LayoutTests/imported/mozilla/css-animations/test_animation-pausing.html - WebKit - Git at Google

 <!doctype html>
 <meta charset=utf-8>
 <script src="../../../resources/testharness.js"></script>
 <script src="../../../resources/testharnessreport.js"></script>
 <script src="../resources/testcommon.js"></script>
 <style>
 @keyframes anim {
   0% { margin-left: 0px }
   100% { margin-left: 10000px }
 }
 </style>
 <body>
 <div id="log"></div>
 <script>
 'use strict';

 function getMarginLeft(cs) {
   return parseFloat(cs.marginLeft);
 }

 promise_test(function(t) {
   var div = addDiv(t);
   var cs = getComputedStyle(div);
   div.style.animation = 'anim 1000s paused';
   var animation = div.getAnimations()[0];
   assert_equals(getMarginLeft(cs), 0,
                 'Initial value of margin-left is zero');
   animation.play();

   return animation.ready.then(waitForNextFrame).then(function() {
     assert_greater_than(getMarginLeft(cs), 0,
                         'Playing value of margin-left is greater than zero');
   });
 }, 'play() overrides animation-play-state');

 promise_test(function(t) {
   var div = addDiv(t);
   var cs = getComputedStyle(div);
   div.style.animation = 'anim 1000s paused';
   var animation = div.getAnimations()[0];
   assert_equals(getMarginLeft(cs), 0,
                 'Initial value of margin-left is zero');

   animation.pause();
   div.style.animationPlayState = 'running';

   return animation.ready.then(waitForNextFrame).then(function() {
     assert_equals(cs.animationPlayState, 'running',
                   'animation-play-state is running');
     assert_equals(getMarginLeft(cs), 0,
                   'Paused value of margin-left is zero');
   });
 }, 'pause() overrides animation-play-state');

 promise_test(function(t) {
   var div = addDiv(t);
   var cs = getComputedStyle(div);
   div.style.animation = 'anim 1000s paused';
   var animation = div.getAnimations()[0];
   assert_equals(getMarginLeft(cs), 0,
                 'Initial value of margin-left is zero');
   animation.play();
   var previousAnimVal;

   return animation.ready.then(function() {
     div.style.animationPlayState = 'running';
     cs.animationPlayState; // Trigger style resolution
     return waitForNextFrame();
   }).then(function() {
     assert_equals(cs.animationPlayState, 'running',
                   'animation-play-state is running');
     div.style.animationPlayState = 'paused';
     return animation.ready;
   }).then(function() {
     assert_equals(cs.animationPlayState, 'paused',
                   'animation-play-state is paused');
     previousAnimVal = getMarginLeft(cs);
     return waitForNextFrame();
   }).then(function() {
     assert_equals(getMarginLeft(cs), previousAnimVal,
                   'Animated value of margin-left does not change when'
                   + ' paused by style');
   });
 }, 'play() is overridden by later setting "animation-play-state: paused"');

 promise_test(function(t) {
   var div = addDiv(t);
   var cs = getComputedStyle(div);
   div.style.animation = 'anim 1000s';
   var animation = div.getAnimations()[0];
   assert_equals(getMarginLeft(cs), 0,
                 'Initial value of margin-left is zero');

   // Set the specified style first. If implementations fail to
   // apply the style changes first, they will ignore the redundant
   // call to play() and fail to correctly override the pause style.
   div.style.animationPlayState = 'paused';
   animation.play();
   var previousAnimVal = getMarginLeft(cs);

   return animation.ready.then(waitForNextFrame).then(function() {
     assert_equals(cs.animationPlayState, 'paused',
                   'animation-play-state is paused');
     assert_greater_than(getMarginLeft(cs), previousAnimVal,
                         'Playing value of margin-left is increasing');
   });
 }, 'play() flushes pending changes to animation-play-state first');

 promise_test(function(t) {
   var div = addDiv(t);
   var cs = getComputedStyle(div);
   div.style.animation = 'anim 1000s paused';
   var animation = div.getAnimations()[0];
   assert_equals(getMarginLeft(cs), 0,
                 'Initial value of margin-left is zero');

   // Unlike the previous test for play(), since calling pause() is sticky,
   // we'll apply it even if the underlying style also says we're paused.
   //
   // We would like to test that implementations flush styles before running
   // pause() but actually there's no style we can currently set that will
   // change the behavior of pause(). That may change in the future
   // (e.g. if we introduce animation-timeline or animation-playback-rate etc.).
   //
   // For now this just serves as a sanity check that we do the same thing
   // even if we set style before calling the API.
   div.style.animationPlayState = 'running';
   animation.pause();
   var previousAnimVal = getMarginLeft(cs);

   return animation.ready.then(waitForNextFrame).then(function() {
     assert_equals(cs.animationPlayState, 'running',
                   'animation-play-state is running');
     assert_equals(getMarginLeft(cs), previousAnimVal,
                   'Paused value of margin-left does not change');
   });
 }, 'pause() applies pending changes to animation-play-state first');
 // (Note that we can't actually test for this; see comment above, in test-body.)

 promise_test(function(t) {
   var div = addDiv(t, { style: 'animation: anim 1000s' });
   var animation = div.getAnimations()[0];
   var readyPromiseRun = false;

   return animation.ready.then(function() {
     div.style.animationPlayState = 'paused';
     assert_true(animation.pending && animation.playState === 'paused',
                 'Animation is pause-pending');

     // Set current time
     animation.currentTime = 5 * MS_PER_SEC;
     assert_equals(animation.playState, 'paused',
                   'Animation is paused immediately after setting currentTime');
     assert_equals(animation.startTime, null,
                   'Animation startTime is unresolved immediately after ' +
                   'setting currentTime');
     assert_equals(animation.currentTime, 5 * MS_PER_SEC,
                   'Animation currentTime does not change when forcing a ' +
                   'pause operation to complete');

     // The ready promise should now be resolved. If it's not then test will
     // probably time out before anything else happens that causes it to resolve.
     return animation.ready;
   });
 }, 'Setting the current time completes a pending pause');

 </script>
 </body>
	<!doctype html>
	<meta charset=utf-8>
	<script src="../../../resources/testharness.js"></script>
	<script src="../../../resources/testharnessreport.js"></script>
	<script src="../resources/testcommon.js"></script>
	<style>
	@keyframes anim {
	0% { margin-left: 0px }
	100% { margin-left: 10000px }
	}
	</style>
	<body>
	<div id="log"></div>
	<script>
	'use strict';

	function getMarginLeft(cs) {
	return parseFloat(cs.marginLeft);
	}

	promise_test(function(t) {
	var div = addDiv(t);
	var cs = getComputedStyle(div);
	div.style.animation = 'anim 1000s paused';
	var animation = div.getAnimations()[0];
	assert_equals(getMarginLeft(cs), 0,
	'Initial value of margin-left is zero');
	animation.play();

	return animation.ready.then(waitForNextFrame).then(function() {
	assert_greater_than(getMarginLeft(cs), 0,
	'Playing value of margin-left is greater than zero');
	});
	}, 'play() overrides animation-play-state');

	promise_test(function(t) {
	var div = addDiv(t);
	var cs = getComputedStyle(div);
	div.style.animation = 'anim 1000s paused';
	var animation = div.getAnimations()[0];
	assert_equals(getMarginLeft(cs), 0,
	'Initial value of margin-left is zero');

	animation.pause();
	div.style.animationPlayState = 'running';

	return animation.ready.then(waitForNextFrame).then(function() {
	assert_equals(cs.animationPlayState, 'running',
	'animation-play-state is running');
	assert_equals(getMarginLeft(cs), 0,
	'Paused value of margin-left is zero');
	});
	}, 'pause() overrides animation-play-state');

	promise_test(function(t) {
	var div = addDiv(t);
	var cs = getComputedStyle(div);
	div.style.animation = 'anim 1000s paused';
	var animation = div.getAnimations()[0];
	assert_equals(getMarginLeft(cs), 0,
	'Initial value of margin-left is zero');
	animation.play();
	var previousAnimVal;

	return animation.ready.then(function() {
	div.style.animationPlayState = 'running';
	cs.animationPlayState; // Trigger style resolution
	return waitForNextFrame();
	}).then(function() {
	assert_equals(cs.animationPlayState, 'running',
	'animation-play-state is running');
	div.style.animationPlayState = 'paused';
	return animation.ready;
	}).then(function() {
	assert_equals(cs.animationPlayState, 'paused',
	'animation-play-state is paused');
	previousAnimVal = getMarginLeft(cs);
	return waitForNextFrame();
	}).then(function() {
	assert_equals(getMarginLeft(cs), previousAnimVal,
	'Animated value of margin-left does not change when'
	+ ' paused by style');
	});
	}, 'play() is overridden by later setting "animation-play-state: paused"');

	promise_test(function(t) {
	var div = addDiv(t);
	var cs = getComputedStyle(div);
	div.style.animation = 'anim 1000s';
	var animation = div.getAnimations()[0];
	assert_equals(getMarginLeft(cs), 0,
	'Initial value of margin-left is zero');

	// Set the specified style first. If implementations fail to
	// apply the style changes first, they will ignore the redundant
	// call to play() and fail to correctly override the pause style.
	div.style.animationPlayState = 'paused';
	animation.play();
	var previousAnimVal = getMarginLeft(cs);

	return animation.ready.then(waitForNextFrame).then(function() {
	assert_equals(cs.animationPlayState, 'paused',
	'animation-play-state is paused');
	assert_greater_than(getMarginLeft(cs), previousAnimVal,
	'Playing value of margin-left is increasing');
	});
	}, 'play() flushes pending changes to animation-play-state first');

	promise_test(function(t) {
	var div = addDiv(t);
	var cs = getComputedStyle(div);
	div.style.animation = 'anim 1000s paused';
	var animation = div.getAnimations()[0];
	assert_equals(getMarginLeft(cs), 0,
	'Initial value of margin-left is zero');

	// Unlike the previous test for play(), since calling pause() is sticky,
	// we'll apply it even if the underlying style also says we're paused.
	//
	// We would like to test that implementations flush styles before running
	// pause() but actually there's no style we can currently set that will
	// change the behavior of pause(). That may change in the future
	// (e.g. if we introduce animation-timeline or animation-playback-rate etc.).
	//
	// For now this just serves as a sanity check that we do the same thing
	// even if we set style before calling the API.
	div.style.animationPlayState = 'running';
	animation.pause();
	var previousAnimVal = getMarginLeft(cs);

	return animation.ready.then(waitForNextFrame).then(function() {
	assert_equals(cs.animationPlayState, 'running',
	'animation-play-state is running');
	assert_equals(getMarginLeft(cs), previousAnimVal,
	'Paused value of margin-left does not change');
	});
	}, 'pause() applies pending changes to animation-play-state first');
	// (Note that we can't actually test for this; see comment above, in test-body.)

	promise_test(function(t) {
	var div = addDiv(t, { style: 'animation: anim 1000s' });
	var animation = div.getAnimations()[0];
	var readyPromiseRun = false;

	return animation.ready.then(function() {
	div.style.animationPlayState = 'paused';
	assert_true(animation.pending && animation.playState === 'paused',
	'Animation is pause-pending');

	// Set current time
	animation.currentTime = 5 * MS_PER_SEC;
	assert_equals(animation.playState, 'paused',
	'Animation is paused immediately after setting currentTime');
	assert_equals(animation.startTime, null,
	'Animation startTime is unresolved immediately after ' +
	'setting currentTime');
	assert_equals(animation.currentTime, 5 * MS_PER_SEC,
	'Animation currentTime does not change when forcing a ' +
	'pause operation to complete');

	// The ready promise should now be resolved. If it's not then test will
	// probably time out before anything else happens that causes it to resolve.
	return animation.ready;
	});
	}, 'Setting the current time completes a pending pause');

	</script>
	</body>