40 lines
1.6 KiB
HTML
40 lines
1.6 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Not canceling a CSS transition</title>
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<link rel="help" href="https://drafts.csswg.org/css-transitions/#starting">
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<!-- TODO: Add a more specific link for this once it is specified. -->
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<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
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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="support/helper.js"></script>
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<div id="log"></div>
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<script>
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'use strict';
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const runDisplayNoneTransitionTest = displayTransitionStyle => {
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promise_test(async t => {
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const div = addDiv(t, { style: 'margin-left: 0px' });
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getComputedStyle(div).marginLeft;
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div.style.transition = 'margin-left 100s';
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div.style.marginLeft = '1000px';
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const transition = div.getAnimations()[0];
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await transition.ready;
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await waitForFrame();
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assert_not_equals(getComputedStyle(div).marginLeft, '1000px',
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'transform style is animated before setting "display: none"');
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div.style.transition = `${div.style.transition}, ${displayTransitionStyle}`;
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div.style.display = 'none';
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assert_not_equals(getComputedStyle(div).marginLeft, '1000px',
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'transform style is animated after setting "display: none"');
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}, `Setting "display: none" with "display" set to transition using "${displayTransitionStyle}" does not cancel running transitions`);
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};
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runDisplayNoneTransitionTest('display 100s allow-discrete');
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runDisplayNoneTransitionTest('display 100s, all allow-discrete 100s');
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</script>
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