37 lines
1.2 KiB
HTML
37 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<link rel="author" href="mailto:masonf@chromium.org">
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<link rel="help" href="https://issues.chromium.org/issues/324112201">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-actions.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<div id=container style="border:1px solid red; width: 100px;">
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<template shadowrootmode=open shadowrootdelegatesfocus>
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<slot></slot>
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</template>
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<a id=anchor href="#heading">anchor</a>
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<div style="height:2000px"></div>
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<h1 id=heading>Heading</h1>
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</div>
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<script>
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promise_test(async (t) => {
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t.add_cleanup(() => container.remove());
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let scrolled = new Promise(resolve => {
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document.addEventListener('scrollend',resolve,{once:true});
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})
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await test_driver.click(anchor);
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await scrolled;
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scrolled = false;
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document.addEventListener('scroll',() => {
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scrolled = true;
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});
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await test_driver.click(heading);
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await new Promise(resolve => t.step_timeout(resolve, 500));
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assert_false(scrolled,'The document should not scroll');
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},'delegatesFocus shouldn\'t cause extra focus steps');
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</script>
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