LayoutTests/imported/w3c/web-platform-tests/css/css-animations/Element-getAnimations.tentative.html - WebKit - Git at Google

 <!doctype html>
 <meta charset=utf-8>
 <title>Element.getAnimations() for CSS animations</title>
 <!--  TODO: Add a more specific link for this once it is specified.  -->
 <link rel="help" href="https://drafts.csswg.org/css-animations-2/">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="support/testcommon.js"></script>
 <style>
 @keyframes anim1 {
   to { left: 100px }
 }
 @keyframes anim2 {
   to { top: 100px }
 }
 @keyframes multiPropAnim {
   to { background: green, opacity: 0.5, left: 100px, top: 100px }
 }
 ::before {
   content: ''
 }
 ::after {
   content: ''
 }
 @keyframes empty { }
 </style>
 <div id="log"></div>
 <script>
 'use strict';

 test(t => {
   const div = addDiv(t);
   assert_equals(div.getAnimations().length, 0,
     'getAnimations returns an empty sequence for an element'
     + ' with no animations');
 }, 'getAnimations for non-animated content');

 promise_test(async t => {
   const div = addDiv(t);

   // Add an animation
   div.style.animation = 'anim1 100s';
   let animations = div.getAnimations();
   assert_equals(animations.length, 1,
     'getAnimations returns an Animation running CSS Animations');
   await animations[0].ready;

   // Add a second animation
   div.style.animation = 'anim1 100s, anim2 100s';
   animations = div.getAnimations();
   assert_equals(animations.length, 2,
     'getAnimations returns one CSSAnimation for each value of animation-name');
   // (We don't check the order of the Animations since that is covered by tests
   //  later in this file.)
 }, 'getAnimations for CSS Animations');

 test(t => {
   const div = addDiv(t, { style: 'animation: anim1 100s' });
   assert_class_string(div.getAnimations()[0], 'CSSAnimation',
                       'Interface of returned animation is CSSAnimation');
 }, 'getAnimations returns CSSAnimation objects for CSS Animations');

 test(t => {
   const div = addDiv(t);

   // Add an animation that targets multiple properties
   div.style.animation = 'multiPropAnim 100s';
   assert_equals(div.getAnimations().length, 1,
     'getAnimations returns only one Animation for a CSS Animation'
     + ' that targets multiple properties');
 }, 'getAnimations for multi-property animations');

 promise_test(async t => {
   const div = addDiv(t);

   // Add an animation
   div.style.backgroundColor = 'red';
   div.style.animation = 'anim1 100s';
   getComputedStyle(div).backgroundColor;

   // Wait until a frame after the animation starts, then add a transition
   let animations = div.getAnimations();
   await animations[0].ready;
   await waitForFrame();

   div.style.transition = 'all 100s';
   div.style.backgroundColor = 'green';

   animations = div.getAnimations();
   assert_equals(animations.length, 2,
     'getAnimations returns Animations for both animations and'
     + ' transitions that run simultaneously');
   assert_class_string(animations[0], 'CSSTransition',
                       'First-returned animation is the CSS Transition');
   assert_class_string(animations[1], 'CSSAnimation',
                       'Second-returned animation is the CSS Animation');
 }, 'getAnimations for both CSS Animations and CSS Transitions at once');

 async_test(t => {
   const div = addDiv(t);

   // Set up event listener
   div.addEventListener('animationend', t.step_func(() => {
     assert_equals(div.getAnimations().length, 0,
       'getAnimations does not return Animations for finished '
       + ' (and non-forwards-filling) CSS Animations');
     t.done();
   }));

   // Add a very short animation
   div.style.animation = 'anim1 0.01s';
 }, 'getAnimations for CSS Animations that have finished');

 async_test(t => {
   const div = addDiv(t);

   // Set up event listener
   div.addEventListener('animationend', t.step_func(() => {
     assert_equals(div.getAnimations().length, 1,
       'getAnimations returns Animations for CSS Animations that have'
       + ' finished but are filling forwards');
     t.done();
   }));

   // Add a very short animation
   div.style.animation = 'anim1 0.01s forwards';
 }, 'getAnimations for CSS Animations that have finished but are'
    + ' forwards filling');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'none 100s';

   let animations = div.getAnimations();
   assert_equals(animations.length, 0,
     'getAnimations returns an empty sequence for an element'
     + ' with animation-name: none');

   div.style.animation = 'none 100s, anim1 100s';
   animations = div.getAnimations();
   assert_equals(animations.length, 1,
     'getAnimations returns Animations only for those CSS Animations whose'
     + ' animation-name is not none');
 }, 'getAnimations for CSS Animations with animation-name: none');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'missing 100s';
   let animations = div.getAnimations();
   assert_equals(animations.length, 0,
     'getAnimations returns an empty sequence for an element'
     + ' with animation-name: missing');

   div.style.animation = 'anim1 100s, missing 100s';
   animations = div.getAnimations();
   assert_equals(animations.length, 1,
     'getAnimations returns Animations only for those CSS Animations whose'
     + ' animation-name is found');
 }, 'getAnimations for CSS Animations with animation-name: missing');

 promise_test(async t => {
   const div = addDiv(t);
   div.style.animation = 'anim1 100s, notyet 100s';
   let animations = div.getAnimations();
   assert_equals(animations.length, 1,
     'getAnimations initally only returns Animations for CSS Animations whose'
     + ' animation-name is found');

   await animations[0].ready;
   await waitForFrame();

   const keyframes = '@keyframes notyet { to { left: 100px; } }';
   document.styleSheets[0].insertRule(keyframes, 0);
   animations = div.getAnimations();
   assert_equals(animations.length, 2,
     'getAnimations includes Animation when @keyframes rule is added'
     + ' later');
   await waitForAllAnimations(animations);

   assert_true(animations[0].startTime < animations[1].startTime,
     'Newly added animation has a later start time');
   document.styleSheets[0].deleteRule(0);
 }, 'getAnimations for CSS Animations where the @keyframes rule is added'
    + ' later');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'anim1 100s, anim1 100s';
   assert_equals(div.getAnimations().length, 2,
     'getAnimations returns one Animation for each CSS animation-name'
     + ' even if the names are duplicated');
 }, 'getAnimations for CSS Animations with duplicated animation-name');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'empty 100s';
   assert_equals(div.getAnimations().length, 1,
     'getAnimations returns Animations for CSS animations with an'
     + ' empty keyframes rule');
 }, 'getAnimations for CSS Animations with empty keyframes rule');

 promise_test(async t => {
   const div = addDiv(t);
   div.style.animation = 'anim1 100s 100s';
   const animations = div.getAnimations();
   assert_equals(animations.length, 1,
     'getAnimations returns animations for CSS animations whose'
     + ' delay makes them start later');
   await animations[0].ready;
   await waitForFrame();

   assert_true(animations[0].startTime <= document.timeline.currentTime,
     'For CSS Animations in delay phase, the start time of the Animation is'
     + ' not in the future');
 }, 'getAnimations for CSS animations in delay phase');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'anim1 0s 100s';
   assert_equals(div.getAnimations().length, 1,
     'getAnimations returns animations for CSS animations whose'
     + ' duration is zero');
   div.remove();
 }, 'getAnimations for zero-duration CSS Animations');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'anim1 100s';
   const originalAnimation = div.getAnimations()[0];

   // Update pause state (an Animation change)
   div.style.animationPlayState = 'paused';
   const pendingAnimation = div.getAnimations()[0];
   assert_equals(pendingAnimation.playState, 'paused',
                 'animation\'s play state is updated');
   assert_equals(originalAnimation, pendingAnimation,
                 'getAnimations returns the same objects even when their'
                 + ' play state changes');

   // Update duration (an Animation change)
   div.style.animationDuration = '200s';
   const extendedAnimation = div.getAnimations()[0];
   assert_equals(
     extendedAnimation.effect.getTiming().duration,
     200 * MS_PER_SEC,
     'animation\'s duration has been updated'
   );
   assert_equals(originalAnimation, extendedAnimation,
                 'getAnimations returns the same objects even when their'
                 + ' duration changes');
 }, 'getAnimations returns objects with the same identity');

 test(t => {
   const div = addDiv(t);
   div.style.animation = 'anim1 100s';

   assert_equals(div.getAnimations().length, 1,
     'getAnimations returns an animation before canceling');

   const animation = div.getAnimations()[0];

   animation.cancel();
   assert_equals(div.getAnimations().length, 0,
     'getAnimations does not return canceled animations');

   animation.play();
   assert_equals(div.getAnimations().length, 1,
     'getAnimations returns canceled animations that have been re-started');

 }, 'getAnimations for CSS Animations that are canceled');

 promise_test(async t => {
   const div = addDiv(t);
   div.style.animation = 'anim2 100s';

   await div.getAnimations()[0].ready;

   // Prepend to the list and test that even though anim1 was triggered
   // *after* anim2, it should come first because it appears first
   // in the animation-name property.
   div.style.animation = 'anim1 100s, anim2 100s';
   let anims = div.getAnimations();
   assert_equals(anims[0].animationName, 'anim1',
                 'animation order after prepending to list');
   assert_equals(anims[1].animationName, 'anim2',
                 'animation order after prepending to list');

   // Normally calling cancel and play would this push anim1 to the top of
   // the stack but it shouldn't for CSS animations that map an the
   // animation-name property.
   const anim1 = anims[0];
   anim1.cancel();
   anim1.play();
   anims = div.getAnimations();
   assert_equals(anims[0].animationName, 'anim1',
                 'animation order after canceling and restarting');
   assert_equals(anims[1].animationName, 'anim2',
                 'animation order after canceling and restarting');
 }, 'getAnimations for CSS Animations follows animation-name order');

 test(t => {
   addStyle(t, { '#target::after': 'animation: anim1 10s;',
                 '#target::before': 'animation: anim1 10s;' });
   const target = addDiv(t, { 'id': 'target' });
   target.style.animation = 'anim1 100s';

   const animations = target.getAnimations({ subtree: false });
   assert_equals(animations.length, 1,
                 'Should find only the element');
   assert_equals(animations[0].effect.target, target,
                 'Effect target should be the element');
 }, '{ subtree: false } on a leaf element returns the element\'s animations'
    + ' and ignore pseudo-elements');

 test(t => {
   addStyle(t, { '#target::after': 'animation: anim1 10s;',
                 '#target::before': 'animation: anim1 10s;' });
   const target = addDiv(t, { 'id': 'target' });
   target.style.animation = 'anim1 100s';

   const animations = target.getAnimations({ subtree: true });
   assert_equals(animations.length, 3,
                 'getAnimations({ subtree: true }) ' +
                 'should return animations on pseudo-elements');
   assert_equals(animations[0].effect.target, target,
                 'The animation targeting the parent element ' +
                 'should be returned first');
   assert_equals(animations[1].effect.target.type, '::before',
                 'The animation targeting the ::before pseudo-element ' +
                 'should be returned second');
   assert_equals(animations[2].effect.target.type, '::after',
                 'The animation targeting the ::after pesudo-element ' +
                 'should be returned last');
 }, '{ subtree: true } on a leaf element returns the element\'s animations'
    + ' and its pseudo-elements\' animations');

 test(t => {
   addStyle(t, { '#parent::after': 'animation: anim1 10s;',
                 '#parent::before': 'animation: anim1 10s;',
                 '#child::after': 'animation: anim1 10s;',
                 '#child::before': 'animation: anim1 10s;' });
   const parent = addDiv(t, { 'id': 'parent' });
   parent.style.animation = 'anim1 100s';
   const child = addDiv(t, { 'id': 'child' });
   child.style.animation = 'anim1 100s';
   parent.appendChild(child);

   const animations = parent.getAnimations({ subtree: false });
   assert_equals(animations.length, 1,
                 'Should find only the element even if it has a child');
   assert_equals(animations[0].effect.target, parent,
                 'Effect target shuld be the element');
 }, '{ subtree: false } on an element with a child returns only the element\'s'
    + ' animations');

 test(t => {
   addStyle(t, { '#parent::after': 'animation: anim1 10s;',
                 '#parent::before': 'animation: anim1 10s;',
                 '#child::after': 'animation: anim1 10s;',
                 '#child::before': 'animation: anim1 10s;' });
   const parent = addDiv(t, { 'id': 'parent' });
   const child = addDiv(t, { 'id': 'child' });
   parent.style.animation = 'anim1 100s';
   child.style.animation = 'anim1 100s';
   parent.appendChild(child);

   const animations = parent.getAnimations({ subtree: true });
   assert_equals(animations.length, 6,
                 'Should find all elements, pesudo-elements that parent has');

   assert_equals(animations[0].effect.target, parent,
                 'The animation targeting the parent element ' +
                 'should be returned first');
   assert_equals(animations[1].effect.target.type, '::before',
                 'The animation targeting the ::before pseudo-element ' +
                 'should be returned second');
   assert_equals(animations[1].effect.target.element, parent,
                 'This ::before element should be child of parent element');
   assert_equals(animations[2].effect.target.type, '::after',
                 'The animation targeting the ::after pesudo-element ' +
                 'should be returned third');
   assert_equals(animations[2].effect.target.element, parent,
                 'This ::after element should be child of parent element');

   assert_equals(animations[3].effect.target, child,
                 'The animation targeting the child element ' +
                 'should be returned fourth');
   assert_equals(animations[4].effect.target.type, '::before',
                 'The animation targeting the ::before pseudo-element ' +
                 'should be returned fifth');
   assert_equals(animations[4].effect.target.element, child,
                 'This ::before element should be child of child element');
   assert_equals(animations[5].effect.target.type, '::after',
                 'The animation targeting the ::after pesudo-element ' +
                 'should be returned last');
   assert_equals(animations[5].effect.target.element, child,
                 'This ::after element should be child of child element');
 }, '{ subtree: true } on an element with a child returns animations from the'
    + ' element, its pseudo-elements, its child and its child pseudo-elements');

 test(t => {
   const parent = addDiv(t, { 'id': 'parent' });
   const child1 = addDiv(t, { 'id': 'child1' });
   const grandchild1 = addDiv(t, { 'id': 'grandchild1' });
   const grandchild2 = addDiv(t, { 'id': 'grandchild2' });
   const child2 = addDiv(t, { 'id': 'child2' });

   parent.style.animation = 'anim1 100s';
   child1.style.animation = 'anim1 100s';
   grandchild1.style.animation = 'anim1 100s';
   grandchild2.style.animation = 'anim1 100s';
   child2.style.animation = 'anim1 100s';

   parent.appendChild(child1);
   child1.appendChild(grandchild1);
   child1.appendChild(grandchild2);
   parent.appendChild(child2);

   const animations = parent.getAnimations({ subtree: true });
   assert_equals(
     parent.getAnimations({ subtree: true }).length, 5,
                          'Should find all descendants of the element');

   assert_equals(animations[0].effect.target, parent,
                 'The animation targeting the parent element ' +
                 'should be returned first');

   assert_equals(animations[1].effect.target, child1,
                 'The animation targeting the child1 element ' +
                 'should be returned second');

   assert_equals(animations[2].effect.target, grandchild1,
                 'The animation targeting the grandchild1 element ' +
                 'should be returned third');

   assert_equals(animations[3].effect.target, grandchild2,
                 'The animation targeting the grandchild2 element ' +
                 'should be returned fourth');

   assert_equals(animations[4].effect.target, child2,
                 'The animation targeting the child2 element ' +
                 'should be returned last');

 }, '{ subtree: true } on an element with many descendants returns animations'
    + ' from all the descendants');

 </script>
	<!doctype html>
	<meta charset=utf-8>
	<title>Element.getAnimations() for CSS animations</title>
	<!-- TODO: Add a more specific link for this once it is specified. -->
	<link rel="help" href="https://drafts.csswg.org/css-animations-2/">
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script src="support/testcommon.js"></script>
	<style>
	@keyframes anim1 {
	to { left: 100px }
	}
	@keyframes anim2 {
	to { top: 100px }
	}
	@keyframes multiPropAnim {
	to { background: green, opacity: 0.5, left: 100px, top: 100px }
	}
	::before {
	content: ''
	}
	::after {
	content: ''
	}
	@keyframes empty { }
	</style>
	<div id="log"></div>
	<script>
	'use strict';

	test(t => {
	const div = addDiv(t);
	assert_equals(div.getAnimations().length, 0,
	'getAnimations returns an empty sequence for an element'
	+ ' with no animations');
	}, 'getAnimations for non-animated content');

	promise_test(async t => {
	const div = addDiv(t);

	// Add an animation
	div.style.animation = 'anim1 100s';
	let animations = div.getAnimations();
	assert_equals(animations.length, 1,
	'getAnimations returns an Animation running CSS Animations');
	await animations[0].ready;

	// Add a second animation
	div.style.animation = 'anim1 100s, anim2 100s';
	animations = div.getAnimations();
	assert_equals(animations.length, 2,
	'getAnimations returns one CSSAnimation for each value of animation-name');
	// (We don't check the order of the Animations since that is covered by tests
	// later in this file.)
	}, 'getAnimations for CSS Animations');

	test(t => {
	const div = addDiv(t, { style: 'animation: anim1 100s' });
	assert_class_string(div.getAnimations()[0], 'CSSAnimation',
	'Interface of returned animation is CSSAnimation');
	}, 'getAnimations returns CSSAnimation objects for CSS Animations');

	test(t => {
	const div = addDiv(t);

	// Add an animation that targets multiple properties
	div.style.animation = 'multiPropAnim 100s';
	assert_equals(div.getAnimations().length, 1,
	'getAnimations returns only one Animation for a CSS Animation'
	+ ' that targets multiple properties');
	}, 'getAnimations for multi-property animations');

	promise_test(async t => {
	const div = addDiv(t);

	// Add an animation
	div.style.backgroundColor = 'red';
	div.style.animation = 'anim1 100s';
	getComputedStyle(div).backgroundColor;

	// Wait until a frame after the animation starts, then add a transition
	let animations = div.getAnimations();
	await animations[0].ready;
	await waitForFrame();

	div.style.transition = 'all 100s';
	div.style.backgroundColor = 'green';

	animations = div.getAnimations();
	assert_equals(animations.length, 2,
	'getAnimations returns Animations for both animations and'
	+ ' transitions that run simultaneously');
	assert_class_string(animations[0], 'CSSTransition',
	'First-returned animation is the CSS Transition');
	assert_class_string(animations[1], 'CSSAnimation',
	'Second-returned animation is the CSS Animation');
	}, 'getAnimations for both CSS Animations and CSS Transitions at once');

	async_test(t => {
	const div = addDiv(t);

	// Set up event listener
	div.addEventListener('animationend', t.step_func(() => {
	assert_equals(div.getAnimations().length, 0,
	'getAnimations does not return Animations for finished '
	+ ' (and non-forwards-filling) CSS Animations');
	t.done();
	}));

	// Add a very short animation
	div.style.animation = 'anim1 0.01s';
	}, 'getAnimations for CSS Animations that have finished');

	async_test(t => {
	const div = addDiv(t);

	// Set up event listener
	div.addEventListener('animationend', t.step_func(() => {
	assert_equals(div.getAnimations().length, 1,
	'getAnimations returns Animations for CSS Animations that have'
	+ ' finished but are filling forwards');
	t.done();
	}));

	// Add a very short animation
	div.style.animation = 'anim1 0.01s forwards';
	}, 'getAnimations for CSS Animations that have finished but are'
	+ ' forwards filling');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'none 100s';

	let animations = div.getAnimations();
	assert_equals(animations.length, 0,
	'getAnimations returns an empty sequence for an element'
	+ ' with animation-name: none');

	div.style.animation = 'none 100s, anim1 100s';
	animations = div.getAnimations();
	assert_equals(animations.length, 1,
	'getAnimations returns Animations only for those CSS Animations whose'
	+ ' animation-name is not none');
	}, 'getAnimations for CSS Animations with animation-name: none');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'missing 100s';
	let animations = div.getAnimations();
	assert_equals(animations.length, 0,
	'getAnimations returns an empty sequence for an element'
	+ ' with animation-name: missing');

	div.style.animation = 'anim1 100s, missing 100s';
	animations = div.getAnimations();
	assert_equals(animations.length, 1,
	'getAnimations returns Animations only for those CSS Animations whose'
	+ ' animation-name is found');
	}, 'getAnimations for CSS Animations with animation-name: missing');

	promise_test(async t => {
	const div = addDiv(t);
	div.style.animation = 'anim1 100s, notyet 100s';
	let animations = div.getAnimations();
	assert_equals(animations.length, 1,
	'getAnimations initally only returns Animations for CSS Animations whose'
	+ ' animation-name is found');

	await animations[0].ready;
	await waitForFrame();

	const keyframes = '@keyframes notyet { to { left: 100px; } }';
	document.styleSheets[0].insertRule(keyframes, 0);
	animations = div.getAnimations();
	assert_equals(animations.length, 2,
	'getAnimations includes Animation when @keyframes rule is added'
	+ ' later');
	await waitForAllAnimations(animations);

	assert_true(animations[0].startTime < animations[1].startTime,
	'Newly added animation has a later start time');
	document.styleSheets[0].deleteRule(0);
	}, 'getAnimations for CSS Animations where the @keyframes rule is added'
	+ ' later');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'anim1 100s, anim1 100s';
	assert_equals(div.getAnimations().length, 2,
	'getAnimations returns one Animation for each CSS animation-name'
	+ ' even if the names are duplicated');
	}, 'getAnimations for CSS Animations with duplicated animation-name');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'empty 100s';
	assert_equals(div.getAnimations().length, 1,
	'getAnimations returns Animations for CSS animations with an'
	+ ' empty keyframes rule');
	}, 'getAnimations for CSS Animations with empty keyframes rule');

	promise_test(async t => {
	const div = addDiv(t);
	div.style.animation = 'anim1 100s 100s';
	const animations = div.getAnimations();
	assert_equals(animations.length, 1,
	'getAnimations returns animations for CSS animations whose'
	+ ' delay makes them start later');
	await animations[0].ready;
	await waitForFrame();

	assert_true(animations[0].startTime <= document.timeline.currentTime,
	'For CSS Animations in delay phase, the start time of the Animation is'
	+ ' not in the future');
	}, 'getAnimations for CSS animations in delay phase');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'anim1 0s 100s';
	assert_equals(div.getAnimations().length, 1,
	'getAnimations returns animations for CSS animations whose'
	+ ' duration is zero');
	div.remove();
	}, 'getAnimations for zero-duration CSS Animations');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'anim1 100s';
	const originalAnimation = div.getAnimations()[0];

	// Update pause state (an Animation change)
	div.style.animationPlayState = 'paused';
	const pendingAnimation = div.getAnimations()[0];
	assert_equals(pendingAnimation.playState, 'paused',
	'animation\'s play state is updated');
	assert_equals(originalAnimation, pendingAnimation,
	'getAnimations returns the same objects even when their'
	+ ' play state changes');

	// Update duration (an Animation change)
	div.style.animationDuration = '200s';
	const extendedAnimation = div.getAnimations()[0];
	assert_equals(
	extendedAnimation.effect.getTiming().duration,
	200 * MS_PER_SEC,
	'animation\'s duration has been updated'
	);
	assert_equals(originalAnimation, extendedAnimation,
	'getAnimations returns the same objects even when their'
	+ ' duration changes');
	}, 'getAnimations returns objects with the same identity');

	test(t => {
	const div = addDiv(t);
	div.style.animation = 'anim1 100s';

	assert_equals(div.getAnimations().length, 1,
	'getAnimations returns an animation before canceling');

	const animation = div.getAnimations()[0];

	animation.cancel();
	assert_equals(div.getAnimations().length, 0,
	'getAnimations does not return canceled animations');

	animation.play();
	assert_equals(div.getAnimations().length, 1,
	'getAnimations returns canceled animations that have been re-started');

	}, 'getAnimations for CSS Animations that are canceled');

	promise_test(async t => {
	const div = addDiv(t);
	div.style.animation = 'anim2 100s';

	await div.getAnimations()[0].ready;

	// Prepend to the list and test that even though anim1 was triggered
	// after anim2, it should come first because it appears first
	// in the animation-name property.
	div.style.animation = 'anim1 100s, anim2 100s';
	let anims = div.getAnimations();
	assert_equals(anims[0].animationName, 'anim1',
	'animation order after prepending to list');
	assert_equals(anims[1].animationName, 'anim2',
	'animation order after prepending to list');

	// Normally calling cancel and play would this push anim1 to the top of
	// the stack but it shouldn't for CSS animations that map an the
	// animation-name property.
	const anim1 = anims[0];
	anim1.cancel();
	anim1.play();
	anims = div.getAnimations();
	assert_equals(anims[0].animationName, 'anim1',
	'animation order after canceling and restarting');
	assert_equals(anims[1].animationName, 'anim2',
	'animation order after canceling and restarting');
	}, 'getAnimations for CSS Animations follows animation-name order');

	test(t => {
	addStyle(t, { '#target::after': 'animation: anim1 10s;',
	'#target::before': 'animation: anim1 10s;' });
	const target = addDiv(t, { 'id': 'target' });
	target.style.animation = 'anim1 100s';

	const animations = target.getAnimations({ subtree: false });
	assert_equals(animations.length, 1,
	'Should find only the element');
	assert_equals(animations[0].effect.target, target,
	'Effect target should be the element');
	}, '{ subtree: false } on a leaf element returns the element\'s animations'
	+ ' and ignore pseudo-elements');

	test(t => {
	addStyle(t, { '#target::after': 'animation: anim1 10s;',
	'#target::before': 'animation: anim1 10s;' });
	const target = addDiv(t, { 'id': 'target' });
	target.style.animation = 'anim1 100s';

	const animations = target.getAnimations({ subtree: true });
	assert_equals(animations.length, 3,
	'getAnimations({ subtree: true }) ' +
	'should return animations on pseudo-elements');
	assert_equals(animations[0].effect.target, target,
	'The animation targeting the parent element ' +
	'should be returned first');
	assert_equals(animations[1].effect.target.type, '::before',
	'The animation targeting the ::before pseudo-element ' +
	'should be returned second');
	assert_equals(animations[2].effect.target.type, '::after',
	'The animation targeting the ::after pesudo-element ' +
	'should be returned last');
	}, '{ subtree: true } on a leaf element returns the element\'s animations'
	+ ' and its pseudo-elements\' animations');

	test(t => {
	addStyle(t, { '#parent::after': 'animation: anim1 10s;',
	'#parent::before': 'animation: anim1 10s;',
	'#child::after': 'animation: anim1 10s;',
	'#child::before': 'animation: anim1 10s;' });
	const parent = addDiv(t, { 'id': 'parent' });
	parent.style.animation = 'anim1 100s';
	const child = addDiv(t, { 'id': 'child' });
	child.style.animation = 'anim1 100s';
	parent.appendChild(child);

	const animations = parent.getAnimations({ subtree: false });
	assert_equals(animations.length, 1,
	'Should find only the element even if it has a child');
	assert_equals(animations[0].effect.target, parent,
	'Effect target shuld be the element');
	}, '{ subtree: false } on an element with a child returns only the element\'s'
	+ ' animations');

	test(t => {
	addStyle(t, { '#parent::after': 'animation: anim1 10s;',
	'#parent::before': 'animation: anim1 10s;',
	'#child::after': 'animation: anim1 10s;',
	'#child::before': 'animation: anim1 10s;' });
	const parent = addDiv(t, { 'id': 'parent' });
	const child = addDiv(t, { 'id': 'child' });
	parent.style.animation = 'anim1 100s';
	child.style.animation = 'anim1 100s';
	parent.appendChild(child);

	const animations = parent.getAnimations({ subtree: true });
	assert_equals(animations.length, 6,
	'Should find all elements, pesudo-elements that parent has');

	assert_equals(animations[0].effect.target, parent,
	'The animation targeting the parent element ' +
	'should be returned first');
	assert_equals(animations[1].effect.target.type, '::before',
	'The animation targeting the ::before pseudo-element ' +
	'should be returned second');
	assert_equals(animations[1].effect.target.element, parent,
	'This ::before element should be child of parent element');
	assert_equals(animations[2].effect.target.type, '::after',
	'The animation targeting the ::after pesudo-element ' +
	'should be returned third');
	assert_equals(animations[2].effect.target.element, parent,
	'This ::after element should be child of parent element');

	assert_equals(animations[3].effect.target, child,
	'The animation targeting the child element ' +
	'should be returned fourth');
	assert_equals(animations[4].effect.target.type, '::before',
	'The animation targeting the ::before pseudo-element ' +
	'should be returned fifth');
	assert_equals(animations[4].effect.target.element, child,
	'This ::before element should be child of child element');
	assert_equals(animations[5].effect.target.type, '::after',
	'The animation targeting the ::after pesudo-element ' +
	'should be returned last');
	assert_equals(animations[5].effect.target.element, child,
	'This ::after element should be child of child element');
	}, '{ subtree: true } on an element with a child returns animations from the'
	+ ' element, its pseudo-elements, its child and its child pseudo-elements');

	test(t => {
	const parent = addDiv(t, { 'id': 'parent' });
	const child1 = addDiv(t, { 'id': 'child1' });
	const grandchild1 = addDiv(t, { 'id': 'grandchild1' });
	const grandchild2 = addDiv(t, { 'id': 'grandchild2' });
	const child2 = addDiv(t, { 'id': 'child2' });

	parent.style.animation = 'anim1 100s';
	child1.style.animation = 'anim1 100s';
	grandchild1.style.animation = 'anim1 100s';
	grandchild2.style.animation = 'anim1 100s';
	child2.style.animation = 'anim1 100s';

	parent.appendChild(child1);
	child1.appendChild(grandchild1);
	child1.appendChild(grandchild2);
	parent.appendChild(child2);

	const animations = parent.getAnimations({ subtree: true });
	assert_equals(
	parent.getAnimations({ subtree: true }).length, 5,
	'Should find all descendants of the element');

	assert_equals(animations[0].effect.target, parent,
	'The animation targeting the parent element ' +
	'should be returned first');

	assert_equals(animations[1].effect.target, child1,
	'The animation targeting the child1 element ' +
	'should be returned second');

	assert_equals(animations[2].effect.target, grandchild1,
	'The animation targeting the grandchild1 element ' +
	'should be returned third');

	assert_equals(animations[3].effect.target, grandchild2,
	'The animation targeting the grandchild2 element ' +
	'should be returned fourth');

	assert_equals(animations[4].effect.target, child2,
	'The animation targeting the child2 element ' +
	'should be returned last');

	}, '{ subtree: true } on an element with many descendants returns animations'
	+ ' from all the descendants');

	</script>