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test: cover web provider viewport overflow #797

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test: cover web provider viewport overflow #797

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9 changes: 9 additions & 0 deletions src/__tests__/NativeSafeAreaProvider.web-test.tsx
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Expand Up @@ -201,6 +201,15 @@ describe('NativeSafeAreaProvider.web', () => {
});
});

it('does not grow insets when the provider extends beyond every viewport edge', () => {
// A root provider can contain a scrolling document taller and wider than
// the viewport. Negative edge distances must not inflate safe-area values.
rectMock.mockReturnValue(makeRect(-500, -500, 2048, 2690));
const onInsetsChange = jest.fn<InsetChangeNativeCallback>();
mountProvider(onInsetsChange);
expect(lastMetrics(onInsetsChange).insets).toEqual(WINDOW_INSETS);
});

it('reports window insets and frame for a full-viewport provider', () => {
rectMock.mockReturnValue(makeRect(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT));
const onInsetsChange = jest.fn<InsetChangeNativeCallback>();
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