.Namespace(), "Test.Value")
	Equal(t, fe.Translate(trans), fmt.Sprintf("%s is a required field", fe.Field()))
	Equal(t, fe.Translate(fr), fmt.Sprintf("%s est un champ obligatoire", fe.Field()))

	nl := nl.New()
	uni2 := ut.New(nl, nl)
	trans2, _ := uni2.GetTranslator("nl")
	Equal(t, fe.Translate(trans2), "Key: 'Test.Value' Error:Field validation for 'Value' failed on the 'required' tag")

	terrs := errs.Translate(trans)
	Equal(t, len(terrs), 1)

	v, ok := terrs["Test.Value"]
	Equal(t, ok, true)
	Equal(t, v, fmt.Sprintf("%s is a required field", fe.Field()))

	terrs = errs.Translate(fr)
	Equal(t, len(terrs), 1)

	v, ok = terrs["Test.Value"]
	Equal(t, ok, true)
	Equal(t, v, fmt.Sprintf("%s est un champ obligatoire", fe.Field()))

	type Test2 struct {
		Value string `validate:"gt=1"`
	}

	var t2 Test2

	err = validate.Struct(t2)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)
	Equal(t, len(errs), 1)

	fe = errs[0]
	Equal(t, fe.Tag(), "gt")
	Equal(t, fe.Namespace(), "Test2.Value")
	Equal(t, fe.Translate(trans), "Key: 'Test2.Value' Error:Field validation for 'Value' failed on the 'gt' tag")
}

func TestTranslationErrors(t *testing.T) {
	en := en.New()
	uni := ut.New(en, en, fr.New())

	trans, _ := uni.GetTranslator("en")
	err := trans.Add("required", "{0} is a required field", false) // using translator outside of validator also
	Equal(t, err, nil)

	validate := New()
	err = validate.RegisterTranslation("required", trans,
		func(ut ut.Translator) (err error) {
			// using this stype because multiple translation may have to be added for the full translation
			if err = ut.Add("required", "{0} is a required field", false); err != nil {
				return
			}

			return
		}, func(ut ut.Translator, fe FieldError) string {
			t, err := ut.T(fe.Tag(), fe.Field())
			if err != nil {
				fmt.Printf("warning: error translating FieldError: %#v", fe.(*fieldError))
				return fe.(*fieldError).Error()
			}

			return t
		})

	NotEqual(t, err, nil)
	Equal(t, err.Error(), "error: conflicting key 'required' rule 'Unknown' with text '{0} is a required field' for locale 'en', value being ignored")
}

func TestStructFiltered(t *testing.T) {
	p1 := func(ns []byte) bool {
		if bytes.HasSuffix(ns, []byte("NoTag")) || bytes.HasSuffix(ns, []byte("Required")) {
			return false
		}

		return true
	}

	p2 := func(ns []byte) bool {
		if bytes.HasSuffix(ns, []byte("SubSlice[0].Test")) ||
			bytes.HasSuffix(ns, []byte("SubSlice[0]")) ||
			bytes.HasSuffix(ns, []byte("SubSlice")) ||
			bytes.HasSuffix(ns, []byte("Sub")) ||
			bytes.HasSuffix(ns, []byte("SubIgnore")) ||
			bytes.HasSuffix(ns, []byte("Anonymous")) ||
			bytes.HasSuffix(ns, []byte("Anonymous.A")) {
			return false
		}

		return true
	}

	p3 := func(ns []byte) bool {
		return !bytes.HasSuffix(ns, []byte("SubTest.Test"))
	}

	// p4 := []string{
	// 	"A",
	// }

	tPartial := &TestPartial{
		NoTag:    "NoTag",
		Required: "Required",

		SubSlice: []*SubTest{
			{
				Test: "Required",
			},
			{
				Test: "Required",
			},
		},

		Sub: &SubTest{
			Test: "1",
		},
		SubIgnore: &SubTest{
			Test: "",
		},
		Anonymous: struct {
			A             string     `validate:"required"`
			ASubSlice     []*SubTest `validate:"required,dive"`
			SubAnonStruct []struct {
				Test      string `validate:"required"`
				OtherTest string `validate:"required"`
			} `validate:"required,dive"`
		}{
			A: "1",
			ASubSlice: []*SubTest{
				{
					Test: "Required",
				},
				{
					Test: "Required",
				},
			},

			SubAnonStruct: []struct {
				Test      string `validate:"required"`
				OtherTest string `validate:"required"`
			}{
				{"Required", "RequiredOther"},
				{"Required", "RequiredOther"},
			},
		},
	}

	validate := New()

	// the following should all return no errors as everything is valid in
	// the default state
	errs := validate.StructFilteredCtx(context.Background(), tPartial, p1)
	Equal(t, errs, nil)

	errs = validate.StructFiltered(tPartial, p2)
	Equal(t, errs, nil)

	// this isn't really a robust test, but is meant to illustrate the ANON CASE below
	errs = validate.StructFiltered(tPartial.SubSlice[0], p3)
	Equal(t, errs, nil)

	// mod tPartial for required field and re-test making sure invalid fields are NOT required:
	tPartial.Required = ""

	// inversion and retesting Partial to generate failures:
	errs = validate.StructFiltered(tPartial, p1)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Required", "TestPartial.Required", "Required", "Required", "required")

	// reset Required field, and set nested struct
	tPartial.Required = "Required"
	tPartial.Anonymous.A = ""

	// will pass as unset fields is not going to be tested
	errs = validate.StructFiltered(tPartial, p1)
	Equal(t, errs, nil)

	// will fail as unset field is tested
	errs = validate.StructFiltered(tPartial, p2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.Anonymous.A", "TestPartial.Anonymous.A", "A", "A", "required")

	// reset nested struct and unset struct in slice
	tPartial.Anonymous.A = "Required"
	tPartial.SubSlice[0].Test = ""

	// these will pass as unset item is NOT tested
	errs = validate.StructFiltered(tPartial, p1)
	Equal(t, errs, nil)

	errs = validate.StructFiltered(tPartial, p2)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "TestPartial.SubSlice[0].Test", "Test", "Test", "required")
	Equal(t, len(errs.(ValidationErrors)), 1)

	// Unset second slice member concurrently to test dive behavior:
	tPartial.SubSlice[1].Test = ""

	errs = validate.StructFiltered(tPartial, p1)
	Equal(t, errs, nil)

	errs = validate.StructFiltered(tPartial, p2)
	NotEqual(t, errs, nil)
	Equal(t, len(errs.(ValidationErrors)), 1)
	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "TestPartial.SubSlice[0].Test", "Test", "Test", "required")

	// reset struct in slice, and unset struct in slice in unset position
	tPartial.SubSlice[0].Test = "Required"

	// these will pass as the unset item is NOT tested
	errs = validate.StructFiltered(tPartial, p1)
	Equal(t, errs, nil)

	errs = validate.StructFiltered(tPartial, p2)
	Equal(t, errs, nil)

	tPartial.SubSlice[1].Test = "Required"
	tPartial.Anonymous.SubAnonStruct[0].Test = ""

	// these will pass as the unset item is NOT tested
	errs = validate.StructFiltered(tPartial, p1)
	Equal(t, errs, nil)

	errs = validate.StructFiltered(tPartial, p2)
	Equal(t, errs, nil)

	dt := time.Now()
	err := validate.StructFiltered(&dt, func(ns []byte) bool { return true })
	NotEqual(t, err, nil)
	Equal(t, err.Error(), "validator: (nil *time.Time)")
}

func TestRequiredPtr(t *testing.T) {
	type Test struct {
		Bool *bool `validate:"required"`
	}

	validate := New()

	f := false

	test := Test{
		Bool: &f,
	}

	err := validate.Struct(test)
	Equal(t, err, nil)

	tr := true

	test.Bool = &tr

	err = validate.Struct(test)
	Equal(t, err, nil)

	test.Bool = nil

	err = validate.Struct(test)
	NotEqual(t, err, nil)

	errs, ok := err.(ValidationErrors)
	Equal(t, ok, true)
	Equal(t, len(errs), 1)
	AssertError(t, errs, "Test.Bool", "Test.Bool", "Bool", "Bool", "required")

	type Test2 struct {
		Bool bool `validate:"required"`
	}

	var test2 Test2

	err = validate.Struct(test2)
	NotEqual(t, err, nil)

	errs, ok = err.(ValidationErrors)
	Equal(t, ok, true)
	Equal(t, len(errs), 1)
	AssertError(t, errs, "Test2.Bool", "Test2.Bool", "Bool", "Bool", "required")

	test2.Bool = true

	err = validate.Struct(test2)
	Equal(t, err, nil)

	type Test3 struct {
		Arr []string `validate:"required"`
	}

	var test3 Test3

	err = validate.Struct(test3)
	NotEqual(t, err, nil)

	errs, ok = err.(ValidationErrors)
	Equal(t, ok, true)
	Equal(t, len(errs), 1)
	AssertError(t, errs, "Test3.Arr", "Test3.Arr", "Arr", "Arr", "required")

	test3.Arr = make([]string, 0)

	err = validate.Struct(test3)
	Equal(t, err, nil)

	type Test4 struct {
		Arr *[]string `validate:"required"` // I know I know pointer to array, just making sure validation works as expected...
	}

	var test4 Test4

	err = validate.Struct(test4)
	NotEqual(t, err, nil)

	errs, ok = err.(ValidationErrors)
	Equal(t, ok, true)
	Equal(t, len(errs), 1)
	AssertError(t, errs, "Test4.Arr", "Test4.Arr", "Arr", "Arr", "required")

	arr := make([]string, 0)
	test4.Arr = &arr

	err = validate.Struct(test4)
	Equal(t, err, nil)
}

func TestAlphaUnicodeValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"abc", true},
		{"this is a test string", false},
		{"这是一个测试字符串", true},
		{"123", false},
		{"<>@;.-=", false},
		{"ひらがな・カタカナ、．漢字", false},
		{"あいうえおfoobar", true},
		{"test＠example.com", false},
		{"1234abcDE", false},
		{"ｶﾀｶﾅ", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "alphaunicode")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d Alpha Unicode failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d Alpha Unicode failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "alphaunicode" {
					t.Fatalf("Index: %d Alpha Unicode failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestAlphanumericUnicodeValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"abc", true},
		{"this is a test string", false},
		{"这是一个测试字符串", true},
		{"\u0031\u0032\u0033", true}, // unicode 5
		{"123", true},
		{"<>@;.-=", false},
		{"ひらがな・カタカナ、．漢字", false},
		{"あいうえおfoobar", true},
		{"test＠example.com", false},
		{"1234abcDE", true},
		{"ｶﾀｶﾅ", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "alphanumunicode")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d Alphanum Unicode failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d Alphanum Unicode failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "alphanumunicode" {
					t.Fatalf("Index: %d Alphanum Unicode failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestArrayStructNamespace(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type child struct {
		Name string `json:"name" validate:"required"`
	}
	var input struct {
		Children []child `json:"children" validate:"required,gt=0,dive"`
	}
	input.Children = []child{{"ok"}, {""}}

	errs := validate.Struct(input)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "children[1].name", "Children[1].Name", "name", "Name", "required")
}

func TestMapStructNamespace(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type child struct {
		Name string `json:"name" validate:"required"`
	}
	var input struct {
		Children map[int]child `json:"children" validate:"required,gt=0,dive"`
	}
	input.Children = map[int]child{
		0: {Name: "ok"},
		1: {Name: ""},
	}

	errs := validate.Struct(input)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "children[1].name", "Children[1].Name", "name", "Name", "required")
}

func TestFieldLevelName(t *testing.T) {
	type Test struct {
		String string            `validate:"custom1"      json:"json1"`
		Array  []string          `validate:"dive,custom2" json:"json2"`
		Map    map[string]string `validate:"dive,custom3" json:"json3"`
		Array2 []string          `validate:"custom4"      json:"json4"`
		Map2   map[string]string `validate:"custom5"      json:"json5"`
	}

	var res1, res2, res3, res4, res5, alt1, alt2, alt3, alt4, alt5 string
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})
	err := validate.RegisterValidation("custom1", func(fl FieldLevel) bool {
		res1 = fl.FieldName()
		alt1 = fl.StructFieldName()
		return true
	})
	Equal(t, err, nil)

	err = validate.RegisterValidation("custom2", func(fl FieldLevel) bool {
		res2 = fl.FieldName()
		alt2 = fl.StructFieldName()
		return true
	})
	Equal(t, err, nil)

	err = validate.RegisterValidation("custom3", func(fl FieldLevel) bool {
		res3 = fl.FieldName()
		alt3 = fl.StructFieldName()
		return true
	})
	Equal(t, err, nil)

	err = validate.RegisterValidation("custom4", func(fl FieldLevel) bool {
		res4 = fl.FieldName()
		alt4 = fl.StructFieldName()
		return true
	})
	Equal(t, err, nil)

	err = validate.RegisterValidation("custom5", func(fl FieldLevel) bool {
		res5 = fl.FieldName()
		alt5 = fl.StructFieldName()
		return true
	})
	Equal(t, err, nil)

	test := Test{
		String: "test",
		Array:  []string{"1"},
		Map:    map[string]string{"test": "test"},
	}

	errs := validate.Struct(test)
	Equal(t, errs, nil)
	Equal(t, res1, "json1")
	Equal(t, alt1, "String")
	Equal(t, res2, "json2[0]")
	Equal(t, alt2, "Array[0]")
	Equal(t, res3, "json3[test]")
	Equal(t, alt3, "Map[test]")
	Equal(t, res4, "json4")
	Equal(t, alt4, "Array2")
	Equal(t, res5, "json5")
	Equal(t, alt5, "Map2")
}

func TestValidateStructRegisterCtx(t *testing.T) {
	var ctxVal string

	fnCtx := func(ctx context.Context, fl FieldLevel) bool {
		ctxVal = ctx.Value(&ctxVal).(string)
		return true
	}

	var ctxSlVal string
	slFn := func(ctx context.Context, sl StructLevel) {
		ctxSlVal = ctx.Value(&ctxSlVal).(string)
	}

	type Test struct {
		Field string `validate:"val"`
	}

	var tst Test

	validate := New()
	err := validate.RegisterValidationCtx("val", fnCtx)
	Equal(t, err, nil)

	validate.RegisterStructValidationCtx(slFn, Test{})

	ctx := context.WithValue(context.Background(), &ctxVal, "testval")
	ctx = context.WithValue(ctx, &ctxSlVal, "slVal")
	errs := validate.StructCtx(ctx, tst)
	Equal(t, errs, nil)
	Equal(t, ctxVal, "testval")
	Equal(t, ctxSlVal, "slVal")
}

func TestHostnameRFC952Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"test.example.com", true},
		{"example.com", true},
		{"example24.com", true},
		{"test.example24.com", true},
		{"test24.example24.com", true},
		{"example", true},
		{"EXAMPLE", true},
		{"1.foo.com", false},
		{"test.example.com.", false},
		{"example.com.", false},
		{"example24.com.", false},
		{"test.example24.com.", false},
		{"test24.example24.com.", false},
		{"example.", false},
		{"192.168.0.1", false},
		{"email@example.com", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", false},
		{"2001:cdba:0:0:0:0:3257:9652", false},
		{"2001:cdba::3257:9652", false},
		{"example..........com", false},
		{"1234", false},
		{"abc1234", true},
		{"example. com", false},
		{"ex ample.com", false},
		{"foo-.example.com", false}, // label ends with '-' (RFC 952)
		{"host-.tld", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "hostname")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d hostname failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d hostname failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "hostname" {
					t.Fatalf("Index: %d hostname failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestHostnameRFC1123Validation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"test.example.com", true},
		{"example.com", true},
		{"example24.com", true},
		{"test.example24.com", true},
		{"test24.example24.com", true},
		{"example", true},
		{"1.foo.com", true},
		{"test.example.com.", false},
		{"example.com.", false},
		{"example24.com.", false},
		{"test.example24.com.", false},
		{"test24.example24.com.", false},
		{"example.", false},
		{"test_example", false},
		{"192.168.0.1", true},
		{"email@example.com", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", false},
		{"2001:cdba:0:0:0:0:3257:9652", false},
		{"2001:cdba::3257:9652", false},
		{"", false},
		{"-example.com", false},
		{"example-.com", false},
		{"foo.-bar.com", false},
		{"foo.bar-.com", false},
		{"example..com", false},
		{".example.com", false},
		{"foo.bar baz", false},
		{"foo.bar/baz", false},
		{"foo.bar:80", false},
		{"foo$.example.com", false},
		{"this-is-a-deliberately-overlong-subdomain-used-for-boundary-test.example.com", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "hostname_rfc1123")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Hostname: %v failed Error: %v", test, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Hostname: %v failed Error: %v", test, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "hostname_rfc1123" {
					t.Fatalf("Hostname: %v failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestHostnameRFC1123AliasValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"test.example.com", true},
		{"example.com", true},
		{"example24.com", true},
		{"test.example24.com", true},
		{"test24.example24.com", true},
		{"example", true},
		{"1.foo.com", true},
		{"test.example.com.", false},
		{"example.com.", false},
		{"example24.com.", false},
		{"test.example24.com.", false},
		{"test24.example24.com.", false},
		{"example.", false},
		{"test_example", false},
		{"192.168.0.1", true},
		{"email@example.com", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", false},
		{"2001:cdba:0:0:0:0:3257:9652", false},
		{"2001:cdba::3257:9652", false},
	}

	validate := New()
	validate.RegisterAlias("hostname", "hostname_rfc1123")

	for i, test := range tests {
		errs := validate.Var(test.param, "hostname")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d hostname failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d hostname failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "hostname" {
					t.Fatalf("Index: %d hostname failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestHostnameLabelValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"", false},
		{"a", true}, // one character.
		{"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", true},   // 63 character.
		{"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", false}, // 64 character.
		{"test", true},
		{"2example", true},
		{"example2", true},
		{"57", true},
		{"a.b.c", false},
		{"complete.domain.name", false},
		{"example.com", false},
		{"1.test.com", false},
		{"-invalid", false},
		{"invalid-", false},
		{".invalid", false},
		{"invalid.", false},
		{"192.168.0.1", false},
		{"luznoceda", true},
		{"akkoxdiana", true},
		{"example-label", true},
		{"example:80", false},
		{"a$b", false},
		{"this-is-another-deliberately-overlong-subdomain-used-for-boundary-test", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "hostname_label")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Hostname Label: %v failed Error: %v", test, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Hostname Label: %v failed Error: %v", test, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "hostname_label" {
					t.Fatalf("Hostname Label: %v failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestFQDNValidation(t *testing.T) {
	maxFQDN := strings.Repeat(strings.Repeat("a", 63)+".", 3) + strings.Repeat("a", 61)

	tests := []struct {
		param    string
		expected bool
	}{
		{"test.example.com", true},
		{"example.com", true},
		{"example24.com", true},
		{"test.example24.com", true},
		{"test24.example24.com", true},
		{"test.example.com.", true},
		{"example.com.", true},
		{"example24.com.", true},
		{"test.example24.com.", true},
		{"test24.example24.com.", true},
		{"24.example24.com", true},
		{"test.24.example.com", true},
		{"test-site-http.test-site", true},
		{maxFQDN, true},
		{maxFQDN + ".", true},
		{maxFQDN + "a", false},
		{maxFQDN + "a.", false},
		{"test24.example24.com..", false},
		{"example", false},
		{"192.168.0.1", false},
		{"email@example.com", false},
		{"2001:cdba:0000:0000:0000:0000:3257:9652", false},
		{"2001:cdba:0:0:0:0:3257:9652", false},
		{"2001:cdba::3257:9652", false},
		{"", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "fqdn")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d fqdn failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d fqdn failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "fqdn" {
					t.Fatalf("Index: %d fqdn failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestIsDefault(t *testing.T) {
	validate := New()

	type Inner struct {
		String string `validate:"isdefault"`
	}
	type Test struct {
		String string `validate:"isdefault"`
		Inner  *Inner `validate:"isdefault"`
	}

	var tt Test

	errs := validate.Struct(tt)
	Equal(t, errs, nil)

	tt.Inner = &Inner{String: ""}
	errs = validate.Struct(tt)
	NotEqual(t, errs, nil)

	fe := errs.(ValidationErrors)[0]
	Equal(t, fe.Field(), "Inner")
	Equal(t, fe.Namespace(), "Test.Inner")
	Equal(t, fe.Tag(), "isdefault")

	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]
		if name == "-" {
			return ""
		}
		return name
	})

	type Inner2 struct {
		String string `validate:"isdefault"`
	}

	type Test2 struct {
		Inner Inner2 `validate:"isdefault" json:"inner"`
	}

	var t2 Test2
	errs = validate.Struct(t2)
	Equal(t, errs, nil)

	t2.Inner.String = "Changed"
	errs = validate.Struct(t2)
	NotEqual(t, errs, nil)

	fe = errs.(ValidationErrors)[0]
	Equal(t, fe.Field(), "inner")
	Equal(t, fe.Namespace(), "Test2.inner")
	Equal(t, fe.Tag(), "isdefault")
}

func TestUniqueValidation(t *testing.T) {
	tests := []struct {
		param    interface{}
		expected bool
	}{
		// Arrays
		{[2]string{"a", "b"}, true},
		{[2]int{1, 2}, true},
		{[2]float64{1, 2}, true},
		{[2]interface{}{"a", "b"}, true},
		{[2]interface{}{"a", 1}, true},
		{[2]float64{1, 1}, false},
		{[2]int{1, 1}, false},
		{[2]string{"a", "a"}, false},
		{[2]interface{}{"a", "a"}, false},
		{[4]interface{}{"a", 1, "b", 1}, false},
		{[2]*string{stringPtr("a"), stringPtr("b")}, true},
		{[2]*int{intPtr(1), intPtr(2)}, true},
		{[2]*float64{float64Ptr(1), float64Ptr(2)}, true},
		{[2]*string{stringPtr("a"), stringPtr("a")}, false},
		{[2]*float64{float64Ptr(1), float64Ptr(1)}, false},
		{[2]*int{intPtr(1), intPtr(1)}, false},
		// Slices
		{[]string{"a", "b"}, true},
		{[]int{1, 2}, true},
		{[]float64{1, 2}, true},
		{[]interface{}{"a", "b"}, true},
		{[]interface{}{"a", 1}, true},
		{[]float64{1, 1}, false},
		{[]int{1, 1}, false},
		{[]string{"a", "a"}, false},
		{[]interface{}{"a", "a"}, false},
		{[]interface{}{"a", 1, "b", 1}, false},
		{[]*string{stringPtr("a"), stringPtr("b")}, true},
		{[]*int{intPtr(1), intPtr(2)}, true},
		{[]*float64{float64Ptr(1), float64Ptr(2)}, true},
		{[]*string{stringPtr("a"), stringPtr("a")}, false},
		{[]*float64{float64Ptr(1), float64Ptr(1)}, false},
		{[]*int{intPtr(1), intPtr(1)}, false},
		// Maps
		{map[string]string{"one": "a", "two": "b"}, true},
		{map[string]int{"one": 1, "two": 2}, true},
		{map[string]float64{"one": 1, "two": 2}, true},
		{map[string]interface{}{"one": "a", "two": "b"}, true},
		{map[string]interface{}{"one": "a", "two": 1}, true},
		{map[string]float64{"one": 1, "two": 1}, false},
		{map[string]int{"one": 1, "two": 1}, false},
		{map[string]string{"one": "a", "two": "a"}, false},
		{map[string]interface{}{"one": "a", "two": "a"}, false},
		{map[string]interface{}{"one": "a", "two": 1, "three": "b", "four": 1}, false},
		{map[string]*string{"one": stringPtr("a"), "two": stringPtr("a")}, false},
		{map[string]*string{"one": stringPtr("a"), "two": stringPtr("b")}, true},
		{map[string]*int{"one": intPtr(1), "two": intPtr(1)}, false},
		{map[string]*int{"one": intPtr(1), "two": intPtr(2)}, true},
		{map[string]*float64{"one": float64Ptr(1.1), "two": float64Ptr(1.1)}, false},
		{map[string]*float64{"one": float64Ptr(1.1), "two": float64Ptr(1.2)}, true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "unique")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d unique failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d unique failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "unique" {
					t.Fatalf("Index: %d unique failed Error: %v", i, errs)
				}
			}
		}
	}
	PanicMatches(t, func() { _ = validate.Var(1.0, "unique") }, "Bad field type float64")

	t.Run("struct", func(t *testing.T) {
		tests := []struct {
			param    interface{}
			expected bool
		}{
			{struct {
				A string `validate:"unique=B"`
				B string
			}{A: "abc", B: "bcd"}, true},
			{struct {
				A string `validate:"unique=B"`
				B string
			}{A: "abc", B: "abc"}, false},
		}
		validate := New()

		for i, test := range tests {
			errs := validate.Struct(test.param)
			if test.expected {
				if !IsEqual(errs, nil) {
					t.Fatalf("Index: %d unique failed Error: %v", i, errs)
				}
			} else {
				if IsEqual(errs, nil) {
					t.Fatalf("Index: %d unique failed Error: %v", i, errs)
				} else {
					val := getError(errs, "A", "A")
					if val.Tag() != "unique" {
						t.Fatalf("Index: %d unique failed Error: %v", i, errs)
					}
				}
			}
		}
	})
}

func TestUniqueValidationStructSlice(t *testing.T) {
	testStructs := []struct {
		A string
		B string
	}{
		{A: "one", B: "two"},
		{A: "one", B: "three"},
	}

	tests := []struct {
		target   interface{}
		param    string
		expected bool
	}{
		{testStructs, "unique", true},
		{testStructs, "unique=A", false},
		{testStructs, "unique=B", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.target, test.param)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d unique failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d unique failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "unique" {
					t.Fatalf("Index: %d unique failed Error: %v", i, errs)
				}
			}
		}
	}
	PanicMatches(t, func() { _ = validate.Var(testStructs, "unique=C") }, "Bad field name C")
}

func TestUniqueValidationStructPtrSlice(t *testing.T) {
	testStructs := []*struct {
		A *string
		B *string
	}{
		{A: stringPtr("one"), B: stringPtr("two")},
		{A: stringPtr("one"), B: stringPtr("three")},
		{},
	}

	tests := []struct {
		target   interface{}
		param    string
		expected bool
	}{
		{testStructs, "unique", true},
		{testStructs, "unique=A", false},
		{testStructs, "unique=B", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.target, test.param)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d unique failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d unique failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "unique" {
					t.Fatalf("Index: %d unique failed Error: %v", i, errs)
				}
			}
		}
	}
	PanicMatches(t, func() { _ = validate.Var(testStructs, "unique=C") }, "Bad field name C")
}

func TestUniqueValidationNilPtrSlice(t *testing.T) {
	validate := New()

	type Inner struct {
		Name string
	}

	t.Run("unique_field_single_nil_ptr", func(t *testing.T) {
		// A single nil element should not panic and should pass (it's unique by itself)
		s := struct {
			F1 []*Inner `validate:"unique=Name"`
		}{F1: []*Inner{nil}}
		errs := validate.Struct(s)
		if errs != nil {
			t.Fatalf("single nil element should pass unique=Name validation, got: %v", errs)
		}
	})

	t.Run("unique_field_duplicate_nil_ptrs", func(t *testing.T) {
		// Two nil elements should not panic and should fail (not unique)
		s := struct {
			F1 []*Inner `validate:"unique=Name"`
		}{F1: []*Inner{nil, nil}}
		errs := validate.Struct(s)
		if errs == nil {
			t.Fatal("duplicate nil elements should fail unique=Name validation")
		}
	})

	t.Run("unique_field_nil_and_non_nil", func(t *testing.T) {
		// One nil and one non-nil should pass (they are different)
		s := struct {
			F1 []*Inner `validate:"unique=Name"`
		}{F1: []*Inner{nil, {Name: "abc"}}}
		errs := validate.Struct(s)
		if errs != nil {
			t.Fatalf("nil and non-nil elements should pass unique=Name validation, got: %v", errs)
		}
	})

	t.Run("unique_no_param_single_nil_ptr", func(t *testing.T) {
		// A single nil element without param should not panic
		s := struct {
			F1 []*Inner `validate:"unique"`
		}{F1: []*Inner{nil}}
		errs := validate.Struct(s)
		if errs != nil {
			t.Fatalf("single nil element should pass unique validation, got: %v", errs)
		}
	})

	t.Run("unique_no_param_duplicate_nil_ptrs", func(t *testing.T) {
		// Two nil elements without param should fail
		s := struct {
			F1 []*Inner `validate:"unique"`
		}{F1: []*Inner{nil, nil}}
		errs := validate.Struct(s)
		if errs == nil {
			t.Fatal("duplicate nil elements should fail unique validation")
		}
	})

	t.Run("unique_no_param_nil_and_non_nil", func(t *testing.T) {
		// One nil and one non-nil should pass
		s := struct {
			F1 []*Inner `validate:"unique"`
		}{F1: []*Inner{nil, {Name: "abc"}}}
		errs := validate.Struct(s)
		if errs != nil {
			t.Fatalf("nil and non-nil elements should pass unique validation, got: %v", errs)
		}
	})

	t.Run("unique_map_nil_values", func(t *testing.T) {
		// Map with nil pointer values should not panic
		m := map[string]*string{"one": nil, "two": nil}
		errs := validate.Var(m, "unique")
		if errs == nil {
			t.Fatal("duplicate nil map values should fail unique validation")
		}
	})

	t.Run("unique_map_single_nil_value", func(t *testing.T) {
		m := map[string]*string{"one": nil}
		errs := validate.Var(m, "unique")
		if errs != nil {
			t.Fatalf("single nil map value should pass unique validation, got: %v", errs)
		}
	})

	t.Run("unique_map_nil_and_non_nil", func(t *testing.T) {
		a := "hello"
		m := map[string]*string{"one": nil, "two": &a}
		errs := validate.Var(m, "unique")
		if errs != nil {
			t.Fatalf("nil and non-nil map values should pass unique validation, got: %v", errs)
		}
	})

	t.Run("unique_slice_with_nil_and_zero_value_struct", func(t *testing.T) {
		s := []*Inner{nil, {Name: ""}}
		errs := validate.Var(s, "unique")
		if errs != nil {
			t.Fatalf("nil and zero value struct should pass unique validation, got: %v", errs)
		}
	})
}

func TestHTMLValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"<html>", true},
		{"<script>", true},
		{"<stillworks>", true},
		{"</html", false},
		{"</script>", true},
		{"<//script>", false},
		{"<123nonsense>", false},
		{"test", false},
		{"&example", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "html")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d html failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d html failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "html" {
					t.Fatalf("Index: %d html failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestHTMLEncodedValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"&#x3c;", true},
		{"&#xaf;", true},
		{"&#x00;", true},
		{"&#xf0;", true},
		{"&#x3c", true},
		{"&#xaf", true},
		{"&#x00", true},
		{"&#xf0", true},
		{"&#ab", true},
		{"&lt;", true},
		{"&gt;", true},
		{"&quot;", true},
		{"&amp;", true},
		{"#x0a", false},
		{"&x00", false},
		{"&#x1z", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "html_encoded")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d html_encoded failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d html_encoded failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "html_encoded" {
					t.Fatalf("Index: %d html_encoded failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestURLEncodedValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"%20", true},
		{"%af", true},
		{"%ff", true},
		{"<%az", false},
		{"%test%", false},
		{"a%b", false},
		{"1%2", false},
		{"%%a%%", false},
		{"hello", true},
		{"", true},
		{"+", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "url_encoded")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d url_encoded failed Error: %v", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d url_encoded failed Error: %v", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "url_encoded" {
					t.Fatalf("Index: %d url_encoded failed Error: %v", i, errs)
				}
			}
		}
	}
}

func TestKeys(t *testing.T) {
	type Test struct {
		Test1 map[string]string `validate:"gt=0,dive,keys,eq=testkey,endkeys,eq=testval" json:"test1"`
		Test2 map[int]int       `validate:"gt=0,dive,keys,eq=3,endkeys,eq=4"             json:"test2"`
		Test3 map[int]int       `validate:"gt=0,dive,keys,eq=3,endkeys"                  json:"test3"`
	}

	var tst Test

	validate := New()
	err := validate.Struct(tst)
	NotEqual(t, err, nil)
	Equal(t, len(err.(ValidationErrors)), 3)
	AssertError(t, err.(ValidationErrors), "Test.Test1", "Test.Test1", "Test1", "Test1", "gt")
	AssertError(t, err.(ValidationErrors), "Test.Test2", "Test.Test2", "Test2", "Test2", "gt")
	AssertError(t, err.(ValidationErrors), "Test.Test3", "Test.Test3", "Test3", "Test3", "gt")

	tst.Test1 = map[string]string{
		"testkey": "testval",
	}

	tst.Test2 = map[int]int{
		3: 4,
	}

	tst.Test3 = map[int]int{
		3: 4,
	}

	err = validate.Struct(tst)
	Equal(t, err, nil)

	tst.Test1["badtestkey"] = "badtestvalue"
	tst.Test2[10] = 11

	err = validate.Struct(tst)
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)

	Equal(t, len(errs), 4)

	AssertDeepError(t, errs, "Test.Test1[badtestkey]", "Test.Test1[badtestkey]", "Test1[badtestkey]", "Test1[badtestkey]", "eq", "eq")
	AssertDeepError(t, errs, "Test.Test1[badtestkey]", "Test.Test1[badtestkey]", "Test1[badtestkey]", "Test1[badtestkey]", "eq", "eq")
	AssertDeepError(t, errs, "Test.Test2[10]", "Test.Test2[10]", "Test2[10]", "Test2[10]", "eq", "eq")
	AssertDeepError(t, errs, "Test.Test2[10]", "Test.Test2[10]", "Test2[10]", "Test2[10]", "eq", "eq")

	type Test2 struct {
		NestedKeys map[[1]string]string `validate:"gt=0,dive,keys,dive,eq=innertestkey,endkeys,eq=outertestval"`
	}

	var tst2 Test2

	err = validate.Struct(tst2)
	NotEqual(t, err, nil)
	Equal(t, len(err.(ValidationErrors)), 1)
	AssertError(t, err.(ValidationErrors), "Test2.NestedKeys", "Test2.NestedKeys", "NestedKeys", "NestedKeys", "gt")

	tst2.NestedKeys = map[[1]string]string{
		{"innertestkey"}: "outertestval",
	}

	err = validate.Struct(tst2)
	Equal(t, err, nil)

	tst2.NestedKeys[[1]string{"badtestkey"}] = "badtestvalue"

	err = validate.Struct(tst2)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)

	Equal(t, len(errs), 2)
	AssertDeepError(t, errs, "Test2.NestedKeys[[badtestkey]][0]", "Test2.NestedKeys[[badtestkey]][0]", "NestedKeys[[badtestkey]][0]", "NestedKeys[[badtestkey]][0]", "eq", "eq")
	AssertDeepError(t, errs, "Test2.NestedKeys[[badtestkey]]", "Test2.NestedKeys[[badtestkey]]", "NestedKeys[[badtestkey]]", "NestedKeys[[badtestkey]]", "eq", "eq")

	// test bad tag definitions

	PanicMatches(t, func() { _ = validate.Var(map[string]string{"key": "val"}, "endkeys,dive,eq=val") }, "'endkeys' tag encountered without a corresponding 'keys' tag")
	PanicMatches(t, func() { _ = validate.Var(1, "keys,eq=1,endkeys") }, "'keys' tag must be immediately preceded by the 'dive' tag")

	// test custom tag name
	validate = New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}
		return name
	})

	err = validate.Struct(tst)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)

	Equal(t, len(errs), 4)

	AssertDeepError(t, errs, "Test.test1[badtestkey]", "Test.Test1[badtestkey]", "test1[badtestkey]", "Test1[badtestkey]", "eq", "eq")
	AssertDeepError(t, errs, "Test.test1[badtestkey]", "Test.Test1[badtestkey]", "test1[badtestkey]", "Test1[badtestkey]", "eq", "eq")
	AssertDeepError(t, errs, "Test.test2[10]", "Test.Test2[10]", "test2[10]", "Test2[10]", "eq", "eq")
	AssertDeepError(t, errs, "Test.test2[10]", "Test.Test2[10]", "test2[10]", "Test2[10]", "eq", "eq")
}

// Thanks @adrian-sgn specific test for your specific scenario
func TestKeysCustomValidation(t *testing.T) {
	type LangCode string
	type Label map[LangCode]string

	type TestMapStructPtr struct {
		Label Label `validate:"dive,keys,lang_code,endkeys,required"`
	}

	validate := New()
	err := validate.RegisterValidation("lang_code", func(fl FieldLevel) bool {
		validLangCodes := map[LangCode]struct{}{
			"en": {},
			"es": {},
			"pt": {},
		}

		_, ok := validLangCodes[fl.Field().Interface().(LangCode)]
		return ok
	})
	Equal(t, err, nil)

	label := Label{
		"en":  "Good morning!",
		"pt":  "",
		"es":  "¡Buenos días!",
		"xx":  "Bad key",
		"xxx": "",
	}

	err = validate.Struct(TestMapStructPtr{label})
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)
	Equal(t, len(errs), 4)

	AssertDeepError(t, errs, "TestMapStructPtr.Label[xx]", "TestMapStructPtr.Label[xx]", "Label[xx]", "Label[xx]", "lang_code", "lang_code")
	AssertDeepError(t, errs, "TestMapStructPtr.Label[pt]", "TestMapStructPtr.Label[pt]", "Label[pt]", "Label[pt]", "required", "required")
	AssertDeepError(t, errs, "TestMapStructPtr.Label[xxx]", "TestMapStructPtr.Label[xxx]", "Label[xxx]", "Label[xxx]", "lang_code", "lang_code")
	AssertDeepError(t, errs, "TestMapStructPtr.Label[xxx]", "TestMapStructPtr.Label[xxx]", "Label[xxx]", "Label[xxx]", "required", "required")

	// find specific error

	var e FieldError
	for _, e = range errs {
		if e.Namespace() == "TestMapStructPtr.Label[xxx]" {
			break
		}
	}

	Equal(t, e.Param(), "")
	Equal(t, e.Value().(LangCode), LangCode("xxx"))

	for _, e = range errs {
		if e.Namespace() == "TestMapStructPtr.Label[xxx]" && e.Tag() == "required" {
			break
		}
	}

	Equal(t, e.Param(), "")
	Equal(t, e.Value().(string), "")
}

func TestKeyOrs(t *testing.T) {
	type Test struct {
		Test1 map[string]string `validate:"gt=0,dive,keys,eq=testkey|eq=testkeyok,endkeys,eq=testval" json:"test1"`
	}

	var tst Test

	validate := New()
	err := validate.Struct(tst)
	NotEqual(t, err, nil)
	Equal(t, len(err.(ValidationErrors)), 1)
	AssertError(t, err.(ValidationErrors), "Test.Test1", "Test.Test1", "Test1", "Test1", "gt")

	tst.Test1 = map[string]string{
		"testkey": "testval",
	}

	err = validate.Struct(tst)
	Equal(t, err, nil)

	tst.Test1["badtestkey"] = "badtestval"

	err = validate.Struct(tst)
	NotEqual(t, err, nil)

	errs := err.(ValidationErrors)

	Equal(t, len(errs), 2)

	AssertDeepError(t, errs, "Test.Test1[badtestkey]", "Test.Test1[badtestkey]", "Test1[badtestkey]", "Test1[badtestkey]", "eq=testkey|eq=testkeyok", "eq=testkey|eq=testkeyok")
	AssertDeepError(t, errs, "Test.Test1[badtestkey]", "Test.Test1[badtestkey]", "Test1[badtestkey]", "Test1[badtestkey]", "eq", "eq")

	validate.RegisterAlias("okkey", "eq=testkey|eq=testkeyok")

	type Test2 struct {
		Test1 map[string]string `validate:"gt=0,dive,keys,okkey,endkeys,eq=testval" json:"test1"`
	}

	var tst2 Test2

	err = validate.Struct(tst2)
	NotEqual(t, err, nil)
	Equal(t, len(err.(ValidationErrors)), 1)
	AssertError(t, err.(ValidationErrors), "Test2.Test1", "Test2.Test1", "Test1", "Test1", "gt")

	tst2.Test1 = map[string]string{
		"testkey": "testval",
	}

	err = validate.Struct(tst2)
	Equal(t, err, nil)

	tst2.Test1["badtestkey"] = "badtestval"

	err = validate.Struct(tst2)
	NotEqual(t, err, nil)

	errs = err.(ValidationErrors)

	Equal(t, len(errs), 2)

	AssertDeepError(t, errs, "Test2.Test1[badtestkey]", "Test2.Test1[badtestkey]", "Test1[badtestkey]", "Test1[badtestkey]", "okkey", "eq=testkey|eq=testkeyok")
	AssertDeepError(t, errs, "Test2.Test1[badtestkey]", "Test2.Test1[badtestkey]", "Test1[badtestkey]", "Test1[badtestkey]", "eq", "eq")
}

func TestStructLevelValidationsPointerPassing(t *testing.T) {
	v1 := New()
	v1.RegisterStructValidation(StructValidationTestStruct, &TestStruct{})

	tst := &TestStruct{
		String: "good value",
	}

	errs := v1.Struct(tst)
	NotEqual(t, errs, nil)
	AssertError(t, errs, "TestStruct.StringVal", "TestStruct.String", "StringVal", "String", "badvalueteststruct")
}

func TestDirValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		title    string
		param    string
		expected bool
	}{
		{"existing dir", "testdata", true},
		{"existing self dir", ".", true},
		{"existing parent dir", "..", true},
		{"empty dir", "", false},
		{"missing dir", "non_existing_testdata", false},
		{"a file not a directory", filepath.Join("testdata", "a.go"), false},
	}

	for _, test := range tests {
		errs := validate.Var(test.param, "dir")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "dir")
	}, "Bad field type int")
}

func TestDirPathValidation(t *testing.T) {
	validate := New()

	tests := []struct {
		title    string
		param    string
		expected bool
	}{
		{"empty dirpath", "", false},
		{"valid dirpath - exists", "testdata", true},
		{"valid dirpath - explicit", "testdatanoexist" + string(os.PathSeparator), true},
		{"invalid dirpath", "testdata\000" + string(os.PathSeparator), false},
		{"file, not a dirpath", filepath.Join("testdata", "a.go"), false},
	}

	for _, test := range tests {
		errs := validate.Var(test.param, "dirpath")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Test: '%s' failed Error: %s", test.title, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(6, "filepath")
	}, "Bad field type int")
}

func TestStartsWithValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"startswith=(/^ヮ^)/*:・ﾟ✧"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "(/^ヮ^)/*:・ﾟ✧ glitter", Tag: "startswith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: true},
		{Value: "abcd", Tag: "startswith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestEndsWithValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"endswith=(/^ヮ^)/*:・ﾟ✧"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "glitter (/^ヮ^)/*:・ﾟ✧", Tag: "endswith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: true},
		{Value: "(/^ヮ^)/*:・ﾟ✧ glitter", Tag: "endswith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestStartsNotWithValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"startsnotwith=(/^ヮ^)/*:・ﾟ✧"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "abcd", Tag: "startsnotwith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: true},
		{Value: "(/^ヮ^)/*:・ﾟ✧ glitter", Tag: "startsnotwith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestEndsNotWithValidation(t *testing.T) {
	tests := []struct {
		Value       string `validate:"endsnotwith=(/^ヮ^)/*:・ﾟ✧"`
		Tag         string
		ExpectedNil bool
	}{
		{Value: "(/^ヮ^)/*:・ﾟ✧ glitter", Tag: "endsnotwith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: true},
		{Value: "glitter (/^ヮ^)/*:・ﾟ✧", Tag: "endsnotwith=(/^ヮ^)/*:・ﾟ✧", ExpectedNil: false},
	}

	validate := New()

	for i, s := range tests {
		errs := validate.Var(s.Value, s.Tag)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}

		errs = validate.Struct(s)

		if (s.ExpectedNil && errs != nil) || (!s.ExpectedNil && errs == nil) {
			t.Fatalf("Index: %d failed Error: %s", i, errs)
		}
	}
}

func TestRequiredIf(t *testing.T) {
	type Inner struct {
		Field *string
	}

	fieldVal := "test"
	test := struct {
		Inner   *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_if=FieldE test" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_if=Field1 test" json:"field_2"`
		Field3  map[string]string `validate:"required_if=Field2 test" json:"field_3"`
		Field4  interface{}       `validate:"required_if=Field3 1" json:"field_4"`
		Field5  int               `validate:"required_if=Inner.Field test" json:"field_5"`
		Field6  uint              `validate:"required_if=Field5 1" json:"field_6"`
		Field7  float32           `validate:"required_if=Field6 1" json:"field_7"`
		Field8  float64           `validate:"required_if=Field7 1.0" json:"field_8"`
		Field9  Inner             `validate:"required_if=Field1 test" json:"field_9"`
		Field10 *Inner            `validate:"required_if=Field1 test" json:"field_10"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: 2,
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner   *Inner
		Inner2  *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_if=FieldE test" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_if=Field1 test" json:"field_2"`
		Field3  map[string]string `validate:"required_if=Field2 test" json:"field_3"`
		Field4  interface{}       `validate:"required_if=Field2 test" json:"field_4"`
		Field5  string            `validate:"required_if=Field3 1" json:"field_5"`
		Field6  string            `validate:"required_if=Inner.Field test" json:"field_6"`
		Field7  string            `validate:"required_if=Inner2.Field test" json:"field_7"`
		Field8  Inner             `validate:"required_if=Field2 test" json:"field_8"`
		Field9  *Inner            `validate:"required_if=Field2 test" json:"field_9"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field2: &fieldVal,
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 5)
	AssertError(t, errs, "Field3", "Field3", "Field3", "Field3", "required_if")
	AssertError(t, errs, "Field4", "Field4", "Field4", "Field4", "required_if")
	AssertError(t, errs, "Field6", "Field6", "Field6", "Field6", "required_if")
	AssertError(t, errs, "Field8", "Field8", "Field8", "Field8", "required_if")
	AssertError(t, errs, "Field9", "Field9", "Field9", "Field9", "required_if")

	defer func() {
		if r := recover(); r == nil {
			t.Errorf("test3 should have panicked!")
		}
	}()

	test3 := struct {
		Inner  *Inner
		Field1 string `validate:"required_if=Inner.Field" json:"field_1"`
	}{
		Inner: &Inner{Field: &fieldVal},
	}
	_ = validate.Struct(test3)
}

func TestRequiredIfDuplicateParams(t *testing.T) {
	validate := New()

	PanicMatches(t, func() {
		type TestStruct struct {
			Field1 string `validate:"required_if=Field2 value1 Field2 value2"`
			Field2 string
		}
		test := TestStruct{
			Field1: "",
			Field2: "value1",
		}
		_ = validate.Struct(test)
	}, "Duplicate param Field2 for required_if Field1")

	PanicMatches(t, func() {
		type TestStruct struct {
			Field1 string `validate:"required_if=Field2 val1 Field3 val2 Field2 val3"`
			Field2 string
			Field3 string
		}
		test := TestStruct{
			Field1: "",
			Field2: "val1",
			Field3: "val2",
		}
		_ = validate.Struct(test)
	}, "Duplicate param Field2 for required_if Field1")

	type TestStruct struct {
		Field1 string `validate:"required_if=Field2 val1 Field3 val2"`
		Field2 string
		Field3 string
	}
	test := TestStruct{
		Field1: "",
		Field2: "val1",
		Field3: "val2",
	}
	errs := validate.Struct(test)
	NotEqual(t, errs, nil)
}

func TestRequiredUnless(t *testing.T) {
	type Inner struct {
		Field *string
	}

	fieldVal := "test"
	test := struct {
		Inner   *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_unless=FieldE test" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_unless=Field1 test" json:"field_2"`
		Field3  map[string]string `validate:"required_unless=Field2 test" json:"field_3"`
		Field4  interface{}       `validate:"required_unless=Field3 1" json:"field_4"`
		Field5  int               `validate:"required_unless=Inner.Field test" json:"field_5"`
		Field6  uint              `validate:"required_unless=Field5 2" json:"field_6"`
		Field7  float32           `validate:"required_unless=Field6 0" json:"field_7"`
		Field8  float64           `validate:"required_unless=Field7 0.0" json:"field_8"`
		Field9  bool              `validate:"omitempty" json:"field_9"`
		Field10 string            `validate:"required_unless=Field9 true" json:"field_10"`
		Field11 Inner             `validate:"required_unless=Field9 true" json:"field_11"`
		Field12 *Inner            `validate:"required_unless=Field9 true" json:"field_12"`
	}{
		FieldE: "test",
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: 2,
		Field9: true,
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner   *Inner
		Inner2  *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_unless=FieldE test" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_unless=Field1 test" json:"field_2"`
		Field3  map[string]string `validate:"required_unless=Field2 test" json:"field_3"`
		Field4  interface{}       `validate:"required_unless=Field2 test" json:"field_4"`
		Field5  string            `validate:"required_unless=Field3 0" json:"field_5"`
		Field6  string            `validate:"required_unless=Inner.Field test" json:"field_6"`
		Field7  string            `validate:"required_unless=Inner2.Field test" json:"field_7"`
		Field8  bool              `validate:"omitempty" json:"field_8"`
		Field9  string            `validate:"required_unless=Field8 true" json:"field_9"`
		Field10 Inner             `validate:"required_unless=Field9 true" json:"field_10"`
		Field11 *Inner            `validate:"required_unless=Field9 true" json:"field_11"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		FieldE: "test",
		Field1: "test",
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 6)
	AssertError(t, errs, "Field3", "Field3", "Field3", "Field3", "required_unless")
	AssertError(t, errs, "Field4", "Field4", "Field4", "Field4", "required_unless")
	AssertError(t, errs, "Field7", "Field7", "Field7", "Field7", "required_unless")
	AssertError(t, errs, "Field9", "Field9", "Field9", "Field9", "required_unless")
	AssertError(t, errs, "Field10", "Field10", "Field10", "Field10", "required_unless")
	AssertError(t, errs, "Field11", "Field11", "Field11", "Field11", "required_unless")

	PanicMatches(t, func() {
		test3 := struct {
			Inner  *Inner
			Field1 string `validate:"required_unless=Inner.Field" json:"field_1"`
		}{
			Inner: &Inner{Field: &fieldVal},
		}
		_ = validate.Struct(test3)
	}, "Bad param number for required_unless Field1")

	type DuplicateStruct struct {
		Field1 string `validate:"required_unless=Field2 value1 Field2 value2"`
		Field2 string
	}
	test4 := DuplicateStruct{
		Field1: "",
		Field2: "value1",
	}
	errs = validate.Struct(test4)
	Equal(t, errs, nil)

	test5 := DuplicateStruct{
		Field1: "",
		Field2: "value2",
	}
	errs = validate.Struct(test5)
	Equal(t, errs, nil)

	test6 := DuplicateStruct{
		Field1: "",
		Field2: "value3",
	}
	errs = validate.Struct(test6)
	NotEqual(t, errs, nil)

	test7 := struct {
		Field1 int
		Field2 string `validate:"required_unless=Field1 1 Field1 2"`
		Field3 int
		Field4 string `validate:"required_unless=Field3 1 Field3 2"`
	}{
		Field1: 1,
		Field3: 3,
	}

	errs = validate.Struct(test7)
	NotEqual(t, errs, nil)

	AssertError(t, errs, "Field4", "Field4", "Field4", "Field4", "required_unless")
}

func TestSkipUnless(t *testing.T) {
	type Inner struct {
		Field *string
	}

	fieldVal := "test1"
	test := struct {
		Inner   *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"skip_unless=FieldE test" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"skip_unless=Field1 test" json:"field_2"`
		Field3  map[string]string `validate:"skip_unless=Field2 test" json:"field_3"`
		Field4  interface{}       `validate:"skip_unless=Field3 1" json:"field_4"`
		Field5  int               `validate:"skip_unless=Inner.Field test" json:"field_5"`
		Field6  uint              `validate:"skip_unless=Field5 2" json:"field_6"`
		Field7  float32           `validate:"skip_unless=Field6 1" json:"field_7"`
		Field8  float64           `validate:"skip_unless=Field7 1.0" json:"field_8"`
		Field9  bool              `validate:"omitempty" json:"field_9"`
		Field10 string            `validate:"skip_unless=Field9 false" json:"field_10"`
		Field11 Inner             `validate:"skip_unless=Field9 false" json:"field_11"`
		Field12 *Inner            `validate:"skip_unless=Field9 false" json:"field_12"`
	}{
		FieldE: "test1",
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: 3,
		Field9: true,
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner   *Inner
		Inner2  *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"skip_unless=FieldE test" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"skip_unless=Field1 test" json:"field_2"`
		Field3  map[string]string `validate:"skip_unless=Field2 test" json:"field_3"`
		Field4  interface{}       `validate:"skip_unless=Field2 test" json:"field_4"`
		Field5  string            `validate:"skip_unless=Field3 0" json:"field_5"`
		Field6  string            `validate:"skip_unless=Inner.Field test" json:"field_6"`
		Field7  string            `validate:"skip_unless=Inner2.Field test" json:"field_7"`
		Field8  bool              `validate:"omitempty" json:"field_8"`
		Field9  string            `validate:"skip_unless=Field8 true" json:"field_9"`
		Field10 Inner             `validate:"skip_unless=Field8 false" json:"field_10"`
		Field11 *Inner            `validate:"skip_unless=Field8 false" json:"field_11"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		FieldE: "test1",
		Field1: "test1",
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 3)
	AssertError(t, errs, "Field5", "Field5", "Field5", "Field5", "skip_unless")
	AssertError(t, errs, "Field10", "Field10", "Field10", "Field10", "skip_unless")
	AssertError(t, errs, "Field11", "Field11", "Field11", "Field11", "skip_unless")

	test3 := struct {
		Inner  *Inner
		Field1 string `validate:"skip_unless=Inner.Field" json:"field_1"`
	}{
		Inner: &Inner{Field: &fieldVal},
	}
	PanicMatches(t, func() {
		_ = validate.Struct(test3)
	}, "Bad param number for skip_unless Field1")

	test4 := struct {
		Inner  *Inner
		Field1 string `validate:"skip_unless=Inner.Field test1" json:"field_1"`
	}{
		Inner: &Inner{Field: &fieldVal},
	}
	errs = validate.Struct(test4)
	NotEqual(t, errs, nil)

	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "Field1", "Field1", "Field1", "Field1", "skip_unless")
}

func TestRequiredWith(t *testing.T) {
	type Inner struct {
		Field *string
	}

	fieldVal := "test"
	test := struct {
		Inner   *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_with=FieldE" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_with=Field1" json:"field_2"`
		Field3  map[string]string `validate:"required_with=Field2" json:"field_3"`
		Field4  interface{}       `validate:"required_with=Field3" json:"field_4"`
		Field5  string            `validate:"required_with=Field" json:"field_5"`
		Field6  Inner             `validate:"required_with=Field2" json:"field_6"`
		Field7  *Inner            `validate:"required_with=Field2" json:"field_7"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: Inner{Field: &fieldVal},
		Field7: &Inner{Field: &fieldVal},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner   *Inner
		Inner2  *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_with=FieldE" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_with=Field1" json:"field_2"`
		Field3  map[string]string `validate:"required_with=Field2" json:"field_3"`
		Field4  interface{}       `validate:"required_with=Field2" json:"field_4"`
		Field5  string            `validate:"required_with=Field3" json:"field_5"`
		Field6  string            `validate:"required_with=Inner.Field" json:"field_6"`
		Field7  string            `validate:"required_with=Inner2.Field" json:"field_7"`
		Field8  Inner             `validate:"required_with=Field2" json:"field_8"`
		Field9  *Inner            `validate:"required_with=Field2" json:"field_9"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field2: &fieldVal,
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 5)
	AssertError(t, errs, "Field3", "Field3", "Field3", "Field3", "required_with")
	AssertError(t, errs, "Field4", "Field4", "Field4", "Field4", "required_with")
	AssertError(t, errs, "Field6", "Field6", "Field6", "Field6", "required_with")
	AssertError(t, errs, "Field8", "Field8", "Field8", "Field8", "required_with")
	AssertError(t, errs, "Field9", "Field9", "Field9", "Field9", "required_with")
}

func TestExcludedWith(t *testing.T) {
	type Inner struct {
		FieldE string
		Field  *string
	}

	fieldVal := "test"
	test := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_with=FieldE" json:"field_1"`
		Field2 *string           `validate:"excluded_with=FieldE" json:"field_2"`
		Field3 map[string]string `validate:"excluded_with=FieldE" json:"field_3"`
		Field4 interface{}       `validate:"excluded_with=FieldE" json:"field_4"`
		Field5 string            `validate:"excluded_with=Inner.FieldE" json:"field_5"`
		Field6 string            `validate:"excluded_with=Inner2.FieldE" json:"field_6"`
		Field7 Inner             `validate:"excluded_with=FieldE" json:"field_7"`
		Field8 *Inner            `validate:"excluded_with=FieldE" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: "test",
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_with=Field" json:"field_1"`
		Field2 *string           `validate:"excluded_with=Field" json:"field_2"`
		Field3 map[string]string `validate:"excluded_with=Field" json:"field_3"`
		Field4 interface{}       `validate:"excluded_with=Field" json:"field_4"`
		Field5 string            `validate:"excluded_with=Inner.Field" json:"field_5"`
		Field6 string            `validate:"excluded_with=Inner2.Field" json:"field_6"`
		Field7 Inner             `validate:"excluded_with=Field" json:"field_7"`
		Field8 *Inner            `validate:"excluded_with=Field" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field:  "populated",
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: "test",
		Field7: Inner{FieldE: "potato"},
		Field8: &Inner{FieldE: "potato"},
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 7)
	for i := 1; i <= 7; i++ {
		// accounting for field 7 & 8 failures, 6 skipped because no failure
		if i > 5 {
			i++
		}
		name := fmt.Sprintf("Field%d", i)
		AssertError(t, errs, name, name, name, name, "excluded_with")
	}

	test3 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_with=FieldE" json:"field_1"`
		Field2 *string           `validate:"excluded_with=FieldE" json:"field_2"`
		Field3 map[string]string `validate:"excluded_with=FieldE" json:"field_3"`
		Field4 interface{}       `validate:"excluded_with=FieldE" json:"field_4"`
		Field5 string            `validate:"excluded_with=Inner.FieldE" json:"field_5"`
		Field6 string            `validate:"excluded_with=Inner2.FieldE" json:"field_6"`
		Field7 Inner             `validate:"excluded_with=FieldE" json:"field_7"`
		Field8 *Inner            `validate:"excluded_with=FieldE" json:"field_8"`
	}{
		Inner:  &Inner{FieldE: "populated"},
		Inner2: &Inner{FieldE: "populated"},
		FieldE: "populated",
	}

	validate = New()

	errs = validate.Struct(test3)
	Equal(t, errs, nil)
}

func TestExcludedWithout(t *testing.T) {
	type Inner struct {
		FieldE string
		Field  *string
	}

	fieldVal := "test"
	test := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_without=Field" json:"field_1"`
		Field2 *string           `validate:"excluded_without=Field" json:"field_2"`
		Field3 map[string]string `validate:"excluded_without=Field" json:"field_3"`
		Field4 interface{}       `validate:"excluded_without=Field" json:"field_4"`
		Field5 string            `validate:"excluded_without=Inner.Field" json:"field_5"`
		Field6 Inner             `validate:"excluded_without=Field" json:"field_6"`
		Field7 *Inner            `validate:"excluded_without=Field" json:"field_7"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field:  "populated",
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: Inner{FieldE: "potato"},
		Field7: &Inner{FieldE: "potato"},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_without=FieldE" json:"field_1"`
		Field2 *string           `validate:"excluded_without=FieldE" json:"field_2"`
		Field3 map[string]string `validate:"excluded_without=FieldE" json:"field_3"`
		Field4 interface{}       `validate:"excluded_without=FieldE" json:"field_4"`
		Field5 string            `validate:"excluded_without=Inner.FieldE" json:"field_5"`
		Field6 string            `validate:"excluded_without=Inner2.FieldE" json:"field_6"`
		Field7 Inner             `validate:"excluded_without=FieldE" json:"field_7"`
		Field8 *Inner            `validate:"excluded_without=FieldE" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: "test",
		Field7: Inner{FieldE: "potato"},
		Field8: &Inner{FieldE: "potato"},
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 8)
	for i := 1; i <= 8; i++ {
		name := fmt.Sprintf("Field%d", i)
		AssertError(t, errs, name, name, name, name, "excluded_without")
	}

	test3 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_without=Field" json:"field_1"`
		Field2 *string           `validate:"excluded_without=Field" json:"field_2"`
		Field3 map[string]string `validate:"excluded_without=Field" json:"field_3"`
		Field4 interface{}       `validate:"excluded_without=Field" json:"field_4"`
		Field5 string            `validate:"excluded_without=Inner.Field" json:"field_5"`
		Field6 Inner             `validate:"excluded_without=Field" json:"field_6"`
		Field7 *Inner            `validate:"excluded_without=Field" json:"field_7"`
	}{
		Inner: &Inner{Field: &fieldVal},
		Field: "populated",
	}

	validate = New()

	errs = validate.Struct(test3)
	Equal(t, errs, nil)

	// Multiple parameters: the field is excluded only when one of them is absent.
	test4 := struct {
		Field1 string `validate:"excluded_without=Field2 Field3" json:"field_1"`
		Field2 string `json:"field_2"`
		Field3 string `json:"field_3"`
	}{
		Field1: "test",
		Field2: "test",
		Field3: "test",
	}

	errs = validate.Struct(&test4)
	Equal(t, errs, nil)

	test5 := struct {
		Field1 string `validate:"excluded_without=Field2 Field3" json:"field_1"`
		Field2 string `json:"field_2"`
		Field3 string `json:"field_3"`
	}{
		Field1: "test",
		Field3: "test",
	}

	errs = validate.Struct(&test5)
	NotEqual(t, errs, nil)

	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "Field1", "Field1", "Field1", "Field1", "excluded_without")
}

func TestExcludedWithAll(t *testing.T) {
	type Inner struct {
		FieldE string
		Field  *string
	}

	fieldVal := "test"
	test := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_with_all=FieldE Field" json:"field_1"`
		Field2 *string           `validate:"excluded_with_all=FieldE Field" json:"field_2"`
		Field3 map[string]string `validate:"excluded_with_all=FieldE Field" json:"field_3"`
		Field4 interface{}       `validate:"excluded_with_all=FieldE Field" json:"field_4"`
		Field5 string            `validate:"excluded_with_all=Inner.FieldE" json:"field_5"`
		Field6 string            `validate:"excluded_with_all=Inner2.FieldE" json:"field_6"`
		Field7 Inner             `validate:"excluded_with_all=FieldE Field" json:"field_7"`
		Field8 *Inner            `validate:"excluded_with_all=FieldE Field" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field:  fieldVal,
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: "test",
		Field7: Inner{FieldE: "potato"},
		Field8: &Inner{FieldE: "potato"},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_with_all=Field FieldE" json:"field_1"`
		Field2 *string           `validate:"excluded_with_all=Field FieldE" json:"field_2"`
		Field3 map[string]string `validate:"excluded_with_all=Field FieldE" json:"field_3"`
		Field4 interface{}       `validate:"excluded_with_all=Field FieldE" json:"field_4"`
		Field5 string            `validate:"excluded_with_all=Inner.Field" json:"field_5"`
		Field6 string            `validate:"excluded_with_all=Inner2.Field" json:"field_6"`
		Field7 Inner             `validate:"excluded_with_all=Field FieldE" json:"field_7"`
		Field8 *Inner            `validate:"excluded_with_all=Field FieldE" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field:  "populated",
		FieldE: "populated",
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: "test",
		Field7: Inner{FieldE: "potato"},
		Field8: &Inner{FieldE: "potato"},
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 7)
	for i := 1; i <= 7; i++ {
		// accounting for no err for field 6
		if i > 5 {
			i++
		}
		name := fmt.Sprintf("Field%d", i)
		AssertError(t, errs, name, name, name, name, "excluded_with_all")
	}

	test3 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_with_all=FieldE Field" json:"field_1"`
		Field2 *string           `validate:"excluded_with_all=FieldE Field" json:"field_2"`
		Field3 map[string]string `validate:"excluded_with_all=FieldE Field" json:"field_3"`
		Field4 interface{}       `validate:"excluded_with_all=FieldE Field" json:"field_4"`
		Field5 string            `validate:"excluded_with_all=Inner.FieldE" json:"field_5"`
		Field6 string            `validate:"excluded_with_all=Inner2.FieldE" json:"field_6"`
		Field7 Inner             `validate:"excluded_with_all=Field FieldE" json:"field_7"`
		Field8 *Inner            `validate:"excluded_with_all=Field FieldE" json:"field_8"`
	}{
		Inner:  &Inner{FieldE: "populated"},
		Inner2: &Inner{FieldE: "populated"},
		Field:  "populated",
		FieldE: "populated",
	}

	validate = New()

	errs = validate.Struct(test3)
	Equal(t, errs, nil)
}

func TestExcludedWithoutAll(t *testing.T) {
	type Inner struct {
		FieldE string
		Field  *string
	}

	fieldVal := "test"
	test := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_without_all=Field FieldE" json:"field_1"`
		Field2 *string           `validate:"excluded_without_all=Field FieldE" json:"field_2"`
		Field3 map[string]string `validate:"excluded_without_all=Field FieldE" json:"field_3"`
		Field4 interface{}       `validate:"excluded_without_all=Field FieldE" json:"field_4"`
		Field5 string            `validate:"excluded_without_all=Inner.Field Inner2.Field" json:"field_5"`
		Field6 Inner             `validate:"excluded_without_all=Field FieldE" json:"field_6"`
		Field7 *Inner            `validate:"excluded_without_all=Field FieldE" json:"field_7"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Inner2: &Inner{Field: &fieldVal},
		Field:  "populated",
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: Inner{FieldE: "potato"},
		Field7: &Inner{FieldE: "potato"},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_without_all=FieldE Field" json:"field_1"`
		Field2 *string           `validate:"excluded_without_all=FieldE Field" json:"field_2"`
		Field3 map[string]string `validate:"excluded_without_all=FieldE Field" json:"field_3"`
		Field4 interface{}       `validate:"excluded_without_all=FieldE Field" json:"field_4"`
		Field5 string            `validate:"excluded_without_all=Inner.FieldE" json:"field_5"`
		Field6 string            `validate:"excluded_without_all=Inner2.FieldE" json:"field_6"`
		Field7 Inner             `validate:"excluded_without_all=Field FieldE" json:"field_7"`
		Field8 *Inner            `validate:"excluded_without_all=Field FieldE" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field1: fieldVal,
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: "test",
		Field7: Inner{FieldE: "potato"},
		Field8: &Inner{FieldE: "potato"},
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 8)
	for i := 1; i <= 8; i++ {
		name := fmt.Sprintf("Field%d", i)
		AssertError(t, errs, name, name, name, name, "excluded_without_all")
	}

	test3 := struct {
		Inner  *Inner
		Inner2 *Inner
		Field  string            `validate:"omitempty" json:"field"`
		FieldE string            `validate:"omitempty" json:"field_e"`
		Field1 string            `validate:"excluded_without_all=Field FieldE" json:"field_1"`
		Field2 *string           `validate:"excluded_without_all=Field FieldE" json:"field_2"`
		Field3 map[string]string `validate:"excluded_without_all=Field FieldE" json:"field_3"`
		Field4 interface{}       `validate:"excluded_without_all=Field FieldE" json:"field_4"`
		Field5 string            `validate:"excluded_without_all=Inner.Field Inner2.Field" json:"field_5"`
		Field6 Inner             `validate:"excluded_without_all=Field FieldE" json:"field_6"`
		Field7 *Inner            `validate:"excluded_without_all=Field FieldE" json:"field_7"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Inner2: &Inner{Field: &fieldVal},
		Field:  "populated",
		FieldE: "populated",
	}

	validate = New()

	errs = validate.Struct(test3)
	Equal(t, errs, nil)
}

func TestRequiredWithAll(t *testing.T) {
	type Inner struct {
		Field *string
	}

	fieldVal := "test"
	test := struct {
		Inner   *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_with_all=FieldE" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_with_all=Field1" json:"field_2"`
		Field3  map[string]string `validate:"required_with_all=Field2" json:"field_3"`
		Field4  interface{}       `validate:"required_with_all=Field3" json:"field_4"`
		Field5  string            `validate:"required_with_all=Inner.Field" json:"field_5"`
		Field6  Inner             `validate:"required_with_all=Field1 Field2" json:"field_6"`
		Field7  *Inner            `validate:"required_with_all=Field1 Field2" json:"field_7"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field1: "test_field1",
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: Inner{Field: &fieldVal},
		Field7: &Inner{Field: &fieldVal},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner   *Inner
		Inner2  *Inner
		FieldE  string            `validate:"omitempty" json:"field_e"`
		FieldER string            `validate:"required_with_all=FieldE" json:"field_er"`
		Field1  string            `validate:"omitempty" json:"field_1"`
		Field2  *string           `validate:"required_with_all=Field1" json:"field_2"`
		Field3  map[string]string `validate:"required_with_all=Field2" json:"field_3"`
		Field4  interface{}       `validate:"required_with_all=Field1 FieldE" json:"field_4"`
		Field5  string            `validate:"required_with_all=Inner.Field Field2" json:"field_5"`
		Field6  string            `validate:"required_with_all=Inner2.Field Field2" json:"field_6"`
		Field7  Inner             `validate:"required_with_all=Inner.Field Field2" json:"field_7"`
		Field8  *Inner            `validate:"required_with_all=Inner.Field Field2" json:"field_8"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field2: &fieldVal,
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 4)
	AssertError(t, errs, "Field3", "Field3", "Field3", "Field3", "required_with_all")
	AssertError(t, errs, "Field5", "Field5", "Field5", "Field5", "required_with_all")
	AssertError(t, errs, "Field7", "Field7", "Field7", "Field7", "required_with_all")
	AssertError(t, errs, "Field8", "Field8", "Field8", "Field8", "required_with_all")
}

func TestRequiredWithout(t *testing.T) {
	type Inner struct {
		Field *string
	}

	fieldVal := "test"
	test := struct {
		Inner  *Inner
		Field1 string            `validate:"omitempty" json:"field_1"`
		Field2 *string           `validate:"required_without=Field1" json:"field_2"`
		Field3 map[string]string `validate:"required_without=Field2" json:"field_3"`
		Field4 interface{}       `validate:"required_without=Field3" json:"field_4"`
		Field5 string            `validate:"required_without=Field3" json:"field_5"`
		Field6 Inner             `validate:"required_without=Field1" json:"field_6"`
		Field7 *Inner            `validate:"required_without=Field1" json:"field_7"`
	}{
		Inner:  &Inner{Field: &fieldVal},
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: Inner{Field: &fieldVal},
		Field7: &Inner{Field: &fieldVal},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Inner   *Inner
		Inner2  *Inner
		Field1  string            `json:"field_1"`
		Field2  *string           `validate:"required_without=Field1" json:"field_2"`
		Field3  map[string]string `validate:"required_without=Field2" json:"field_3"`
		Field4  interface{}       `validate:"required_without=Field3" json:"field_4"`
		Field5  string            `validate:"required_without=Field3" json:"field_5"`
		Field6  string            `validate:"required_without=Field1" json:"field_6"`
		Field7  string            `validate:"required_without=Inner.Field" json:"field_7"`
		Field8  string            `validate:"required_without=Inner.Field" json:"field_8"`
		Field9  Inner             `validate:"required_without=Field1" json:"field_9"`
		Field10 *Inner            `validate:"required_without=Field1" json:"field_10"`
	}{
		Inner:  &Inner{},
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
	}

	errs = validate.Struct(&test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 6)
	AssertError(t, errs, "Field2", "Field2", "Field2", "Field2", "required_without")
	AssertError(t, errs, "Field6", "Field6", "Field6", "Field6", "required_without")
	AssertError(t, errs, "Field7", "Field7", "Field7", "Field7", "required_without")
	AssertError(t, errs, "Field8", "Field8", "Field8", "Field8", "required_without")
	AssertError(t, errs, "Field9", "Field9", "Field9", "Field9", "required_without")
	AssertError(t, errs, "Field10", "Field10", "Field10", "Field10", "required_without")

	test3 := struct {
		Field1 *string `validate:"required_without=Field2,omitempty,min=1" json:"field_1"`
		Field2 *string `validate:"required_without=Field1,omitempty,min=1" json:"field_2"`
	}{
		Field1: &fieldVal,
	}

	errs = validate.Struct(&test3)
	Equal(t, errs, nil)

	test4 := struct {
		Field1 string `validate:"required_without=Field2 Field3,omitempty,min=1" json:"field_1"`
		Field2 string `json:"field_2"`
		Field3 string `json:"field_3"`
	}{
		Field1: "test",
	}

	errs = validate.Struct(&test4)
	Equal(t, errs, nil)

	test5 := struct {
		Field1 string `validate:"required_without=Field2 Field3,omitempty,min=1" json:"field_1"`
		Field2 string `json:"field_2"`
		Field3 string `json:"field_3"`
	}{
		Field3: "test",
	}

	errs = validate.Struct(&test5)
	NotEqual(t, errs, nil)

	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "Field1", "Field1", "Field1", "Field1", "required_without")
}

func TestRequiredWithoutAll(t *testing.T) {
	type nested struct {
		value string
	}
	fieldVal := "test"
	test := struct {
		Field1 string            `validate:"omitempty" json:"field_1"`
		Field2 *string           `validate:"required_without_all=Field1" json:"field_2"`
		Field3 map[string]string `validate:"required_without_all=Field2" json:"field_3"`
		Field4 interface{}       `validate:"required_without_all=Field3" json:"field_4"`
		Field5 string            `validate:"required_without_all=Field3" json:"field_5"`
		Field6 nested            `validate:"required_without_all=Field1" json:"field_6"`
		Field7 *nested           `validate:"required_without_all=Field1" json:"field_7"`
	}{
		Field1: "",
		Field2: &fieldVal,
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
		Field6: nested{"potato"},
		Field7: &nested{"potato"},
	}

	validate := New()

	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		Field1 string            `validate:"omitempty" json:"field_1"`
		Field2 *string           `validate:"required_without_all=Field1" json:"field_2"`
		Field3 map[string]string `validate:"required_without_all=Field2" json:"field_3"`
		Field4 interface{}       `validate:"required_without_all=Field3" json:"field_4"`
		Field5 string            `validate:"required_without_all=Field3" json:"field_5"`
		Field6 string            `validate:"required_without_all=Field1 Field3" json:"field_6"`
		Field7 nested            `validate:"required_without_all=Field1" json:"field_7"`
		Field8 *nested           `validate:"required_without_all=Field1" json:"field_8"`
	}{
		Field3: map[string]string{"key": "val"},
		Field4: "test",
		Field5: "test",
	}

	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)

	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 3)
	AssertError(t, errs, "Field2", "Field2", "Field2", "Field2", "required_without_all")
	AssertError(t, errs, "Field7", "Field7", "Field7", "Field7", "required_without_all")
	AssertError(t, errs, "Field8", "Field8", "Field8", "Field8", "required_without_all")
}

func TestExcludedIf(t *testing.T) {
	validate := New()
	type Inner struct {
		Field *string
	}

	shouldExclude := "exclude"
	shouldNotExclude := "dontExclude"

	test1 := struct {
		FieldE  string  `validate:"omitempty" json:"field_e"`
		FieldER *string `validate:"excluded_if=FieldE exclude" json:"field_er"`
	}{
		FieldE: shouldExclude,
	}
	errs := validate.Struct(test1)
	Equal(t, errs, nil)

	test2 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_if=FieldE exclude" json:"field_er"`
	}{
		FieldE:  shouldExclude,
		FieldER: "set",
	}
	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)
	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "FieldER", "FieldER", "FieldER", "FieldER", "excluded_if")

	test3 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldF  string `validate:"omitempty" json:"field_f"`
		FieldER string `validate:"excluded_if=FieldE exclude FieldF exclude" json:"field_er"`
	}{
		FieldE:  shouldExclude,
		FieldF:  shouldExclude,
		FieldER: "set",
	}
	errs = validate.Struct(test3)
	NotEqual(t, errs, nil)
	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "FieldER", "FieldER", "FieldER", "FieldER", "excluded_if")

	test4 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldF  string `validate:"omitempty" json:"field_f"`
		FieldER string `validate:"excluded_if=FieldE exclude FieldF exclude" json:"field_er"`
	}{
		FieldE:  shouldExclude,
		FieldF:  shouldNotExclude,
		FieldER: "set",
	}
	errs = validate.Struct(test4)
	Equal(t, errs, nil)

	test5 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_if=FieldE exclude" json:"field_er"`
	}{
		FieldE: shouldNotExclude,
	}
	errs = validate.Struct(test5)
	Equal(t, errs, nil)

	test6 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_if=FieldE exclude" json:"field_er"`
	}{
		FieldE:  shouldNotExclude,
		FieldER: "set",
	}
	errs = validate.Struct(test6)
	Equal(t, errs, nil)

	test7 := struct {
		Inner  *Inner
		FieldE string `validate:"omitempty" json:"field_e"`
		Field1 int    `validate:"excluded_if=Inner.Field exclude" json:"field_1"`
	}{
		Inner: &Inner{Field: &shouldExclude},
	}
	errs = validate.Struct(test7)
	Equal(t, errs, nil)

	test8 := struct {
		Inner  *Inner
		FieldE string `validate:"omitempty" json:"field_e"`
		Field1 int    `validate:"excluded_if=Inner.Field exclude" json:"field_1"`
	}{
		Inner:  &Inner{Field: &shouldExclude},
		Field1: 1,
	}
	errs = validate.Struct(test8)
	NotEqual(t, errs, nil)
	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "Field1", "Field1", "Field1", "Field1", "excluded_if")

	test9 := struct {
		Inner  *Inner
		FieldE string `validate:"omitempty" json:"field_e"`
		Field1 int    `validate:"excluded_if=Inner.Field exclude" json:"field_1"`
	}{
		Inner: &Inner{Field: &shouldNotExclude},
	}
	errs = validate.Struct(test9)
	Equal(t, errs, nil)

	test10 := struct {
		Inner  *Inner
		FieldE string `validate:"omitempty" json:"field_e"`
		Field1 int    `validate:"excluded_if=Inner.Field exclude" json:"field_1"`
	}{
		Inner:  &Inner{Field: &shouldNotExclude},
		Field1: 1,
	}
	errs = validate.Struct(test10)
	Equal(t, errs, nil)

	test11 := struct {
		Field1 bool
		Field2 *string `validate:"excluded_if=Field1 false"`
	}{
		Field1: false,
		Field2: nil,
	}
	errs = validate.Struct(test11)
	Equal(t, errs, nil)

	test12 := struct {
		Field1 bool
		Field2 *string `validate:"excluded_if=Field1 !Field1"`
	}{
		Field1: true,
		Field2: nil,
	}
	errs = validate.Struct(test12)
	Equal(t, errs, nil)
	// Checks number of params in struct tag is correct
	defer func() {
		if r := recover(); r == nil {
			t.Errorf("panicTest should have panicked!")
		}
	}()
	fieldVal := "panicTest"
	panicTest := struct {
		Inner  *Inner
		Field1 string `validate:"excluded_if=Inner.Field" json:"field_1"`
	}{
		Inner: &Inner{Field: &fieldVal},
	}
	_ = validate.Struct(panicTest)
}

func TestExcludedUnless(t *testing.T) {
	validate := New()
	type Inner struct {
		Field *string
	}

	fieldVal := "test"
	test := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_unless=FieldE test" json:"field_er"`
	}{
		FieldE:  "test",
		FieldER: "filled",
	}
	errs := validate.Struct(test)
	Equal(t, errs, nil)

	test2 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_unless=FieldE test" json:"field_er"`
	}{
		FieldE:  "notest",
		FieldER: "filled",
	}
	errs = validate.Struct(test2)
	NotEqual(t, errs, nil)
	ve := errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "FieldER", "FieldER", "FieldER", "FieldER", "excluded_unless")

	// test5 and test6: excluded_unless has no effect if FieldER is left blank
	test5 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_unless=FieldE test" json:"field_er"`
	}{
		FieldE: "test",
	}
	errs = validate.Struct(test5)
	Equal(t, errs, nil)

	test6 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_unless=FieldE test" json:"field_er"`
	}{
		FieldE: "notest",
	}
	errs = validate.Struct(test6)
	Equal(t, errs, nil)

	shouldError := "notest"
	test3 := struct {
		Inner  *Inner
		Field1 string `validate:"excluded_unless=Inner.Field test" json:"field_1"`
	}{
		Inner:  &Inner{Field: &shouldError},
		Field1: "filled",
	}
	errs = validate.Struct(test3)
	NotEqual(t, errs, nil)
	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)
	AssertError(t, errs, "Field1", "Field1", "Field1", "Field1", "excluded_unless")

	shouldPass := "test"
	test4 := struct {
		Inner  *Inner
		FieldE string `validate:"omitempty" json:"field_e"`
		Field1 string `validate:"excluded_unless=Inner.Field test" json:"field_1"`
	}{
		Inner:  &Inner{Field: &shouldPass},
		Field1: "filled",
	}
	errs = validate.Struct(test4)
	Equal(t, errs, nil)

	// test7 and test8: excluded_unless has no effect if FieldER is left blank
	test7 := struct {
		Inner   *Inner
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_unless=Inner.Field test" json:"field_er"`
	}{
		FieldE: "test",
	}
	errs = validate.Struct(test7)
	Equal(t, errs, nil)

	test8 := struct {
		FieldE  string `validate:"omitempty" json:"field_e"`
		FieldER string `validate:"excluded_unless=Inner.Field test" json:"field_er"`
	}{
		FieldE: "test",
	}
	errs = validate.Struct(test8)
	Equal(t, errs, nil)

	// Checks number of params in struct tag is correct
	defer func() {
		if r := recover(); r == nil {
			t.Errorf("panicTest should have panicked!")
		}
	}()
	panicTest := struct {
		Inner  *Inner
		Field1 string `validate:"excluded_unless=Inner.Field" json:"field_1"`
	}{
		Inner: &Inner{Field: &fieldVal},
	}
	_ = validate.Struct(panicTest)

	test9 := struct {
		Field1 int
		Field2 string `validate:"excluded_unless=Field1 1 Field1 2"`
		Field3 int
		Field4 string `validate:"excluded_unless=Field3 1 Field3 2"`
	}{
		Field1: 1,
		Field2: "foo",
		Field3: 3,
		Field4: "foo",
	}

	errs = validate.Struct(test9)
	NotEqual(t, errs, nil)

	ve = errs.(ValidationErrors)
	Equal(t, len(ve), 1)

	AssertError(t, errs, "Field4", "Field4", "Field4", "Field4", "excluded_unless")
}

func TestLookup(t *testing.T) {
	type Lookup struct {
		FieldA *string `json:"fieldA,omitempty" validate:"required_without=FieldB"`
		FieldB *string `json:"fieldB,omitempty" validate:"required_without=FieldA"`
	}

	fieldAValue := "1232"
	lookup := Lookup{
		FieldA: &fieldAValue,
		FieldB: nil,
	}
	Equal(t, New().Struct(lookup), nil)
}

func TestAbilityToValidateNils(t *testing.T) {
	type TestStruct struct {
		Test *string `validate:"nil"`
	}

	ts := TestStruct{}
	val := New()
	fn := func(fl FieldLevel) bool {
		return fl.Field().Kind() == reflect.Ptr && fl.Field().IsNil()
	}

	err := val.RegisterValidation("nil", fn, true)
	Equal(t, err, nil)

	errs := val.Struct(ts)
	Equal(t, errs, nil)

	str := "string"
	ts.Test = &str

	errs = val.Struct(ts)
	NotEqual(t, errs, nil)
}

func TestRequiredWithoutPointers(t *testing.T) {
	type Lookup struct {
		FieldA *bool `json:"fieldA,omitempty" validate:"required_without=FieldB"`
		FieldB *bool `json:"fieldB,omitempty" validate:"required_without=FieldA"`
	}

	b := true
	lookup := Lookup{
		FieldA: &b,
		FieldB: nil,
	}

	val := New()
	errs := val.Struct(lookup)
	Equal(t, errs, nil)

	b = false
	lookup = Lookup{
		FieldA: &b,
		FieldB: nil,
	}
	errs = val.Struct(lookup)
	Equal(t, errs, nil)
}

func TestRequiredWithoutAllPointers(t *testing.T) {
	type Lookup struct {
		FieldA *bool `json:"fieldA,omitempty" validate:"required_without_all=FieldB"`
		FieldB *bool `json:"fieldB,omitempty" validate:"required_without_all=FieldA"`
	}

	b := true
	lookup := Lookup{
		FieldA: &b,
		FieldB: nil,
	}

	val := New()
	errs := val.Struct(lookup)
	Equal(t, errs, nil)

	b = false
	lookup = Lookup{
		FieldA: &b,
		FieldB: nil,
	}
	errs = val.Struct(lookup)
	Equal(t, errs, nil)
}

func TestGetTag(t *testing.T) {
	var tag string

	type Test struct {
		String string `validate:"mytag"`
	}

	val := New()
	_ = val.RegisterValidation("mytag", func(fl FieldLevel) bool {
		tag = fl.GetTag()
		return true
	})

	var test Test
	errs := val.Struct(test)
	Equal(t, errs, nil)
	Equal(t, tag, "mytag")
}

func TestJSONValidation(t *testing.T) {
	tests := []struct {
		param    interface{}
		expected bool
	}{
		{`foo`, false},
		{`}{`, false},
		{`{]`, false},
		{`{}`, true},
		{`{"foo":"bar"}`, true},
		{`{"foo":"bar","bar":{"baz":["qux"]}}`, true},
		{`{"foo": 3 "bar": 4}`, false},
		{`{"foo": 3 ,"bar": 4`, false},
		{`{foo": 3, "bar": 4}`, false},
		{`foo`, false},
		{`1`, true},
		{`true`, true},
		{`null`, true},
		{`"null"`, true},
		{json.RawMessage(`foo`), false},
		{json.RawMessage(`}{`), false},
		{json.RawMessage(`{]`), false},
		{json.RawMessage(`{}`), true},
		{json.RawMessage(`{"foo":"bar"}`), true},
		{json.RawMessage(`{"foo":"bar","bar":{"baz":["qux"]}}`), true},
		{json.RawMessage(`{"foo": 3 "bar": 4}`), false},
		{json.RawMessage(`{"foo": 3 ,"bar": 4`), false},
		{json.RawMessage(`{foo": 3, "bar": 4}`), false},
		{json.RawMessage(`foo`), false},
		{json.RawMessage(`1`), true},
		{json.RawMessage(`true`), true},
		{json.RawMessage(`null`), true},
		{json.RawMessage(`"null"`), true},
		{[]byte(`foo`), false},
		{[]byte(`}{`), false},
		{[]byte(`{]`), false},
		{[]byte(`{}`), true},
		{[]byte(`{"foo":"bar"}`), true},
		{[]byte(`{"foo":"bar","bar":{"baz":["qux"]}}`), true},
		{[]byte(`{"foo": 3 "bar": 4}`), false},
		{[]byte(`{"foo": 3 ,"bar": 4`), false},
		{[]byte(`{foo": 3, "bar": 4}`), false},
		{[]byte(`foo`), false},
		{[]byte(`1`), true},
		{[]byte(`true`), true},
		{[]byte(`null`), true},
		{[]byte(`"null"`), true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "json")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d json failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d json failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "json" {
					t.Fatalf("Index: %d json failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "json")
	}, "Bad field type int")
}

func TestJWTValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{"eyJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiZ29waGVyIn0.O_bROM_szPq9qBql-XDHMranHwP48ODdoLICWzqBr_U", true},
		{"acb123-_.def456-_.ghi789-_", true},
		{"eyJhbGciOiJOT05FIn0.e30.", true},
		{"eyJhbGciOiJOT05FIn0.e30.\n", false},
		{"\x00.\x00.\x00", false},
		{"", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "jwt")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d jwt failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d jwt failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "jwt" {
					t.Fatalf("Index: %d jwt failed Error: %s", i, errs)
				}
			}
		}
	}
}

func Test_hostnameport_validator(t *testing.T) {
	type Host struct {
		Addr string `validate:"hostname_port"`
	}

	type testInput struct {
		data     string
		expected bool
	}
	testData := []testInput{
		{"bad..domain.name:234", false},
		{"extra.dot.com.", false},
		{"localhost:1234", true},
		{"192.168.1.1:1234", true},
		{":1234", true},
		{"domain.com:1334", true},
		{"this.domain.com:234", true},
		{"domain:75000", false},
		{"missing.port", false},
	}
	for _, td := range testData {
		h := Host{Addr: td.data}
		v := New()
		err := v.Struct(h)
		if td.expected != (err == nil) {
			t.Fatalf("Test failed for data: %v Error: %v", td.data, err)
		}
	}
}

func Test_port_validator(t *testing.T) {
	type Port int64

	type Host struct {
		Port interface{} `validate:"port"`
	}

	tests := []struct {
		name     string
		value    interface{}
		expected bool
	}{
		{"uint32 zero", uint32(0), false},
		{"uint32 minimum", uint32(1), true},
		{"uint32 maximum", uint32(65535), true},
		{"uint32 above maximum", uint32(65536), false},
		{"uint valid", uint(8080), true},
		{"uint8 valid", uint8(80), true},
		{"uint16 maximum", uint16(65535), true},
		{"uint64 maximum value", ^uint64(0), false},
		{"uintptr valid", uintptr(8080), true},
		{"int valid", int(8080), true},
		{"int negative", int(-1), false},
		{"int zero", int(0), false},
		{"int minimum", int(1), true},
		{"int maximum", int(65535), true},
		{"int above maximum", int(65536), false},
		{"int8 valid", int8(80), true},
		{"int8 negative", int8(-1), false},
		{"int16 valid", int16(8080), true},
		{"int16 negative", int16(-1), false},
		{"int32 valid", int32(8080), true},
		{"int32 above maximum", int32(65536), false},
		{"int64 valid", int64(8080), true},
		{"int64 negative", int64(-1), false},
		{"int64 large value", int64(1 << 32), false},
		{"named integer valid", Port(8080), true},
		{"named integer negative", Port(-1), false},
	}

	validate := New()
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := validate.Struct(Host{Port: tt.value})
			if (err == nil) != tt.expected {
				t.Fatalf("port %v (%T): expected valid=%v, got error %v", tt.value, tt.value, tt.expected, err)
			}
		})
	}
}

func Test_port_validator_unsupported_types(t *testing.T) {
	tests := []struct {
		name     string
		value    interface{}
		expected string
	}{
		{"string", "8080", "Bad field type string"},
		{"float", float64(8080), "Bad field type float64"},
		{"bool", true, "Bad field type bool"},
		{"slice", []int{8080}, "Bad field type []int"},
	}

	validate := New()
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			PanicMatches(t, func() { _ = validate.Var(tt.value, "port") }, tt.expected)
		})
	}
}

func TestLowercaseValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{`abcdefg`, true},
		{`Abcdefg`, false},
		{"", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "lowercase")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d lowercase failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d lowercase failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "lowercase" {
					t.Fatalf("Index: %d lowercase failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "lowercase")
	}, "Bad field type int")
}

func TestUppercaseValidation(t *testing.T) {
	tests := []struct {
		param    string
		expected bool
	}{
		{`ABCDEFG`, true},
		{`aBCDEFG`, false},
		{"", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.param, "uppercase")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d uppercase failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d uppercase failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "uppercase" {
					t.Fatalf("Index: %d uppercase failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "uppercase")
	}, "Bad field type int")
}

func TestDatetimeValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"datetime=2006-01-02"`
		tag      string
		expected bool
	}{
		{"2008-02-01", `datetime=2006-01-02`, true},
		{"2008-Feb-01", `datetime=2006-01-02`, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d datetime failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d datetime failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "datetime" {
					t.Fatalf("Index: %d datetime failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "datetime")
	}, "Bad field type int")
}

func TestIsIso3166Alpha2Validation(t *testing.T) {
	tests := []struct {
		value    string `validate:"iso3166_1_alpha2"`
		expected bool
	}{
		{"PL", true},
		{"POL", false},
		{"AA", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_1_alpha2")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha2 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha2 failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso3166Alpha2EUValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"iso3166_1_alpha2_eu"`
		expected bool
	}{
		{"SE", true},
		{"UK", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_1_alpha2_eu")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha2_eu failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha2_eu failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso31662Validation(t *testing.T) {
	tests := []struct {
		value    string `validate:"iso3166_2"`
		expected bool
	}{
		{"US-FL", true},
		{"US-F", false},
		{"US", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_2")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_2 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_2 failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso3166Alpha3Validation(t *testing.T) {
	tests := []struct {
		value    string `validate:"iso3166_1_alpha3"`
		expected bool
	}{
		{"POL", true},
		{"PL", false},
		{"AAA", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_1_alpha3")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha3 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha3 failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso3166Alpha3EUValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"iso3166_1_alpha3_eu"`
		expected bool
	}{
		{"POL", true},
		{"SWE", true},
		{"UNK", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_1_alpha3_eu")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha3_eu failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha3_eu failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso3166AlphaNumericValidation(t *testing.T) {
	tests := []struct {
		value    interface{}
		expected bool
	}{
		{248, true},
		{"248", true},
		{0, false},
		{1, false},
		{"1", false},
		{"invalid_int", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_1_alpha_numeric")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha_numeric failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha_numeric failed Error: %s", i, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var([]string{"1"}, "iso3166_1_alpha_numeric")
	}, "Bad field type []string")
}

func TestIsIso3166AlphaNumericEUValidation(t *testing.T) {
	tests := []struct {
		value    interface{}
		expected bool
	}{
		{752, true}, // Sweden
		{"752", true},
		{826, false}, // UK
		{"826", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso3166_1_alpha_numeric_eu")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha_numeric_eu failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso3166_1_alpha_numeric_eu failed Error: %s", i, errs)
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var([]string{"1"}, "iso3166_1_alpha_numeric_eu")
	}, "Bad field type []string")
}

func TestCountryCodeValidation(t *testing.T) {
	tests := []struct {
		value    interface{}
		expected bool
	}{
		{248, true},
		{0, false},
		{1, false},
		{"POL", true},
		{"NO", true},
		{"248", true},
		{"1", false},
		{"0", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "country_code")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d country_code failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d country_code failed Error: %s", i, errs)
			}
		}
	}
}

func TestEUCountryCodeValidation(t *testing.T) {
	tests := []struct {
		value    interface{}
		expected bool
	}{
		{724, true},
		{0, false},
		{1, false},
		{"POL", true},
		{"NO", false},
		{"724", true},
		{"1", false},
		{"0", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "eu_country_code")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d eu_country_code failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d eu_country_code failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso4217Validation(t *testing.T) {
	tests := []struct {
		value    string `validate:"iso4217"`
		expected bool
	}{
		{"TRY", true},
		{"EUR", true},
		{"USA", false},
		{"SLE", true},
		{"SLL", false},
		{"VED", true},
		{"XCG", true},
		{"ZWG", true},
		{"ANG", false},
		{"CUC", false},
		{"HRK", false},
		{"ZWL", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso4217")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso4217 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso4217 failed Error: %s", i, errs)
			}
		}
	}
}

func TestIsIso4217NumericValidation(t *testing.T) {
	tests := []struct {
		value    int `validate:"iso4217_numeric"`
		expected bool
	}{
		{8, true},
		{12, true},
		{13, false},
		{925, true},
		{694, false},
		{924, true},
		{926, true},
		{532, true},
		{191, false},
		{931, false},
		{932, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "iso4217_numeric")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso4217 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d iso4217 failed Error: %s", i, errs)
			}
		}
	}
}

func TestTimeZoneValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"timezone"`
		tag      string
		expected bool
	}{
		// systems may have different time zone database, some systems time zone are case insensitive
		{"America/New_York", `timezone`, true},
		{"UTC", `timezone`, true},
		{"", `timezone`, false},
		{"Local", `timezone`, false},
		{"Unknown", `timezone`, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d time zone failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d time zone failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "timezone" {
					t.Fatalf("Index: %d time zone failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "timezone")
	}, "Bad field type int")
}

func TestDurationType(t *testing.T) {
	tests := []struct {
		name    string
		s       interface{} // struct
		success bool
	}{
		{
			name: "valid duration string pass",
			s: struct {
				Value time.Duration `validate:"gte=500ns"`
			}{
				Value: time.Second,
			},
			success: true,
		},
		{
			name: "valid duration int pass",
			s: struct {
				Value time.Duration `validate:"gte=500"`
			}{
				Value: time.Second,
			},
			success: true,
		},
	}

	validate := New()

	for _, tc := range tests {
		tc := tc
		t.Run(tc.name, func(t *testing.T) {
			t.Parallel()

			errs := validate.Struct(tc.s)
			if tc.success {
				Equal(t, errs, nil)
				return
			}
			NotEqual(t, errs, nil)
		})
	}
}

func TestBCP47LanguageTagValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"bcp47_language_tag"`
		tag      string
		expected bool
	}{
		{"en-US", "bcp47_language_tag", true},
		{"en_GB", "bcp47_language_tag", true},
		{"es", "bcp47_language_tag", true},
		{"English", "bcp47_language_tag", false},
		{"ESES", "bcp47_language_tag", false},
		{"az-Cyrl-AZ", "bcp47_language_tag", true},
		{"en-029", "bcp47_language_tag", true},
		{"xog", "bcp47_language_tag", true},
		{"i-klingon", "bcp47_language_tag", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d locale failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d locale failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "bcp47_language_tag" {
					t.Fatalf("Index: %d locale failed Error: %s", i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "bcp47_language_tag")
	}, "Bad field type int")
}

func TestBCP47StrictLanguageTagValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"bcp47_strict_language_tag"`
		expected bool
	}{
		// VALID
		//
		{"en-US", true},
		{"es", true},
		{"az-Cyrl-AZ", true},
		{"en-029", true},
		{"xog", true},
		{"i-klingon", true},
		{"zh-min-nan", true},
		{"x-foobar", true},

		// script
		{"it-Aran", true},

		// region
		{"it-Aran-142", true},
		{"it-Aran-IT", true},

		// variant
		{"frm-Aran-FR-1606nict", true},

		// extension
		{"frm-Aran-FR-a-1234567c", true},
		{"frm-Aran-FR-b-ab", true},
		{"frm-Aran-FR-a-12345678-12345678", true},

		// privateuse
		{"frm-Aran-FR-x-a", true},
		{"frm-Aran-FR-x-1234567a", true},
		{"frm-Aran-FR-x-1234567a-abcde", true},

		// From RFC Appendix A.
		//
		// Simple language subtag:
		{"de", true},         // German
		{"fr", true},         // French
		{"ja", true},         // Japanese
		{"i-enochian", true}, // example of a grandfathered tag
		// Language subtag plus Script subtag:
		{"zh-Hant", true}, // Chinese written using the Traditional Chinese script
		{"zh-Hans", true}, // Chinese written using the Simplified Chinese script
		{"sr-Cyrl", true}, // Serbian written using the Cyrillic script
		{"sr-Latn", true}, // Serbian written using the Latin script
		// Extended language subtags and their primary language subtag counterparts:
		{"zh-cmn-Hans-CN", true}, // Chinese, Mandarin, Simplified script, as used in China
		{"cmn-Hans-CN", true},    // Mandarin Chinese, Simplified script, as used in China
		{"zh-yue-HK", true},      // Chinese, Cantonese, as used in Hong Kong SAR
		{"yue-HK", true},         // Cantonese Chinese, as used in Hong Kong SAR
		// Language-Script-Region:
		{"zh-Hans-CN", true}, // Chinese written using the Simplified script as used in mainland China
		{"sr-Latn-RS", true}, // Serbian written using the Latin script as used in Serbia
		// Language-Variant:
		{"sl-rozaj", true},       // Resian dialect of Slovenian
		{"sl-rozaj-biske", true}, // San Giorgio dialect of Resian dialect of Slovenian
		{"sl-nedis", true},       // Nadiza dialect of Slovenian
		// Language-Region-Variant:
		{"de-CH-1901", true},  // German as used in Switzerland using the 1901 variant (orthography)
		{"sl-IT-nedis", true}, // Slovenian as used in Italy, Nadiza dialect
		// Language-Script-Region-Variant:
		{"hy-Latn-IT-arevela", true}, // Eastern Armenian written in Latin script, as used in Italy
		// Language-Region:
		{"de-DE", true},  // German for Germany
		{"en-US", true},  // English as used in the United States
		{"es-419", true}, // Spanish appropriate for the Latin America and Caribbean region using the UN region code
		// Private use subtags:
		{"de-CH-x-phonebk", true},       // private use subtag
		{"az-Arab-x-AZE-derbend", true}, // private use subtag
		// Private use registry values:
		{"x-whatever", true},             // private use using the singleton 'x'
		{"qaa-Qaaa-QM-x-southern", true}, // all private tags
		{"de-Qaaa", true},                // German, with a private script
		{"sr-Latn-QM", true},             // Serbian, Latin script, private region
		{"sr-Qaaa-RS", true},             // Serbian, private script, for Serbia

		// INVALID
		//
		// language
		{"English", false},
		{"AmericanEnglish", false}, // too long
		{"ESES", false},            // 4 chars are reserved for future use
		{"ita", false},             // valid but not shortest ISO 639 code
		{"en_GB", false},
		{"eng", false},
		{"xfoobar", false},
		{"x-123456789", false},

		// script
		{"it-Aram", false}, // "Aram" is not a valid script

		// region
		{"it-Aran-ITA", false}, // "ITA" is not a valid ISO 3166-1 alpha2 code
		{"it-Aran-380", false}, // "380" is a valid UN M.49 region code, but it's not in the IANA language subtag registry

		// variant

		// "1606nict" SHOULD be used prefix "frm", but it's still
		// valid: https://www.rfc-editor.org/rfc/rfc5646.html#section-3.1.8
		// https://github.com/go-playground/validator/pull/1489#issuecomment-4204814263
		{"it-Aran-FR-1606nict", true},

		// extension
		{"frm-Aran-FR-a-12345678a", false},          // too long
		{"frm-Aran-FR-b-a", false},                  // too short
		{"frm-Aran-FR-a-12345678-12345678a", false}, // second extension too long

		// privateuse
		{"frm-Aran-FR-x-12345678a", false}, // too long
		{"frm-Aran-FR-x-", false},          // too short
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "bcp47_strict_language_tag")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("'%s' should be valid (index %d). Error: %s", test.value, i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("'%s' should not be valid (index %d)", test.value, i)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "bcp47_strict_language_tag" {
					t.Fatalf("'%s' (index %d) failed with validator other than 'bcp47_strict_language_tag'. Error: %s", test.value, i, errs)
				}
			}
		}
	}

	PanicMatches(t, func() {
		_ = validate.Var(2, "bcp47_strict_language_tag")
	}, "Bad field type int")
}

func TestBicIso2014FormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"bic_iso_9362_2014"`
		tag      string
		expected bool
	}{
		{"SBICKEN1345", "bic_iso_9362_2014", true},
		{"SBICKEN1", "bic_iso_9362_2014", true},
		{"SBICKENY", "bic_iso_9362_2014", true},
		{"SBICKEN1YYP", "bic_iso_9362_2014", true},
		{"SBIC23NXXX", "bic_iso_9362_2014", false},
		{"S23CKENXXXX", "bic_iso_9362_2014", false},
		{"SBICKENXX", "bic_iso_9362_2014", false},
		{"SBICKENXX9", "bic_iso_9362_2014", false},
		{"SBICKEN13458", "bic_iso_9362_2014", false},
		{"SBICKEN", "bic_iso_9362_2014", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d bic_iso_9362_2014 failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d bic_iso_9362_2014 failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "bic_iso_9362_2014" {
					t.Fatalf("Index: %d bic_iso_9362_2014 failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestBicIso2022FormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"bic"`
		tag      string
		expected bool
	}{
		{"SBICKEN1345", "bic", true},
		{"SBICKEN1", "bic", true},
		{"SBICKENY", "bic", true},
		{"SBICKEN1YYP", "bic", true},
		{"E097AEXX", "bic", true}, // valid under https://www.iso.org/standard/84108.html
		{"SBIC23NXXX", "bic", false},
		{"S23CKENXXXX", "bic", true},
		{"SBICKENXX", "bic", false},
		{"SBICKENXX9", "bic", false},
		{"SBICKEN13458", "bic", false},
		{"SBICKEN", "bic", false},
		{"DEUTDEFF", "bic", true},    // 8-char classic (Germany)
		{"DEUTDEFF500", "bic", true}, // 11-char with numeric branch
		{"A1B2US33", "bic", true},    // digits allowed in 4!c (bank code)
		{"1234US33", "bic", true},    // all digits in 4!c (2022)
		{"ZZZ1USAA", "bic", true},    // mixed alnum bank + alnum location
		{"AB12AE00", "bic", true},    // UAE 8-char
		{"AB12AE009Z9", "bic", true}, // UAE 11-char with mixed branch
		{"WG11US335AB", "bic", true}, // example-style with digits in branch
		{"BNPAFRPP", "bic", true},    // France (BNP Paribas style)
		{"BOFAUS3NXXX", "bic", true}, // US with default XXX branch
		{"HSBCHKHHXXX", "bic", true}, // Hong Kong, default branch
		{"NEDSZAJJ", "bic", true},    // South Africa 8-char
		{"BARCGB22", "bic", true},    // GB 8-char
		{"BARCGB22XXX", "bic", true}, // GB 11-char with XXX branch
		{"0000GB00", "bic", true},    // 4!c all digits + 2!c all digits (allowed)
		{"A1B2GB00XXX", "bic", true}, // valid 11-char with numeric location and XXX
		{"TATRAEBX", "bic", true},    // UAE 8-char
		{"TATRSABX", "bic", true},    // Saudi 8-char
		{"TATREGBX", "bic", true},    // Egypt 8-char
		{"TATRBHBX", "bic", true},    // Bahrain 8-char

		{"DEUTDEFFF", "bic", false},    // 9-char (invalid length)
		{"DEUTDEFF5", "bic", false},    // 9-char (invalid length)
		{"DEUTDE", "bic", false},       // 6-char (invalid length)
		{"DEUTDEFF50", "bic", false},   // 10-char (invalid length)
		{"DEUTDEFF5000", "bic", false}, // 12-char (invalid length)
		{"deUTDEFF", "bic", false},     // lowercase not allowed
		{"DEUTDEfF", "bic", false},     // lowercase in location
		{"DEU@DEFF", "bic", false},     // special char in bank
		{"ABCD12FF", "bic", false},     // digits in 2!a country (invalid)
		{"ABCDDE1-", "bic", false},     // hyphen in location
		{"ABCDDE1_", "bic", false},     // underscore in location
		{"ABCDDE١٢", "bic", false},     // non-ASCII digits in location
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d bic failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d bic failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "bic" {
					t.Fatalf("Index: %d bic failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestSemverFormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"semver"`
		tag      string
		expected bool
	}{
		{"1.2.3", "semver", true},
		{"10.20.30", "semver", true},
		{"1.1.2-prerelease+meta", "semver", true},
		{"1.1.2+meta", "semver", true},
		{"1.1.2+meta-valid", "semver", true},
		{"1.0.0-alpha", "semver", true},
		{"1.0.0-alpha.1", "semver", true},
		{"1.0.0-alpha.beta", "semver", true},
		{"1.0.0-alpha.beta.1", "semver", true},
		{"1.0.0-alpha0.valid", "semver", true},
		{"1.0.0-alpha.0valid", "semver", true},
		{"1.0.0-alpha-a.b-c-somethinglong+build.1-aef.1-its-okay", "semver", true},
		{"1.0.0-rc.1+build.1", "semver", true},
		{"1.0.0-rc.1+build.123", "semver", true},
		{"1.2.3-beta", "semver", true},
		{"1.2.3-DEV-SNAPSHOT", "semver", true},
		{"1.2.3-SNAPSHOT-123", "semver", true},
		{"2.0.0+build.1848", "semver", true},
		{"2.0.1-alpha.1227", "semver", true},
		{"1.0.0-alpha+beta", "semver", true},
		{"1.2.3----RC-SNAPSHOT.12.9.1--.12+788", "semver", true},
		{"1.2.3----R-S.12.9.1--.12+meta", "semver", true},
		{"1.2.3----RC-SNAPSHOT.12.9.1--.12", "semver", true},
		{"1.0.0+0.build.1-rc.10000aaa-kk-0.1", "semver", true},
		{"99999999999999999999999.999999999999999999.99999999999999999", "semver", true},
		{"1.0.0-0A.is.legal", "semver", true},
		{"1", "semver", false},
		{"1.2", "semver", false},
		{"1.2.3-0123", "semver", false},
		{"1.2.3-0123.0123", "semver", false},
		{"1.1.2+.123", "semver", false},
		{"+invalid", "semver", false},
		{"-invalid", "semver", false},
		{"-invalid+invalid", "semver", false},
		{"alpha", "semver", false},
		{"alpha.beta.1", "semver", false},
		{"alpha.1", "semver", false},
		{"1.0.0-alpha_beta", "semver", false},
		{"1.0.0-alpha_beta", "semver", false},
		{"1.0.0-alpha...1", "semver", false},
		{"01.1.1", "semver", false},
		{"1.01.1", "semver", false},
		{"1.1.01", "semver", false},
		{"1.2", "semver", false},
		{"1.2.Dev", "semver", false},
		{"1.2.3.Dev", "semver", false},
		{"1.2-SNAPSHOT", "semver", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d semver failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d semver failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "semver" {
					t.Fatalf("Index: %d semver failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestCveFormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"cve"`
		tag      string
		expected bool
	}{
		{"CVE-1999-0001", "cve", true},
		{"CVE-1998-0001", "cve", false},
		{"CVE-2000-0001", "cve", true},
		{"CVE-2222-0001", "cve", true},
		{"2222-0001", "cve", false},
		{"-2222-0001", "cve", false},
		{"CVE22220001", "cve", false},
		{"CVE-2222-000001", "cve", false},
		{"CVE-2222-100001", "cve", true},
		{"CVE-2222-99999999999", "cve", true},
		{"CVE-3000-0001", "cve", false},
		{"CVE-1999-0000", "cve", false},
		{"CVE-2099-0000", "cve", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d cve failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d cve failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "cve" {
					t.Fatalf("Index: %d cve failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestRFC1035LabelFormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"dns_rfc1035_label"`
		tag      string
		expected bool
	}{
		{"abc", "dns_rfc1035_label", true},
		{"abc-", "dns_rfc1035_label", false},
		{"abc-123", "dns_rfc1035_label", true},
		{"ABC", "dns_rfc1035_label", false},
		{"ABC-123", "dns_rfc1035_label", false},
		{"abc-abc", "dns_rfc1035_label", true},
		{"ABC-ABC", "dns_rfc1035_label", false},
		{"123-abc", "dns_rfc1035_label", false},
		{"", "dns_rfc1035_label", false},
		{"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk", "dns_rfc1035_label", true},
		{"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl", "dns_rfc1035_label", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d dns_rfc1035_label failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d dns_rfc1035_label failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "dns_rfc1035_label" {
					t.Fatalf("Index: %d dns_rfc1035_label failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestPostCodeByIso3166Alpha2(t *testing.T) {
	tests := map[string][]struct {
		value    string
		expected bool
	}{
		"AL": {
			{"1234", true},
			{"12345", false},
		},
		"GB": {
			{"EC1A 1BB", true},
			{"CF10 1B1H", false},
		},
		"GI": {
			{"GI12 3AB", true},
			{"GI1 1AA", true},
			{"12345", false},
		},
		"IE": {
			{"H54 RX46", true},
			{"D6W E4E2", true},
			{"H54RX46", true},
			{"12345", false},
		},
		"IL": {
			{"64928", true},
			{"6492806", true},
			{"649281", false},
			{"1234", false},
			{"ABCDEF", false},
		},
		"CR": {
			{"10101", true},
			{"12345", true},
			{"1234", false},
			{"123456", false},
			{"123-4567", false},
			{" 10101", false},
			{"10101 ", false},
			{"junk123-4567", false},
			{"prefix123-4567", false},
			{"123-4567xyz", false},
			{"junk12345", false},
			{"12345junk", false},
		},
		"VI": {
			{"00803", true},
			{"1234567", false},
		},
		"VN": {
			{"ABC", false},
			{"700000", true},
			{"A1", false},
		},
		"TW": {
			{"100", true},    // 3 digits (Valid)
			{"10042", true},  // 5 digits (Valid)
			{"106409", true}, // 6 digits (Valid)
			{"040", true},    // Leading zero (Valid)
			{"12", false},    // Too short
			{"1234", false},  // 4 digits (Invalid)
			{"1234567", false},
			{"100-42", false}, // Contains hyphen (Invalid for strict numeric check)
			{"abcdef", false}, // Letters (Invalid)
		},
		"NG": {
			{"930283", true},          // former six-digit code
			{"EK-01-A03-FK-01", true}, // 11-character code, hyphenated
			{"EK 01 A03 FK 01", true},
			{"EK01A03FK01", true},
			{"EK-01 A03-FK-01", true}, // separators may differ
			{"EK 01-A03 FK 01", true},
			{"EK-00-A03-FK-01", false}, // LGA runs from 01 to 99
			{"EK-01-A03-FK-00", false}, // unit runs from 01 to 99
			{"EK-01-A03-FK-1", false},
			{"EK-01-A03-FK-011", false},
			{"E1-01-A03-FK-01", false},
			{"EK--01-A03-FK-01", false}, // duplicate separator
			{"-EK-01-A03-FK-01", false}, // leading separator
			{"EK-01-A03-FK-01-", false}, // trailing separator
			{"93028", false},
		},
		"LC": {
			// not support regexp for post code
			{"123456", false},
		},
		"XX": {
			// not support country
			{"123456", false},
		},
		"KR": {
			// five digits since 2015-08-01, the six digit format was abolished
			{"06236", true},
			{"03187", true},
			{"135-080", false},
			{"135080", false},
			{"0623", false},
			{"0623A", false},
		},
	}

	validate := New()

	for cc, ccTests := range tests {
		for i, test := range ccTests {
			errs := validate.Var(test.value, fmt.Sprintf("postcode_iso3166_alpha2=%s", cc))

			if test.expected {
				if !IsEqual(errs, nil) {
					t.Fatalf("Index: %d postcode_iso3166_alpha2=%s failed Error: %s", i, cc, errs)
				}
			} else {
				if IsEqual(errs, nil) {
					t.Fatalf("Index: %d postcode_iso3166_alpha2=%s failed Error: %s", i, cc, errs)
				}
			}
		}
	}
}

func TestPostCodeByIso3166Alpha2Field(t *testing.T) {
	tests := []struct {
		Value       string `validate:"postcode_iso3166_alpha2_field=CountryCode"`
		CountryCode interface{}
		expected    bool
	}{
		{"1234", "AL", true},
		{"12345", "AL", false},
		{"EC1A 1BB", "GB", true},
		{"CF10 1B1H", "GB", false},
		{"GI12 3AB", "GI", true},
		{"12345", "GI", false},
		{"H54 RX46", "IE", true},
		{"D6W E4E2", "IE", true},
		{"12345", "IE", false},
		{"64928", "IL", true},
		{"6492806", "IL", true},
		{"649281", "IL", false},
		{"1234", "IL", false},
		{"00803", "VI", true},
		{"1234567", "VI", false},
		{"ABC", "VN", false},
		{"700000", "VN", true},
		{"A1", "VN", false},
		{"123456", "LC", false}, // not support regexp for post code
		{"123456", "XX", false}, // not support country
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Struct(test)
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d postcode_iso3166_alpha2_field=CountryCode failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d postcode_iso3166_alpha2_field=CountryCode failed Error: %s", i, errs)
			}
		}
	}
}

func TestPostCodeByIso3166Alpha2Field_WrongField(t *testing.T) {
	type test struct {
		Value        string `validate:"postcode_iso3166_alpha2_field=CountryCode"`
		CountryCode1 interface{}
		expected     bool
	}

	errs := New().Struct(test{"ABC", "VN", false})
	NotEqual(t, nil, errs)
}

func TestPostCodeByIso3166Alpha2Field_MissingParam(t *testing.T) {
	type test struct {
		Value        string `validate:"postcode_iso3166_alpha2_field="`
		CountryCode1 interface{}
		expected     bool
	}

	errs := New().Struct(test{"ABC", "VN", false})
	NotEqual(t, nil, errs)
}

func TestPostCodeByIso3166Alpha2Field_InvalidKind(t *testing.T) {
	type test struct {
		Value       string `validate:"postcode_iso3166_alpha2_field=CountryCode"`
		CountryCode interface{}
		expected    bool
	}
	defer func() { _ = recover() }()

	_ = New().Struct(test{"ABC", 123, false})
	t.Errorf("Didn't panic as expected")
}

func TestValidate_ValidateMapCtx(t *testing.T) {
	type args struct {
		data  map[string]interface{}
		rules map[string]interface{}
	}
	tests := []struct {
		name string
		args args
		want int
	}{
		{
			name: "test nested map in slice",
			args: args{
				data: map[string]interface{}{
					"Test_A": map[string]interface{}{
						"Test_B": "Test_B",
						"Test_C": []map[string]interface{}{
							{
								"Test_D": "Test_D",
							},
						},
						"Test_E": map[string]interface{}{
							"Test_F": "Test_F",
						},
					},
				},
				rules: map[string]interface{}{
					"Test_A": map[string]interface{}{
						"Test_B": "min=2",
						"Test_C": map[string]interface{}{
							"Test_D": "min=2",
						},
						"Test_E": map[string]interface{}{
							"Test_F": "min=2",
						},
					},
				},
			},
			want: 0,
		},

		{
			name: "test nested map error",
			args: args{
				data: map[string]interface{}{
					"Test_A": map[string]interface{}{
						"Test_B": "Test_B",
						"Test_C": []interface{}{"Test_D"},
						"Test_E": map[string]interface{}{
							"Test_F": "Test_F",
						},
						"Test_G": "Test_G",
						"Test_I": []map[string]interface{}{
							{
								"Test_J": "Test_J",
							},
						},
					},
				},
				rules: map[string]interface{}{
					"Test_A": map[string]interface{}{
						"Test_B": "min=2",
						"Test_C": map[string]interface{}{
							"Test_D": "min=2",
						},
						"Test_E": map[string]interface{}{
							"Test_F": "min=100",
						},
						"Test_G": map[string]interface{}{
							"Test_H": "min=2",
						},
						"Test_I": map[string]interface{}{
							"Test_J": "min=100",
						},
					},
				},
			},
			want: 1,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			validate := New()
			if got := validate.ValidateMapCtx(context.Background(), tt.args.data, tt.args.rules); len(got) != tt.want {
				t.Errorf("ValidateMapCtx() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestValidate_ValidateMapCtxWithKeys(t *testing.T) {
	type args struct {
		data   map[string]interface{}
		rules  map[string]interface{}
		errors map[string]interface{}
	}
	tests := []struct {
		name string
		args args
		want int
	}{
		{
			name: "test invalid email",
			args: args{
				data: map[string]interface{}{
					"email": "emailaddress",
				},
				rules: map[string]interface{}{
					"email": "required,email",
				},
				errors: map[string]interface{}{
					"email": "Key: 'email' Error:Field validation for 'email' failed on the 'email' tag",
				},
			},
			want: 1,
		},
		{
			name: "test multiple errors with capitalized keys",
			args: args{
				data: map[string]interface{}{
					"Email": "emailaddress",
					"Age":   15,
				},
				rules: map[string]interface{}{
					"Email": "required,email",
					"Age":   "number,gt=16",
				},
				errors: map[string]interface{}{
					"Email": "Key: 'Email' Error:Field validation for 'Email' failed on the 'email' tag",
					"Age":   "Key: 'Age' Error:Field validation for 'Age' failed on the 'gt' tag",
				},
			},
			want: 2,
		},
		{
			name: "test valid map data",
			args: args{
				data: map[string]interface{}{
					"email": "email@example.com",
					"age":   17,
				},
				rules: map[string]interface{}{
					"email": "required,email",
					"age":   "number,gt=16",
				},
				errors: map[string]interface{}{},
			},
			want: 0,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			validate := New()
			errs := validate.ValidateMapCtx(context.Background(), tt.args.data, tt.args.rules)
			NotEqual(t, errs, nil)
			Equal(t, len(errs), tt.want)
			for key, err := range errs {
				Equal(t, err.(ValidationErrors)[0].Error(), tt.args.errors[key])
			}
		})
	}
}

// TestValidateMapWithCrossFieldValidators tests that cross-field validators
// like required_if, required_unless, etc. don't panic when used with ValidateMap.
// This is a regression test for issue #893.
//
// Note: With ValidateMap, cross-field lookups return "not found" since there's no
// struct context. Validators handle this by using their defaultNotFoundValue:
// - required_if: condition not met (returns false) → field not required
// - required_unless: condition not met (returns false) → field required
// - excluded_if: condition not met (returns false) → field not excluded
// - excluded_unless: condition not met (returns false) → field must be excluded
func TestValidateMapWithCrossFieldValidators(t *testing.T) {
	validate := New()

	// Test required_if - should not panic
	// Cross-field lookup returns not found → condition not met → field not required
	data := map[string]interface{}{
		"name": "hello",
		"id":   123,
	}
	rules := map[string]interface{}{
		"name": "required_if=id 345",
		"id":   "required",
	}
	errs := validate.ValidateMap(data, rules)
	Equal(t, len(errs), 0)

	// Test required_unless - should not panic
	// Cross-field lookup returns not found → condition not met → field required
	// Since name has a value, validation passes
	rules2 := map[string]interface{}{
		"name": "required_unless=id 345",
		"id":   "required",
	}
	errs = validate.ValidateMap(data, rules2)
	Equal(t, len(errs), 0)

	// Test excluded_if - should not panic
	// Cross-field lookup returns not found → condition not met → field not excluded
	rules3 := map[string]interface{}{
		"name": "excluded_if=id 123",
		"id":   "required",
	}
	errs = validate.ValidateMap(data, rules3)
	Equal(t, len(errs), 0)

	// Test excluded_unless - should not panic
	// Cross-field lookup returns not found → condition not met → field must be excluded
	// Since name has a value, validation FAILS (this is expected behavior)
	rules4 := map[string]interface{}{
		"name": "excluded_unless=id 123",
		"id":   "required",
	}
	errs = validate.ValidateMap(data, rules4)
	Equal(t, len(errs), 1) // Fails because name has value but condition can't be verified

	// Test excluded_unless with empty value - should pass since field is excluded
	dataEmpty := map[string]interface{}{
		"name": "",
		"id":   123,
	}
	errs = validate.ValidateMap(dataEmpty, rules4)
	Equal(t, len(errs), 0)

	// Test with empty name - required_if condition not met, so empty is ok
	data2 := map[string]interface{}{
		"name": "",
		"id":   123,
	}
	errs = validate.ValidateMap(data2, rules)
	Equal(t, len(errs), 0)
}

func TestValidate_VarWithKey(t *testing.T) {
	validate := New()
	errs := validate.VarWithKey("email", "invalidemail", "required,email")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "email", "email", "email", "email", "email")

	errs = validate.VarWithKey("email", "email@example.com", "required,email")
	Equal(t, errs, nil)
}

func TestValidate_VarWithKeyCtx(t *testing.T) {
	validate := New()
	errs := validate.VarWithKeyCtx(context.Background(), "age", 15, "required,gt=16")
	NotEqual(t, errs, nil)
	AssertError(t, errs, "age", "age", "age", "age", "gt")

	errs = validate.VarWithKey("age", 17, "required,gt=16")
	Equal(t, errs, nil)
}

func TestMongoDBObjectIDFormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"mongodb"`
		tag      string
		expected bool
	}{
		{"507f191e810c19729de860ea", "mongodb", true},
		{"507f191e810c19729de860eG", "mongodb", false},
		{"M07f191e810c19729de860eG", "mongodb", false},
		{"07f191e810c19729de860ea", "mongodb", false},
		{"507f191e810c19729de860e", "mongodb", false},
		{"507f191e810c19729de860ea4", "mongodb", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d mongodb failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d mongodb failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "mongodb" {
					t.Fatalf("Index: %d mongodb failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestMongoDBConnectionStringFormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"mongodb_connection_string"`
		tag      string
		expected bool
	}{
		{"mongodb://username:password@server.example.com:20017/database?replicaSet=test&connectTimeoutMS=300000&ssl=true", "mongodb_connection_string", true},
		{"mongodb+srv://username:password@server.example.com:20017/database?replicaSet=test&connectTimeoutMS=300000&ssl=true", "mongodb_connection_string", true},
		{"mongodb+srv://username:password@server.example.com:20017,server.example.com,server.example.com:20017/database?replicaSet=test&connectTimeoutMS=300000&ssl=true", "mongodb_connection_string", true},
		{"mongodb+srv://username:password@server.example.com:20017,server.example.com,server.example.com:20017?replicaSet=test&connectTimeoutMS=300000&ssl=true", "mongodb_connection_string", true},
		{"mongodb://username:password@server.example.com:20017,server.example.com,server.example.com:20017/database?replicaSet=test&connectTimeoutMS=300000&ssl=true", "mongodb_connection_string", true},
		{"mongodb://localhost", "mongodb_connection_string", true},
		{"mongodb://localhost:27017", "mongodb_connection_string", true},
		{"localhost", "mongodb_connection_string", false},
		{"mongodb://", "mongodb_connection_string", false},
		{"mongodb+srv://", "mongodb_connection_string", false},
		{"mongodbsrv://localhost", "mongodb_connection_string", false},
		{"mongodb+srv://localhost", "mongodb_connection_string", true},
		{"mongodb+srv://localhost:27017", "mongodb_connection_string", true},
		{"mongodb+srv://localhost?replicaSet=test", "mongodb_connection_string", true},
		{"mongodb+srv://localhost:27017?replicaSet=test", "mongodb_connection_string", true},
		{"mongodb+srv://localhost:27017?", "mongodb_connection_string", false},
		{"mongodb+srv://localhost:27017?replicaSet", "mongodb_connection_string", false},
		{"mongodb+srv://localhost/database", "mongodb_connection_string", true},
		{"mongodb+srv://localhost:27017/database", "mongodb_connection_string", true},
		{"mongodb+srv://username@localhost", "mongodb_connection_string", false},
		{"mongodb+srv://username:password@localhost", "mongodb_connection_string", true},
		{"mongodb+srv://username:password@localhost:27017", "mongodb_connection_string", true},
		{"mongodb+srv://username:password@localhost:27017,192.0.0.7,192.0.0.9:27018,server.example.com", "mongodb_connection_string", true},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d mongodb_connection_string failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d mongodb_connection_string failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "mongodb_connection_string" {
					t.Fatalf("Index: %d mongodb_connection_string failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestSpiceDBValueFormatValidation(t *testing.T) {
	tests := []struct {
		value    string
		tag      string
		expected bool
	}{
		// Must be an asterisk OR a string containing alphanumeric characters and a restricted set a special symbols: _ | / - = +
		{"*", "spicedb=id", true},
		{`azAZ09_|/-=+`, "spicedb=id", true},
		{`a*`, "spicedb=id", false},
		{`/`, "spicedb=id", true},
		{"*", "spicedb", true},

		// Must begin and end with a lowercase letter, may also contain numbers and underscores between, min length 3, max length 64
		{"a", "spicedb=permission", false},
		{"1", "spicedb=permission", false},
		{"a1", "spicedb=permission", false},
		{"a_b", "spicedb=permission", true},
		{"A_b", "spicedb=permission", false},
		{"a_B", "spicedb=permission", false},
		{"abcdefghijklmnopqrstuvwxyz_0123456789_abcdefghijklmnopqrstuvwxyz", "spicedb=permission", true},
		{"abcdefghijklmnopqrstuvwxyz_01234_56789_abcdefghijklmnopqrstuvwxyz", "spicedb=permission", false},

		// Object types follow the same rules as permissions for the type name plus an optional prefix up to 63 characters with a /
		{"a", "spicedb=type", false},
		{"1", "spicedb=type", false},
		{"a1", "spicedb=type", false},
		{"a_b", "spicedb=type", true},
		{"A_b", "spicedb=type", false},
		{"a_B", "spicedb=type", false},
		{"abcdefghijklmnopqrstuvwxyz_0123456789_abcdefghijklmnopqrstuvwxyz", "spicedb=type", true},
		{"abcdefghijklmnopqrstuvwxyz_01234_56789_abcdefghijklmnopqrstuvwxyz", "spicedb=type", false},

		{`a_b/a`, "spicedb=type", false},
		{`a_b/1`, "spicedb=type", false},
		{`a_b/a1`, "spicedb=type", false},
		{`a_b/a_b`, "spicedb=type", true},
		{`a_b/A_b`, "spicedb=type", false},
		{`a_b/a_B`, "spicedb=type", false},
		{`a_b/abcdefghijklmnopqrstuvwxyz_0123456789_abcdefghijklmnopqrstuvwxyz`, "spicedb=type", true},
		{`a_b/abcdefghijklmnopqrstuvwxyz_01234_56789_abcdefghijklmnopqrstuvwxyz`, "spicedb=type", false},

		{`a/a_b`, "spicedb=type", false},
		{`1/a_b`, "spicedb=type", false},
		{`a1/a_b`, "spicedb=type", false},
		{`a_b/a_b`, "spicedb=type", true},
		{`A_b/a_b`, "spicedb=type", false},
		{`a_B/a_b`, "spicedb=type", false},
		{`abcdefghijklmnopqrstuvwxyz_0123456789_abcdefghijklmnopqrstuvwxy/a_b`, "spicedb=type", true},
		{`abcdefghijklmnopqrstuvwxyz_0123456789_abcdefghijklmnopqrstuvwxyz/a_b`, "spicedb=type", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d spicedb failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d spicedb - expected error but there was none.", i)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "spicedb" {
					t.Fatalf("Index: %d spicedb failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestCreditCardFormatValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"credit_card"`
		tag      string
		expected bool
	}{
		{"586824160825533338", "credit_card", true},
		{"586824160825533328", "credit_card", false},
		{"4624748233249780", "credit_card", true},
		{"4624748233349780", "credit_card", false},
		{"378282246310005", "credit_card", true},
		{"378282146310005", "credit_card", false},
		{"4624 7482 3324 9780", "credit_card", true},
		{"4624 7482 3324  9780", "credit_card", false},
		{"4624 7482 3324 978A", "credit_card", false},
		{"4624 7482 332", "credit_card", false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d credit_card failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d credit_card failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "credit_card" {
					t.Fatalf("Index: %d credit_card failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestLuhnChecksumValidation(t *testing.T) {
	testsUint := []struct {
		value    interface{} `validate:"luhn_checksum"` // the type is interface{} because the luhn_checksum works on both strings and numbers
		tag      string
		expected bool
	}{
		{uint64(586824160825533338), "luhn_checksum", true}, // credit card numbers are just special cases of numbers with luhn checksum
		{int64(586824160825533338), "luhn_checksum", true},
		{"586824160825533338", "luhn_checksum", true},
		{uint64(586824160825533328), "luhn_checksum", false},
		{int64(586824160825533328), "luhn_checksum", false},
		{"586824160825533328", "luhn_checksum", false},
		{int64(10000000116), "luhn_checksum", true}, // but there may be shorter numbers (11 digits)
		{"10000000116", "luhn_checksum", true},
		{int64(10000000117), "luhn_checksum", false},
		{"10000000117", "luhn_checksum", false},
		{uint64(12345678123456789011), "luhn_checksum", true}, // or longer numbers (19 digits)
		{"12345678123456789011", "luhn_checksum", true},
		{1, "luhn_checksum", false}, // single digits (checksum only) are not allowed
		{"1", "luhn_checksum", false},
		{-10, "luhn_checksum", false}, // negative ints are not allowed
		{"abcdefghijklmnop", "luhn_checksum", false},
	}

	validate := New()

	for i, test := range testsUint {
		errs := validate.Var(test.value, test.tag)
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d luhn_checksum failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d luhn_checksum failed Error: %s", i, errs)
			} else {
				val := getError(errs, "", "")
				if val.Tag() != "luhn_checksum" {
					t.Fatalf("Index: %d luhn_checksum failed Error: %s", i, errs)
				}
			}
		}
	}
}

func TestMultiOrOperatorGroup(t *testing.T) {
	tests := []struct {
		Value    int `validate:"eq=1|gte=5,eq=1|lt=7"`
		expected bool
	}{
		{1, true}, {2, false}, {5, true}, {6, true}, {8, false},
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Struct(test)
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d multi_group_of_OR_operators failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d multi_group_of_OR_operators should have errs", i)
			}
		}
	}
}

func TestCronExpressionValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"cron"`
		tag      string
		expected bool
	}{
		{"0 0 12 * * ?", "cron", true},
		{"0 15 10 ? * *", "cron", true},
		{"0 15 10 * * ?", "cron", true},
		{"0 15 10 * * ? 2005", "cron", true},
		{"0 15 10 ? * 6L", "cron", true},
		{"0 15 10 ? * 6L 2002-2005", "cron", true},
		{"*/20 * * * *", "cron", true},
		{"0 15 10 ? * MON-FRI", "cron", true},
		{"0 15 10 ? * 6#3", "cron", true},
		{"0 */15 * * *", "cron", true},
		{"wrong", "cron", false},
		// The regex must match the entire string, not a substring containing
		// something cron-like. Without `^...$` anchors, arbitrary text wrapped
		// around a valid cron expression would falsely validate.
		{"random text @daily more text", "cron", false},
		{"foo @yearly bar", "cron", false},
		{"prefix @every 1h suffix", "cron", false},
		{"x 1 2 3 4 5 y", "cron", false},
		{"hello world this string has 1 2 3 4 5 numbers", "cron", false},
		{"not at all valid; trailing junk: * * * * *", "cron", false},
		// Known limitations: the following inputs still pass because the
		// regex validates cron *syntax*, not semantics. Catching them would
		// require a real cron parser (per-field value ranges, an enumerated
		// list of valid alphabetic tokens like MON/TUE/JAN/FEB, etc.):
		//   "60 25 32 13 7"           - all numeric fields out of range
		//   "foo bar baz qux quux"    - nonsense alphabetic tokens, all 2+ chars
		//   "5- * * * *"              - field with trailing separator
		//   "0,,1 * * * *"            - field with empty list slot
		//   "@every 0s"               - zero-duration interval
	}

	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, test.tag)
		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf(`Index: %d cron "%s" failed Error: %s`, i, test.value, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf(`Index: %d cron "%s" should have errs`, i, test.value)
			}
		}
	}
}

func TestNestedStructValidation(t *testing.T) {
	validator := New(WithRequiredStructEnabled())

	t.Run("required", func(t *testing.T) {
		type (
			value struct {
				Field string
			}
			topLevel struct {
				Nested value `validate:"required"`
			}
		)

		var validationErrs ValidationErrors
		if errs := validator.Struct(topLevel{}); errs != nil {
			validationErrs = errs.(ValidationErrors)
		}

		Equal(t, 1, len(validationErrs))
		AssertError(t, validationErrs, "topLevel.Nested", "topLevel.Nested", "Nested", "Nested", "required")

		Equal(t, validator.Struct(topLevel{value{"potato"}}), nil)
	})

	t.Run("omitempty", func(t *testing.T) {
		type (
			value struct {
				Field string
			}
			topLevel struct {
				Nested value `validate:"omitempty,required"`
			}
		)

		errs := validator.Struct(topLevel{})
		Equal(t, errs, nil)
	})

	t.Run("excluded_if", func(t *testing.T) {
		type (
			value struct {
				Field string
			}
			topLevel struct {
				Field  string
				Nested value `validate:"excluded_if=Field potato"`
			}
		)

		errs := validator.Struct(topLevel{Field: "test", Nested: value{"potato"}})
		Equal(t, errs, nil)

		errs = validator.Struct(topLevel{Field: "potato"})
		Equal(t, errs, nil)

		errs = validator.Struct(topLevel{Field: "potato", Nested: value{"potato"}})
		AssertError(t, errs, "topLevel.Nested", "topLevel.Nested", "Nested", "Nested", "excluded_if")
	})

	t.Run("excluded_unless", func(t *testing.T) {
		type (
			value struct {
				Field string
			}
			topLevel struct {
				Field  string
				Nested value `validate:"excluded_unless=Field potato"`
			}
		)

		errs := validator.Struct(topLevel{Field: "test"})
		Equal(t, errs, nil)

		errs = validator.Struct(topLevel{Field: "potato", Nested: value{"potato"}})
		Equal(t, errs, nil)

		errs = validator.Struct(topLevel{Field: "test", Nested: value{"potato"}})
		AssertError(t, errs, "topLevel.Nested", "topLevel.Nested", "Nested", "Nested", "excluded_unless")
	})

	t.Run("nonComparableField", func(t *testing.T) {
		type (
			value struct {
				Field []string
			}
			topLevel struct {
				Nested value `validate:"required"`
			}
		)

		errs := validator.Struct(topLevel{value{[]string{}}})
		Equal(t, errs, nil)
	})

	type (
		veggyBasket struct {
			Root   string
			Squash string `validate:"required"`
		}
		testErr struct {
			path string
			tag  string
		}
		test struct {
			name  string
			err   testErr
			value veggyBasket
		}
	)

	if err := validator.RegisterValidation("veggy", func(f FieldLevel) bool {
		v, ok := f.Field().Interface().(veggyBasket)
		if !ok || v.Root != "potato" {
			return false
		}
		return true
	}); err != nil {
		t.Fatal(fmt.Errorf("failed to register potato tag: %w", err))
	}

	tests := []test{
		{
			name:  "valid",
			value: veggyBasket{"potato", "zucchini"},
		}, {
			name:  "failedCustomTag",
			value: veggyBasket{"zucchini", "potato"},
			err:   testErr{"topLevel.VeggyBasket", "veggy"},
		}, {
			name:  "failedInnerField",
			value: veggyBasket{"potato", ""},
			err:   testErr{"topLevel.VeggyBasket.Squash", "required"},
		}, {
			name:  "customTagFailurePriorityCheck",
			value: veggyBasket{"zucchini", ""},
			err:   testErr{"topLevel.VeggyBasket", "veggy"},
		},
	}

	evaluateTest := func(tt test, errs error) {
		if tt.err != (testErr{}) && errs != nil {
			Equal(t, len(errs.(ValidationErrors)), 1)

			segments := strings.Split(tt.err.path, ".")
			fieldName := segments[len(segments)-1]
			AssertError(t, errs, tt.err.path, tt.err.path, fieldName, fieldName, tt.err.tag)
		}

		shouldFail := tt.err != (testErr{})
		hasFailed := errs != nil
		if shouldFail != hasFailed {
			t.Fatalf("expected failure %v, got: %v with errs: %v", shouldFail, hasFailed, errs)
		}
	}

	for _, tt := range tests {
		type topLevel struct {
			VeggyBasket veggyBasket `validate:"veggy"`
		}

		t.Run(tt.name, func(t *testing.T) {
			evaluateTest(tt, validator.Struct(topLevel{tt.value}))
		})
	}

	// Also test on struct pointers
	for _, tt := range tests {
		type topLevel struct {
			VeggyBasket *veggyBasket `validate:"veggy"`
		}

		t.Run(tt.name+"Ptr", func(t *testing.T) {
			evaluateTest(tt, validator.Struct(topLevel{&tt.value}))
		})
	}
}

func TestTimeRequired(t *testing.T) {
	validate := New()
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]

		if name == "-" {
			return ""
		}

		return name
	})

	type TestTime struct {
		Time time.Time `validate:"required"`
	}

	var testTime TestTime

	err := validate.Struct(&testTime)
	NotEqual(t, err, nil)
	AssertError(t, err.(ValidationErrors), "TestTime.Time", "TestTime.Time", "Time", "Time", "required")
}

func TestOmitNilAndRequired(t *testing.T) {
	type (
		OmitEmpty struct {
			Str    string  `validate:"omitempty,required,min=10"`
			StrPtr *string `validate:"omitempty,required,min=10"`
			Inner  *OmitEmpty
		}
		OmitNil struct {
			Str    string  `validate:"omitnil,required,min=10"`
			StrPtr *string `validate:"omitnil,required,min=10"`
			Inner  *OmitNil
		}
	)

	var (
		validate = New(WithRequiredStructEnabled())
		valid    = "this is the long string to pass the validation rule"
	)

	t.Run("compare using valid data", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{Str: valid, StrPtr: &valid, Inner: &OmitEmpty{Str: valid, StrPtr: &valid}})
		err2 := validate.Struct(OmitNil{Str: valid, StrPtr: &valid, Inner: &OmitNil{Str: valid, StrPtr: &valid}})

		Equal(t, err1, nil)
		Equal(t, err2, nil)
	})

	t.Run("compare fully empty omitempty and omitnil", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{})
		err2 := validate.Struct(OmitNil{})

		Equal(t, err1, nil)
		AssertError(t, err2, "OmitNil.Str", "OmitNil.Str", "Str", "Str", "required")
	})

	t.Run("validate in deep", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{Str: valid, Inner: &OmitEmpty{}})
		err2 := validate.Struct(OmitNil{Str: valid, Inner: &OmitNil{}})

		Equal(t, err1, nil)
		AssertError(t, err2, "OmitNil.Inner.Str", "OmitNil.Inner.Str", "Str", "Str", "required")
	})
}

func TestOmitZero(t *testing.T) {
	type (
		OmitEmpty struct {
			Str    string  `validate:"omitempty,min=10"`
			StrPtr *string `validate:"omitempty,min=10"`
		}
		OmitZero struct {
			Str    string  `validate:"omitzero,min=10"`
			StrPtr *string `validate:"omitzero,min=10"`
		}
	)

	var (
		validate = New()
		valid    = "this is the long string to pass the validation rule"
		empty    = ""
	)

	t.Run("compare using valid data", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{Str: valid, StrPtr: &valid})
		err2 := validate.Struct(OmitZero{Str: valid, StrPtr: &valid})

		Equal(t, err1, nil)
		Equal(t, err2, nil)
	})

	t.Run("compare fully empty omitempty and omitzero", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{})
		err2 := validate.Struct(OmitZero{})

		Equal(t, err1, nil)
		Equal(t, err2, nil)
	})

	t.Run("compare with zero value", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{Str: "", StrPtr: nil})
		err2 := validate.Struct(OmitZero{Str: "", StrPtr: nil})

		Equal(t, err1, nil)
		Equal(t, err2, nil)
	})

	t.Run("compare with empty value", func(t *testing.T) {
		err1 := validate.Struct(OmitEmpty{Str: empty, StrPtr: &empty})
		err2 := validate.Struct(OmitZero{Str: empty, StrPtr: &empty})

		AssertError(t, err1, "OmitEmpty.StrPtr", "OmitEmpty.StrPtr", "StrPtr", "StrPtr", "min")
		Equal(t, err2, nil)
	})
}

func TestEINStringValidation(t *testing.T) {
	tests := []struct {
		value    string `validate:"ein"`
		expected bool
	}{
		{"01-2564282", true},
		{"25-4573894", true},
		{"63-236", false},
		{"3-5738294", false},
		{"4235-48", false},
		{"0.-47829", false},
		{"23-", false},
	}
	validate := New()

	for i, test := range tests {
		errs := validate.Var(test.value, "ein")

		if test.expected {
			if !IsEqual(errs, nil) {
				t.Fatalf("Index: %d ein failed Error: %s", i, errs)
			}
		} else {
			if IsEqual(errs, nil) {
				t.Fatalf("Index: %d ein failed Error: %s", i, errs)
			}
		}
	}
}

func TestPrivateFieldsStruct(t *testing.T) {
	type tc struct {
		stct     interface{}
		errorNum int
	}

	tcs := []tc{
		{
			stct: &struct {
				f1 int8  `validate:"required"`
				f2 int16 `validate:"required"`
				f3 int32 `validate:"required"`
				f4 int64 `validate:"required"`
			}{},
			errorNum: 4,
		},
		{
			stct: &struct {
				f1 uint8  `validate:"required"`
				f2 uint16 `validate:"required"`
				f3 uint32 `validate:"required"`
				f4 uint64 `validate:"required"`
			}{},
			errorNum: 4,
		},
		{
			stct: &struct {
				f1 complex64  `validate:"required"`
				f2 complex128 `validate:"required"`
			}{},
			errorNum: 2,
		},
		{
			stct: &struct {
				f1 float32 `validate:"required"`
				f2 float64 `validate:"required"`
			}{},
			errorNum: 2,
		},
		{
			stct: struct {
				f1 int8  `validate:"required"`
				f2 int16 `validate:"required"`
				f3 int32 `validate:"required"`
				f4 int64 `validate:"required"`
			}{},
			errorNum: 4,
		},
		{
			stct: struct {
				f1 uint8  `validate:"required"`
				f2 uint16 `validate:"required"`
				f3 uint32 `validate:"required"`
				f4 uint64 `validate:"required"`
			}{},
			errorNum: 4,
		},
		{
			stct: struct {
				f1 complex64  `validate:"required"`
				f2 complex128 `validate:"required"`
			}{},
			errorNum: 2,
		},
		{
			stct: struct {
				f1 float32 `validate:"required"`
				f2 float64 `validate:"required"`
			}{},
			errorNum: 2,
		},
		{
			stct: struct {
				f1 *int `validate:"required"`
				f2 struct {
					f3 int `validate:"required"`
				}
			}{},
			errorNum: 2,
		},
		{
			stct: &struct {
				f1 *int `validate:"required"`
				f2 struct {
					f3 int `validate:"required"`
				}
			}{},
			errorNum: 2,
		},
		{
			stct: &struct {
				f1 map[string]string `validate:"required,dive,required"`
				f2 *int              `validate:"omitnil,min=2"`
			}{
				f1: map[string]string{"key": ""},
				f2: intPtr(1),
			},
			errorNum: 2,
		},
	}

	validate := New(WithPrivateFieldValidation())

	for _, tc := range tcs {
		err := validate.Struct(tc.stct)
		NotEqual(t, err, nil)

		errs := err.(ValidationErrors)
		Equal(t, len(errs), tc.errorNum)
	}

	stct := &struct {
		f1 int `validate:"uri"`
	}{}

	PanicMatches(t, func() { _ = validate.Struct(stct) }, "Bad field type int")
}

type NotRed struct {
	Color string
}

func (r *NotRed) Validate() error {
	if r != nil && r.Color == "red" {
		return errors.New("should not be red")
	}

	return nil
}

func (r NotRed) IsNotRed() bool {
	return r.Color != "red"
}

func (r NotRed) DoNothing() {}

func (r NotRed) String() string { return "not red instance" }

func TestValidateFn(t *testing.T) {
	t.Run("using pointer", func(t *testing.T) {
		validate := New()

		type Test struct {
			String string
			Inner  *NotRed `validate:"validateFn"`
		}

		var tt Test

		errs := validate.Struct(tt)
		NotEqual(t, errs, nil)

		fe := errs.(ValidationErrors)[0]
		Equal(t, fe.Field(), "Inner")
		Equal(t, fe.Namespace(), "Test.Inner")
		Equal(t, fe.Tag(), "validateFn")

		tt.Inner = &NotRed{Color: "blue"}
		errs = validate.Struct(tt)
		Equal(t, errs, nil)

		tt.Inner = &NotRed{Color: "red"}
		errs = validate.Struct(tt)
		NotEqual(t, errs, nil)

		fe = errs.(ValidationErrors)[0]
		Equal(t, fe.Field(), "Inner")
		Equal(t, fe.Namespace(), "Test.Inner")
		Equal(t, fe.Tag(), "validateFn")
	})

	t.Run("using struct", func(t *testing.T) {
		validate := New()

		type Test2 struct {
			String string
			Inner  NotRed `validate:"validateFn"`
		}

		var tt2 Test2

		errs := validate.Struct(&tt2)
		Equal(t, errs, nil)

		tt2.Inner = NotRed{Color: "blue"}

		errs = validate.Struct(&tt2)
		Equal(t, errs, nil)

		tt2.Inner = NotRed{Color: "red"}
		errs = validate.Struct(&tt2)
		NotEqual(t, errs, nil)

		fe := errs.(ValidationErrors)[0]
		Equal(t, fe.Field(), "Inner")
		Equal(t, fe.Namespace(), "Test2.Inner")
		Equal(t, fe.Tag(), "validateFn")
	})

	t.Run("using struct with custom function", func(t *testing.T) {
		validate := New()

		type Test2 struct {
			String string
			Inner  NotRed `validate:"validateFn=IsNotRed"`
		}

		var tt2 Test2

		errs := validate.Struct(&tt2)
		Equal(t, errs, nil)

		tt2.Inner = NotRed{Color: "blue"}

		errs = validate.Struct(&tt2)
		Equal(t, errs, nil)

		tt2.Inner = NotRed{Color: "red"}
		errs = validate.Struct(&tt2)
		NotEqual(t, errs, nil)

		fe := errs.(ValidationErrors)[0]
		Equal(t, fe.Field(), "Inner")
		Equal(t, fe.Namespace(), "Test2.Inner")
		Equal(t, fe.Tag(), "validateFn")
	})

	t.Run("try validate method with wrong signature or not existent", func(t *testing.T) {
		validate := New()

		type Test2 struct {
			String string `validate:"validateFn=NotExists"` // should fail, method not found
			Inner  NotRed `validate:"validateFn=DoNothing"` // should fail, return nothing
			Inner2 NotRed `validate:"validateFn=String"`    // should fail, wrong return (must be error or bool)
		}

		var tt2 Test2

		err := validate.Struct(&tt2)
		NotEqual(t, err, nil)

		errs := err.(ValidationErrors)

		Equal(t, len(errs), 3)

		fe := errs[0]
		Equal(t, fe.Field(), "String")
		Equal(t, fe.Namespace(), "Test2.String")
		Equal(t, fe.Tag(), "validateFn")

		fe = errs[1]
		Equal(t, fe.Field(), "Inner")
		Equal(t, fe.Namespace(), "Test2.Inner")
		Equal(t, fe.Tag(), "validateFn")

		fe = errs[2]
		Equal(t, fe.Field(), "Inner2")
		Equal(t, fe.Namespace(), "Test2.Inner2")
		Equal(t, fe.Tag(), "validateFn")
	})
}
func TestMapStructBasicValidation(t *testing.T) {
	// Tests basic validation of a map with struct values
	type Inner struct {
		Value string `validate:"max=5"`
	}
	type Outer struct {
		Data map[string]Inner `validate:"dive"`
	}
	obj := Outer{
		Data: map[string]Inner{
			"key1": {Value: "exceeds"}, // Should fail because Value is longer than 5 characters
		},
	}
	validate := New()
	errs := validate.Struct(obj)
	NotEqual(t, errs, nil)
}
func TestMapStructPointerValidation(t *testing.T) {
	// Tests validation of a map with pointer to struct values
	type Inner struct {
		Count int `validate:"gt=10"`
	}
	type Outer struct {
		Items map[string]*Inner `validate:"dive"`
	}
	obj := Outer{
		Items: map[string]*Inner{
			"a": {Count: 5},
		},
	}
	validate := New()
	errs := validate.Struct(obj)
	NotEqual(t, errs, nil)
}
func TestMapStructWithKeyValidationOnly(t *testing.T) {
	// Tests validation of a map with struct values, focusing on key validation
	type Inner struct {
		Name string `validate:"required"`
	}
	type Outer struct {
		Things map[string]Inner `validate:"dive,keys,min=3,endkeys"`
	}
	obj := Outer{
		Things: map[string]Inner{
			"ab": {Name: "valid"}, //Should fail because key is too short
		},
	}
	validate := New()
	errs := validate.Struct(obj)
	NotEqual(t, errs, nil)
}
func TestMapStructWithKeyAndValueValidation(t *testing.T) {
	// Tests validation of a map with struct values, validating both keys and values
	type Inner struct {
		Name string `validate:"min=3"`
	}
	type Outer struct {
		Stuff map[string]Inner `validate:"dive,keys,min=2,endkeys"`
	}
	obj := Outer{
		Stuff: map[string]Inner{
			"ok":  {Name: "xy"},
			"bad": {Name: "valid"},
		},
	}
	validate := New()
	errs := validate.Struct(obj)
	NotEqual(t, errs, nil)
}
func TestMapPointerStructWithNilValue(t *testing.T) {
	// Tests validation of a map with pointer to struct values where value is nil
	type Inner struct {
		Count int `validate:"min=1"`
	}
	type Outer struct {
		Items map[string]*Inner `validate:"dive"`
	}
	obj := Outer{
		Items: map[string]*Inner{
			"x": nil,
		},
	}
	validate := New()
	errs := validate.Struct(obj)
	Equal(t, errs, nil)
}
func TestThreeLevelNestedStructs(t *testing.T) {
	// Tests validation of three levels of nested structs with map keys and values
	type Level3 struct {
		Code string `validate:"len=3"`
	}

	type Level2 struct {
		Items map[string]Level3 `validate:"dive,keys,required,endkeys"`
	}

	type Level1 struct {
		Levels map[string]Level2 `validate:"dive,keys,required,endkeys"`
	}

	validate := New()

	// Valid case: all Level3.Code are exactly 3 chars
	valid := Level1{Levels: map[string]Level2{
		"first": {Items: map[string]Level3{
			"item1": {Code: "abc"},
			"item2": {Code: "xyz"},
		},
		},
	},
	}

	errs := validate.Struct(valid)
	Equal(t, errs, nil)

	// Invalid case: one Level3.Code is wrong length
	invalid := Level1{Levels: map[string]Level2{
		"first": {Items: map[string]Level3{
			"item1": {Code: "abcd"}, // Should fail here because length is 4
			"item2": {Code: "xyz"},
		},
		},
	},
	}

	errs = validate.Struct(invalid)
	NotEqual(t, errs, nil)
}
func TestMapStructFallbackWithKeysOnly(t *testing.T) {
	// Tests fallback behavior when validating map keys and struct values
	type Inner struct {
		Value string `validate:"max=3"`
	}
	type Outer struct {
		Data map[string]Inner `validate:"dive,keys,max=2,endkeys"`
	}
	validate := New()

	// Key too long: should fail on key before fallback
	obj1 := Outer{Data: map[string]Inner{"toolong": {Value: "ok"}}}
	errs := validate.Struct(obj1)
	NotEqual(t, errs, nil)

	// Key OK, value too long: should fallback and fail on Inner.Value
	obj2 := Outer{Data: map[string]Inner{"ok": {Value: "toolong"}}}
	errs = validate.Struct(obj2)
	NotEqual(t, errs, nil)

	// Both key and value OK: should pass
	obj3 := Outer{Data: map[string]Inner{"ok": {Value: "abc"}}}
	errs = validate.Struct(obj3)
	Equal(t, errs, nil)
}

func TestMapPointerStructFallback(t *testing.T) {
	// Tests fallback behavior when validating map keys and pointer to struct values
	type Inner struct {
		Count int `validate:"gt=0"`
	}
	type Outer struct {
		Data map[string]*Inner `validate:"dive,keys,max=3,endkeys"`
	}
	validate := New()

	// Key OK, pointer is nil: no fallback error
	obj1 := Outer{Data: map[string]*Inner{"ok": nil}}
	errs := validate.Struct(obj1)
	Equal(t, errs, nil)

	// Key OK, pointer non-nil but field invalid: fallback should validate Inner.Count
	obj2 := Outer{Data: map[string]*Inner{"ok": {Count: 0}}}
	errs = validate.Struct(obj2)
	NotEqual(t, errs, nil)

	// Key OK, pointer non-nil and valid: should pass
	obj3 := Outer{Data: map[string]*Inner{"ok": {Count: 5}}}
	errs = validate.Struct(obj3)
	Equal(t, errs, nil)
}

func TestMapNonStructValueSkipsFallback(t *testing.T) {
	// Tests that fallback is skipped for non-struct values in maps
	type Outer struct {
		Data map[string]int `validate:"dive,keys,min=1,endkeys"`
	}
	validate := New()

	// Key OK, value is primitive: no fallback needed, should pass
	obj1 := Outer{Data: map[string]int{"a": 0}}
	errs := validate.Struct(obj1)
	Equal(t, errs, nil)

	// Key too short: should fail on key
	obj2 := Outer{Data: map[string]int{"": 0}}
	errs = validate.Struct(obj2)
	NotEqual(t, errs, nil)
}

func TestMapSliceValueNoFallback(t *testing.T) {
	// Tests that fallback is skipped for slice values in maps
	type Outer struct {
		Data map[string][]string `validate:"dive,keys,max=1,endkeys"`
	}
	validate := New()

	// Key OK, value is slice: skip fallback, should pass
	obj1 := Outer{Data: map[string][]string{"a": {"x", "y"}}}
	errs := validate.Struct(obj1)
	Equal(t, errs, nil)

	// Key too long: should fail on key
	obj2 := Outer{Data: map[string][]string{"ab": {"x"}}}
	errs = validate.Struct(obj2)
	NotEqual(t, errs, nil)
}
func TestMapEmptyStructValueNoError(t *testing.T) {
	// Tests that empty struct values in maps do not trigger validation errors
	type Inner struct{} // no validation tags

	type Outer struct {
		Data map[string]Inner `validate:"dive,keys,max=3,endkeys"`
	}
	validate := New()

	// Key OK, value is empty struct: no fields to validate, should pass
	obj1 := Outer{Data: map[string]Inner{"ok": {}}}
	errs := validate.Struct(obj1)
	Equal(t, errs, nil)

	// Key too long: should fail on key, skip struct
	obj2 := Outer{Data: map[string]Inner{"toolong": {}}}
	errs = validate.Struct(obj2)
	NotEqual(t, errs, nil)
}

func TestMapNestedEmptyStructs(t *testing.T) {
	// Tests that nested empty structs in maps validate correctly
	type Level3 struct{}
	type Level2 struct {
		Items map[string]Level3 `validate:"dive,keys,max=2,endkeys"`
	}
	type Level1 struct {
		Levels map[string]Level2 `validate:"dive,keys,max=2,endkeys"`
	}

	validate := New()

	// All keys within max=2, and inner structs are empty → should pass
	obj := Level1{Levels: map[string]Level2{
		"a": {Items: map[string]Level3{"b": {}}},
	}}
	errs := validate.Struct(obj)
	Equal(t, errs, nil)

	// Top-level key too long: should fail on Level1 key, skip deeper
	obj2 := Level1{Levels: map[string]Level2{
		"too": {Items: map[string]Level3{"b": {}}}, // "too" length=3 > max=2
	}}
	errs = validate.Struct(obj2)
	NotEqual(t, errs, nil)
}

func TestMapEmptyValueMap(t *testing.T) {
	// Tests that an empty map with struct values does not trigger validation errors
	type Inner struct {
		Value string `validate:"required"`
	}

	type Outer struct {
		Data map[string]Inner `validate:"dive,keys,max=3,endkeys"`
	}
	validate := New()

	// Empty map: nothing to validate, should pass
	obj := Outer{Data: map[string]Inner{}}
	errs := validate.Struct(obj)
	Equal(t, errs, nil)
}

func TestMapEmptyPointerStructValueNoError(t *testing.T) {
	// Tests that empty pointer struct values in maps do not trigger validation errors
	type Inner struct{}

	type Outer struct {
		Data map[string]*Inner `validate:"dive,keys,max=3,endkeys"`
	}
	validate := New()

	// Key OK, pointer is non-nil empty struct: should pass
	obj1 := Outer{Data: map[string]*Inner{"ok": {}}}
	errs := validate.Struct(obj1)
	Equal(t, errs, nil)

	// Key OK, pointer is nil: no tags on Inner, so should pass
	obj2 := Outer{Data: map[string]*Inner{"ok": nil}}
	errs = validate.Struct(obj2)
	Equal(t, errs, nil)
}
func TestOmitZeroWithSlices(t *testing.T) {
	// Tests the behavior of omitempty and omitzero with slices
	type OmitEmptyExample struct {
		Data []string `validate:"omitempty,min=2"`
	}

	type OmitZeroExample struct {
		Data []string `validate:"omitzero,min=2"`
	}

	validate := New()

	t.Run("nil slices", func(t *testing.T) {
		// Test 1: nil slices
		test1Empty := OmitEmptyExample{Data: nil}
		test1Zero := OmitZeroExample{Data: nil}

		err1 := validate.Struct(test1Empty)
		err2 := validate.Struct(test1Zero)

		Equal(t, err1, nil) // No error (skipped)
		Equal(t, err2, nil) // No error (skipped)
	})

	t.Run("empty but non-nil slices", func(t *testing.T) {
		// Test 2: empty but non-nil slices
		test2Empty := OmitEmptyExample{Data: []string{}}
		test2Zero := OmitZeroExample{Data: []string{}}

		err1 := validate.Struct(test2Empty)
		err2 := validate.Struct(test2Zero)

		NotEqual(t, err1, nil) // Error (min=2)
		Equal(t, err2, nil)    // No error (should be skipped)
	})

	t.Run("single item slices", func(t *testing.T) {
		// Test 3: single item slices (still not meeting min=2)
		test3Empty := OmitEmptyExample{Data: []string{"one"}}
		test3Zero := OmitZeroExample{Data: []string{"one"}}

		err1 := validate.Struct(test3Empty)
		err2 := validate.Struct(test3Zero)

		NotEqual(t, err1, nil) // Error (min=2)
		NotEqual(t, err2, nil) // Error (min=2)
	})

	t.Run("valid slices", func(t *testing.T) {
		// Test 4: valid slices (min=2 satisfied)
		test4Empty := OmitEmptyExample{Data: []string{"one", "two"}}
		test4Zero := OmitZeroExample{Data: []string{"one", "two"}}

		err1 := validate.Struct(test4Empty)
		err2 := validate.Struct(test4Zero)

		Equal(t, err1, nil) // No error
		Equal(t, err2, nil) // No error
	})
}
func TestOmitZeroWithMaps(t *testing.T) {
	// Tests the behavior of omitempty and omitzero with maps
	type OmitEmptyExample struct {
		Data map[string]string `validate:"omitempty,min=2"`
	}

	type OmitZeroExample struct {
		Data map[string]string `validate:"omitzero,min=2"`
	}

	validate := New()

	t.Run("nil maps", func(t *testing.T) {
		// Test 1: nil maps
		test1Empty := OmitEmptyExample{Data: nil}
		test1Zero := OmitZeroExample{Data: nil}

		err1 := validate.Struct(test1Empty)
		err2 := validate.Struct(test1Zero)

		Equal(t, err1, nil) // No error (skipped)
		Equal(t, err2, nil) // No error (skipped)
	})

	t.Run("empty but non-nil maps", func(t *testing.T) {
		// Test 2: empty but non-nil maps
		test2Empty := OmitEmptyExample{Data: map[string]string{}}
		test2Zero := OmitZeroExample{Data: map[string]string{}}

		err1 := validate.Struct(test2Empty)
		err2 := validate.Struct(test2Zero)

		NotEqual(t, err1, nil) // Error (min=2)
		Equal(t, err2, nil)    // No error (should be skipped)
	})

	t.Run("single item maps", func(t *testing.T) {
		// Test 3: single item maps (still not meeting min=2)
		test3Empty := OmitEmptyExample{Data: map[string]string{"key1": "value1"}}
		test3Zero := OmitZeroExample{Data: map[string]string{"key1": "value1"}}

		err1 := validate.Struct(test3Empty)
		err2 := validate.Struct(test3Zero)

		NotEqual(t, err1, nil) // Error (min=2)
		NotEqual(t, err2, nil) // Error (min=2)
	})

	t.Run("valid maps", func(t *testing.T) {
		// Test 4: valid maps (min=2 satisfied)
		test4Empty := OmitEmptyExample{Data: map[string]string{"key1": "value1", "key2": "value2"}}
		test4Zero := OmitZeroExample{Data: map[string]string{"key1": "value1", "key2": "value2"}}

		err1 := validate.Struct(test4Empty)
		err2 := validate.Struct(test4Zero)

		Equal(t, err1, nil) // No error
		Equal(t, err2, nil) // No error
	})
}
func TestRequiredIfWithNilBytesSlice(t *testing.T) {
	// Tests the behavior of required_if with nil byte slices
	type TextOrBytes struct {
		Text  string `validate:"required_if=Bytes nil"`
		Bytes []byte `validate:"required_if=Text nil"`
	}

	validate := New(WithRequiredStructEnabled())

	t.Run("Text empty, Bytes empty but not nil", func(t *testing.T) {
		// Test 1: Text empty, Bytes empty but not nil
		obj := TextOrBytes{
			Text:  "",
			Bytes: []byte{},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Bytes is not nil, just empty
	})

	t.Run("Text empty, Bytes nil", func(t *testing.T) {
		// Test 2: Text empty, Bytes nil
		obj := TextOrBytes{
			Text:  "",
			Bytes: nil,
		}
		err := validate.Struct(obj)

		NotEqual(t, err, nil) // Error - Text is required when Bytes is nil
	})

	t.Run("Text populated, Bytes nil", func(t *testing.T) {
		// Test 3: Text populated, Bytes nil
		obj := TextOrBytes{
			Text:  "Hello",
			Bytes: nil,
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Text has value when Bytes is nil
	})

	t.Run("Text populated, Bytes empty but not nil", func(t *testing.T) {
		// Test 4: Text populated, Bytes empty but not nil
		obj := TextOrBytes{
			Text:  "Hello",
			Bytes: []byte{},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Neither field is nil
	})

	t.Run("Text empty, Bytes populated", func(t *testing.T) {
		// Test 5: Text empty, Bytes populated
		obj := TextOrBytes{
			Text:  "",
			Bytes: []byte("World"),
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Bytes has value when Text is empty
	})

	t.Run("Both fields populated", func(t *testing.T) {
		// Test 6: Both fields populated
		obj := TextOrBytes{
			Text:  "Hello",
			Bytes: []byte("World"),
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Both fields have values
	})
}
func TestRequiredIfWithMaps(t *testing.T) {
	// Tests the behavior of required_if with maps
	type TextOrMap struct {
		Text string                 `validate:"required_if=Data nil"`
		Data map[string]interface{} `validate:"required_if=Text nil"`
	}

	validate := New(WithRequiredStructEnabled())

	t.Run("Text empty, Map nil", func(t *testing.T) {
		// Test 1: Text empty, Map nil
		obj := TextOrMap{
			Text: "",
			Data: nil,
		}
		err := validate.Struct(obj)

		NotEqual(t, err, nil) // Error - Text is required when Data is nil
	})

	t.Run("Text populated, Map nil", func(t *testing.T) {
		// Test 2: Text populated, Map nil
		obj := TextOrMap{
			Text: "Hello",
			Data: nil,
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Text has value when Data is nil
	})

	t.Run("Text empty, Map empty but not nil", func(t *testing.T) {
		// Test 3: Text empty, Map empty but not nil
		obj := TextOrMap{
			Text: "",
			Data: map[string]interface{}{},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Data is not nil, just empty
	})

	t.Run("Text populated, Map empty but not nil", func(t *testing.T) {
		// Test 4: Text populated, Map empty but not nil
		obj := TextOrMap{
			Text: "Hello",
			Data: map[string]interface{}{},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Neither field is nil
	})

	t.Run("Text empty, Map populated", func(t *testing.T) {
		// Test 5: Text empty, Map populated
		obj := TextOrMap{
			Text: "",
			Data: map[string]interface{}{"key": "value"},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Data has value when Text is empty
	})

	t.Run("Both fields populated", func(t *testing.T) {
		// Test 6: Both fields populated
		obj := TextOrMap{
			Text: "Hello",
			Data: map[string]interface{}{"key": "value"},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Both fields have values
	})
}
func TestRequiredIfWithArrays(t *testing.T) {
	// Tests the behavior of required_if with arrays
	type TextOrArray struct {
		Text string    `validate:"required_if=Data 3"`   // Check if array length is 3
		Data [3]string `validate:"required_if=Text nil"` // Check if Text is empty
	}

	// Also test with a different length to verify behavior
	type TextOrSmallArray struct {
		Text string    `validate:"required_if=Data 2"`   // Check if array length is 2 (which it never will be for [3]string)
		Data [3]string `validate:"required_if=Text nil"` // Check if Text is empty
	}

	validate := New(WithRequiredStructEnabled())

	t.Run("Array length always matches declared size", func(t *testing.T) {
		// Test 1: Text empty, Array has length 3
		obj := TextOrArray{
			Text: "",
			Data: [3]string{}, // Zero values but length is 3
		}
		err := validate.Struct(obj)

		NotEqual(t, err, nil) // Error - Text is required when Data length equals 3
	})

	t.Run("Text populated, Array always has declared length", func(t *testing.T) {
		// Test 2: Text populated, Array has length 3
		obj := TextOrArray{
			Text: "Hello",
			Data: [3]string{},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Text has value
	})

	t.Run("Length check that never matches doesn't trigger validation", func(t *testing.T) {
		// Test 3: Text empty, Array has length 3 but we check for length 2
		obj := TextOrSmallArray{
			Text: "",
			Data: [3]string{},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Data length never equals 2
	})

	t.Run("Array values don't affect length check", func(t *testing.T) {
		// Test 4: Text empty, Array partially populated but still length 3
		obj := TextOrArray{
			Text: "",
			Data: [3]string{"One", "Two", ""},
		}
		err := validate.Struct(obj)

		NotEqual(t, err, nil) // Error - Text is required when Data length equals 3
	})

	t.Run("Array values with Text populated passes validation", func(t *testing.T) {
		// Test 5: Text populated, Array with values
		obj := TextOrArray{
			Text: "Hello",
			Data: [3]string{"One", "Two", "Three"},
		}
		err := validate.Struct(obj)

		Equal(t, err, nil) // No error - Text has value
	})
}

type ValuerTypeWithPointerReceiver[T any] struct {
	Data T
}

func (t *ValuerTypeWithPointerReceiver[T]) ValidatorValue() any {
	return t.Data
}

type ValuerTypeWithValueReceiver[T any] struct {
	Data T
}

func (t ValuerTypeWithValueReceiver[T]) ValidatorValue() any {
	return t.Data
}

func TestValuerInterface(t *testing.T) {
	t.Run("parent as Valuer (not called)", func(t *testing.T) {
		errs := New().Struct(&ValuerTypeWithPointerReceiver[SubTest]{})
		AssertError(t, errs,
			"ValuerTypeWithPointerReceiver[github.com/go-playground/validator/v10.SubTest].Data.Test",
			"ValuerTypeWithPointerReceiver[github.com/go-playground/validator/v10.SubTest].Data.Test",
			"Test", "Test", "required")
	})
	t.Run("pointer parent, pointer nested, pointer receiver (called)", func(t *testing.T) {
		type Parent struct {
			Nested *ValuerTypeWithPointerReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(&Parent{})
		AssertError(t, errs, "Parent.Nested", "Parent.Nested", "Nested", "Nested", "required")

		errs = New().Struct(&Parent{
			Nested: &ValuerTypeWithPointerReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(&Parent{
			Nested: &ValuerTypeWithPointerReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("pointer parent, pointer nested, value receiver (called)", func(t *testing.T) {
		type Parent struct {
			Nested *ValuerTypeWithValueReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(&Parent{})
		AssertError(t, errs, "Parent.Nested", "Parent.Nested", "Nested", "Nested", "required")

		errs = New().Struct(&Parent{
			Nested: &ValuerTypeWithValueReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(&Parent{
			Nested: &ValuerTypeWithValueReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("pointer parent, value nested, pointer receiver (not called)", func(t *testing.T) {
		type Parent struct {
			Nested ValuerTypeWithPointerReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(&Parent{})
		AssertError(t, errs, "Parent.Nested.Data.Test", "Parent.Nested.Data.Test", "Test", "Test", "required")

		errs = New().Struct(&Parent{
			Nested: ValuerTypeWithPointerReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Data.Test", "Parent.Nested.Data.Test", "Test", "Test", "required")

		errs = New().Struct(&Parent{
			Nested: ValuerTypeWithPointerReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("pointer parent, value nested, value receiver (called)", func(t *testing.T) {
		type Parent struct {
			Nested ValuerTypeWithValueReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(&Parent{})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(&Parent{
			Nested: ValuerTypeWithValueReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(&Parent{
			Nested: ValuerTypeWithValueReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("value parent, pointer nested, pointer receiver (called)", func(t *testing.T) {
		type Parent struct {
			Nested *ValuerTypeWithPointerReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(Parent{})
		AssertError(t, errs, "Parent.Nested", "Parent.Nested", "Nested", "Nested", "required")

		errs = New().Struct(Parent{
			Nested: &ValuerTypeWithPointerReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(Parent{
			Nested: &ValuerTypeWithPointerReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("value parent, pointer nested, value receiver (called)", func(t *testing.T) {
		type Parent struct {
			Nested *ValuerTypeWithValueReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(Parent{})
		AssertError(t, errs, "Parent.Nested", "Parent.Nested", "Nested", "Nested", "required")

		errs = New().Struct(Parent{
			Nested: &ValuerTypeWithValueReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(Parent{
			Nested: &ValuerTypeWithValueReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("value parent, value nested, pointer receiver (not called)", func(t *testing.T) {
		type Parent struct {
			Nested ValuerTypeWithPointerReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(Parent{})
		AssertError(t, errs, "Parent.Nested.Data.Test", "Parent.Nested.Data.Test", "Test", "Test", "required")

		errs = New().Struct(Parent{
			Nested: ValuerTypeWithPointerReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Data.Test", "Parent.Nested.Data.Test", "Test", "Test", "required")

		errs = New().Struct(Parent{
			Nested: ValuerTypeWithPointerReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
	t.Run("value parent, value nested, value receiver (called)", func(t *testing.T) {
		type Parent struct {
			Nested ValuerTypeWithValueReceiver[SubTest] `validate:"required"`
		}

		errs := New().Struct(Parent{})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(Parent{
			Nested: ValuerTypeWithValueReceiver[SubTest]{},
		})
		AssertError(t, errs, "Parent.Nested.Test", "Parent.Nested.Test", "Test", "Test", "required")

		errs = New().Struct(Parent{
			Nested: ValuerTypeWithValueReceiver[SubTest]{
				Data: SubTest{
					Test: "Test",
				},
			},
		})
		if errs != nil {
			t.Fatalf("Expected no error, got: %v", errs)
		}
	})
}