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94 lines
3.2 KiB
HTML
94 lines
3.2 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Document.getAnimations() for CSS transitions</title>
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<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#animation-composite-order">
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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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test(t => {
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assert_equals(document.getAnimations().length, 0,
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'getAnimations returns an empty sequence for a document'
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+ ' with no animations');
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}, 'getAnimations for non-animated content');
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test(t => {
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const div = addDiv(t);
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// Add a couple of transitions
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div.style.left = '0px';
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div.style.top = '0px';
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getComputedStyle(div).transitionProperty;
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div.style.transition = 'all 100s';
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div.style.left = '100px';
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div.style.top = '100px';
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assert_equals(document.getAnimations().length, 2,
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'getAnimations returns two running CSS Transitions');
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// Remove both
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div.style.transitionProperty = 'none';
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assert_equals(document.getAnimations().length, 0,
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'getAnimations returns no running CSS Transitions');
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}, 'getAnimations for CSS Transitions');
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test(t => {
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addStyle(t, { '.init::after': 'content: ""; width: 0px; ' +
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'transition: all 100s;',
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'.init::before': 'content: ""; width: 0px; ' +
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'transition: all 10s;',
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'.change::after': 'width: 100px;',
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'.change::before': 'width: 100px;' });
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// create two divs with these arrangement:
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// parent
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// ::before,
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// ::after
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// |
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// child
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const parent = addDiv(t);
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const child = addDiv(t);
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parent.appendChild(child);
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parent.style.left = '0px';
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parent.style.transition = 'left 10s';
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parent.classList.add('init');
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child.style.left = '0px';
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child.style.transition = 'left 10s';
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getComputedStyle(parent).left;
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parent.style.left = '100px';
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parent.classList.add('change');
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child.style.left = '100px';
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const anims = document.getAnimations();
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assert_equals(anims.length, 4,
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'CSS transition on both pseudo-elements and elements ' +
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'are returned');
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assert_equals(anims[0].effect.target, parent,
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'The animation targeting the parent element comes first');
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assert_equals(anims[1].effect.target.type, '::before',
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'The animation targeting the ::before element comes second');
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assert_equals(anims[2].effect.target.type, '::after',
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'The animation targeting the ::after element comes third');
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assert_equals(anims[3].effect.target, child,
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'The animation targeting the child element comes last');
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}, 'CSS Transitions targetting (pseudo-)elements should have correct order ' +
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'after sorting');
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promise_test(async t => {
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const div = addDiv(t, { style: 'left: 0px; transition: all 50ms' });
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getComputedStyle(div).left;
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div.style.left = '100px';
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const animations = div.getAnimations();
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assert_equals(animations.length, 1, 'Got transition');
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await animations[0].finished;
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assert_equals(document.getAnimations().length, 0,
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'No animations returned');
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}, 'Transitions are not returned after they have finished');
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</script>
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