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test(router): use pageYOffset in testing when scrollY is not available (#35976)

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IE 9, 10, and 11 use the non-standard name `pageYOffset` instead of
`scrollY`.

PR Close #35976
This commit is contained in:
Andrew Scott
2020-03-09 15:53:29 -07:00
committed by Matias Niemelä
parent 81cb54fc15
commit fc71032dc4
2 changed files with 9 additions and 21 deletions
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15
packages/router/test/bootstrap.spec.ts
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@ -298,24 +298,27 @@ describe('bootstrap', () => {
await router.navigateByUrl('/aa');
window.scrollTo(0, 5000);
// IE 9/10/11 use non-standard pageYOffset instead of scrollY
const getScrollY = () => window.scrollY !== undefined ? window.scrollY : window.pageYOffset;
await router.navigateByUrl('/fail');
expect(window.scrollY).toEqual(5000);
expect(getScrollY()).toEqual(5000);
await router.navigateByUrl('/bb');
window.scrollTo(0, 3000);
expect(window.scrollY).toEqual(3000);
expect(getScrollY()).toEqual(3000);
await router.navigateByUrl('/cc');
expect(window.scrollY).toEqual(0);
expect(getScrollY()).toEqual(0);
await router.navigateByUrl('/aa#marker2');
expect(window.scrollY >= 5900).toBe(true);
expect(getScrollY() >= 5900).toBe(true);
expect(window.scrollY < 6000).toBe(true); // offset
await router.navigateByUrl('/aa#marker3');
expect(window.scrollY >= 8900).toBe(true);
expect(window.scrollY < 9000).toBe(true);
expect(getScrollY() >= 8900).toBe(true);
expect(getScrollY() < 9000).toBe(true);
done();
});