Update web-platform-tests to revision 6aef6676d2f95c29de17666cc70d61b517939fbf

This commit is contained in:
WPT Sync Bot 2018-08-18 21:26:51 -04:00
parent cd0e7e7ebb
commit 3ebfea9f10
250 changed files with 2846 additions and 702 deletions

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<!doctype html>
<meta charset=utf-8>
<title>AnimationEffect.getComputedTiming() for CSS transitions</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<style>
.animated-div {
margin-left: 100px;
}
</style>
<div id="log"></div>
<script>
'use strict';
// --------------------
// delay
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().delay, 0, 'Initial value of delay');
}, 'delay of a new tranisition');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().delay, 10000,
'Initial value of delay');
}, 'Positive delay of a new transition');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s -5s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().delay, -5000,
'Initial value of delay');
}, 'Negative delay of a new transition');
// --------------------
// endDelay
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().endDelay, 0,
'Initial value of endDelay');
}, 'endDelay of a new transition');
// --------------------
// fill
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().fill, 'backwards', 'Fill backwards');
}, 'fill of a new transition');
// --------------------
// iterationStart
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().iterationStart, 0,
'Initial value of iterationStart');
}, 'iterationStart of a new transition');
// --------------------
// iterations
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().iterations, 1,
'Initial value of iterations');
}, 'iterations of a new transition');
// --------------------
// duration
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().duration, 10000,
'Initial value of duration');
}, 'duration of a new transition');
// --------------------
// direction
// --------------------
test(t => {
const div = addDiv(t, { class : 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().direction, 'normal',
'Initial value of direction');
}, 'direction of a new transition');
// --------------------
// easing
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().easing, 'linear',
'Initial value of easing');
}, 'easing of a new transition');
// ------------------------------
// endTime
// = max(start delay + active duration + end delay, 0)
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 100s -5s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
const answer = 100000 - 5000; // ms
assert_equals(effect.getComputedTiming().endTime, answer,
'Initial value of endTime');
}, 'endTime of a new transition');
// --------------------
// activeDuration
// = iteration duration * iteration count(==1)
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 100s -5s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().activeDuration, 100000,
'Initial value of activeDuration');
}, 'activeDuration of a new transition');
// --------------------
// localTime
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 100s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().localTime, 0,
'Initial value of localTime');
}, 'localTime of a new transition');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 100s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const anim = div.getAnimations()[0];
anim.currentTime = 5000;
assert_equals(anim.effect.getComputedTiming().localTime, anim.currentTime,
'current localTime after setting currentTime');
}, 'localTime is always equal to currentTime');
promise_test(async t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 100s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const anim = div.getAnimations()[0];
anim.playbackRate = 2; // 2 times faster
await anim.ready;
assert_equals(anim.effect.getComputedTiming().localTime, anim.currentTime,
'localTime is equal to currentTime');
await waitForFrame();
assert_equals(anim.effect.getComputedTiming().localTime, anim.currentTime,
'localTime is equal to currentTime');
}, 'localTime reflects playbackRate immediately');
// --------------------
// progress
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10.5s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().progress, 0.0,
'Initial value of progress');
}, 'progress of a new transition');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10.5s 2s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().progress, 0.0,
'Initial value of progress');
}, 'progress of a new transition with positive delay in before phase');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10.5s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const anim = div.getAnimations()[0];
anim.finish();
assert_equals(anim.effect.getComputedTiming().progress, null,
'finished progress');
}, 'progress of a finished transition');
// --------------------
// currentIteration
// --------------------
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().currentIteration, 0,
'Initial value of currentIteration');
}, 'currentIteration of a new transition');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s 2s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const effect = div.getAnimations()[0].effect;
assert_equals(effect.getComputedTiming().currentIteration, 0,
'Initial value of currentIteration');
}, 'currentIteration of a new transition with positive delay in before phase');
test(t => {
const div = addDiv(t, { class: 'animated-div' });
div.style.transition = 'margin-left 10s';
getComputedStyle(div).marginLeft;
div.style.marginLeft = '10px';
const anim = div.getAnimations()[0];
anim.finish();
assert_equals(anim.effect.getComputedTiming().currentIteration, null,
'finished currentIteration');
}, 'currentIteration of a finished transition');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSPseudoElement.getAnimations() for CSS transitions</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#animation-composite-order">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<style>
.init::before {
content: '';
height: 0px;
width: 0px;
opacity: 0;
transition: all 100s;
}
.change::before {
height: 100px;
width: 100px;
opacity: 1;
}
</style>
<div id="log"></div>
<script>
'use strict';
test(t => {
const div = addDiv(t, { class: 'init' });
getComputedStyle(div).width;
div.classList.add('change');
// Sanity checks
assert_equals(document.getAnimations().length, 3,
'Got expected number of animations on document');
const pseudoTarget = document.getAnimations()[0].effect.target;
assert_class_string(pseudoTarget, 'CSSPseudoElement',
'Got pseudo-element target');
// Check animations returned from the pseudo element are in correct order
const anims = pseudoTarget.getAnimations();
assert_equals(anims.length, 3,
'Got expected number of animations on pseudo-element');
assert_equals(anims[0].transitionProperty, 'height');
assert_equals(anims[1].transitionProperty, 'opacity');
assert_equals(anims[2].transitionProperty, 'width');
}, 'getAnimations sorts simultaneous transitions by name');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>Canceling a CSS transition</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions/#starting">
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
await waitForFrame();
assert_not_equals(getComputedStyle(div).marginLeft, '1000px',
'transform style is animated before canceling');
transition.cancel();
assert_equals(getComputedStyle(div).marginLeft, div.style.marginLeft,
'transform style is no longer animated after canceling');
}, 'Animated style is cleared after canceling a running CSS transition');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
transition.cancel();
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is not animated after canceling');
transition.play();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is animated after re-starting transition');
await transition.ready;
assert_equals(transition.playState, 'running',
'Transition succeeds in running after being re-started');
}, 'After canceling a transition, it can still be re-used');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
transition.finish();
transition.cancel();
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is not animated after canceling');
transition.play();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is animated after re-starting transition');
await transition.ready;
assert_equals(transition.playState, 'running',
'Transition succeeds in running after being re-started');
}, 'After canceling a finished transition, it can still be re-used');
test(t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
transition.cancel();
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is not animated after canceling');
// Trigger a change to a transition property and check that this
// doesn't cause the animation to become live again
div.style.transitionDuration = '200s';
getComputedStyle(div).marginLeft;
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is still not animated after updating'
+ ' transition-duration');
assert_equals(transition.playState, 'idle',
'Transition is still idle after updating transition-duration');
}, 'After canceling a transition, updating transition properties doesn\'t make'
+ ' it live again');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
div.style.display = 'none';
await waitForFrame();
assert_equals(transition.playState, 'idle');
assert_equals(getComputedStyle(div).marginLeft, '1000px');
}, 'Setting display:none on an element cancels its transitions');
promise_test(async t => {
const parentDiv = addDiv(t);
const childDiv = document.createElement('div');
parentDiv.appendChild(childDiv);
childDiv.setAttribute('style', 'margin-left: 0px');
getComputedStyle(childDiv).marginLeft;
childDiv.style.transition = 'margin-left 100s';
childDiv.style.marginLeft = '1000px';
const transition = childDiv.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
parentDiv.style.display = 'none';
await waitForFrame();
assert_equals(transition.playState, 'idle');
assert_equals(getComputedStyle(childDiv).marginLeft, '1000px');
}, 'Setting display:none cancels transitions on a child element');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
// Set an unrecognized property value
div.style.transitionProperty = 'none';
getComputedStyle(div).marginLeft;
await waitForFrame();
assert_equals(transition.playState, 'idle');
assert_equals(getComputedStyle(div).marginLeft, '1000px');
}, 'Removing a property from transition-property cancels transitions on that '+
'property');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
div.style.transition = 'margin-left 10s -10s'; // combined duration is zero
// Note that simply setting the combined duration to zero is not enough to
// cancel the transition. We must also update the end value so that the,
// "the end value of the running transition is not equal to the value of the
// property in the after-change style" condition is true.
//
// (And note that the zero combined duration is not strictly necessary to
// cancel the original transition--but it does ensure another transition is
// not generated in its place.)
div.style.marginLeft = '2000px';
getComputedStyle(div).marginLeft;
await waitForFrame();
assert_equals(transition.playState, 'idle');
assert_equals(getComputedStyle(div).marginLeft, '2000px');
}, 'Setting zero combined duration');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
div.style.marginLeft = '2000px';
getComputedStyle(div).marginLeft;
await waitForFrame();
assert_equals(transition.playState, 'idle');
}, 'Changing style to another interpolable value cancels the original ' +
'transition');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
div.style.marginLeft = 'auto';
getComputedStyle(div).marginLeft;
await waitForFrame();
assert_equals(div.getAnimations().length, 0,
'There should be no transitions');
assert_equals(transition.playState, 'idle');
}, 'An after-change style value can\'t be interpolated');
promise_test(async t => {
const div = addDiv(t, { style: 'margin-left: 0px' });
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
const transition = div.getAnimations()[0];
await transition.ready;
assert_equals(transition.playState, 'running');
div.style.marginLeft = '0px';
getComputedStyle(div).marginLeft;
await waitForFrame();
assert_equals(transition.playState, 'idle');
}, 'Reversing a running transition cancels the original transition');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.currentTime</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
const marginLeft = div => parseFloat(getComputedStyle(div).marginLeft);
promise_test(async t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
assert_equals(
animation.currentTime,
0,
'currentTime should initially be zero'
);
await animation.ready;
const seekTime = 150 * MS_PER_SEC;
animation.currentTime = seekTime;
assert_time_equals_literal(
animation.currentTime,
seekTime,
'currentTime is updated'
);
assert_equals(getComputedStyle(div).marginLeft, '150px');
}, 'currentTime can be used to seek a CSS transition');
promise_test(async t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
const eventWatcher = new EventWatcher(t, div, 'transitionend');
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
await animation.ready;
const marginLeft = () => parseFloat(getComputedStyle(div).marginLeft);
assert_equals(marginLeft(div), 100);
animation.currentTime = 100 * MS_PER_SEC;
assert_equals(marginLeft(div), 100);
animation.currentTime = 150 * MS_PER_SEC;
assert_equals(marginLeft(div), 150);
animation.currentTime = 200 * MS_PER_SEC;
await eventWatcher.wait_for('transitionend');
assert_equals(marginLeft(div), 200);
}, 'Skipping forwards through transition');
promise_test(async t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
const eventWatcher = new EventWatcher(t, div, 'transitionend');
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
await animation.ready;
// Unlike in the case of CSS animations, we cannot skip to the end and skip
// backwards since when we reach the end the transition effect is removed and
// changes to the Animation object no longer affect the element. For
// this reason we only skip forwards as far as the 50% through point.
animation.currentTime = 150 * MS_PER_SEC;
assert_equals(marginLeft(div), 150);
animation.currentTime = 100 * MS_PER_SEC;
assert_equals(marginLeft(div), 100);
}, 'Skipping backwards through transition');
promise_test(async t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
await animation.ready;
assert_throws(
new TypeError(),
() => {
animation.currentTime = null;
},
'Expect TypeError exception on trying to set Animation.currentTime to null'
);
}, 'Setting currentTime to null on a CSS transition throws');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.effect</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src='support/helper.js'></script>
<div id="log"></div>
<script>
'use strict';
test(t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.transition = 'left 100s';
getComputedStyle(div).left;
div.style.left = '100px';
const transition = div.getAnimations()[0];
transition.effect = null;
assert_equals(transition.transitionProperty, 'left');
}, 'After setting a transition\'s effect to null, it still reports the'
+ ' original transition property');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.transition = 'left 100s';
getComputedStyle(div).left;
div.style.left = '100px';
const transition = div.getAnimations()[0];
await transition.ready;
transition.effect = null;
assert_equals(transition.playState, 'finished');
}, 'After setting a transition\'s effect to null, it becomes finished');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.transition = 'left 100s';
getComputedStyle(div).left;
div.style.left = '100px';
const transition = div.getAnimations()[0];
await transition.ready;
transition.effect = null;
assert_equals(getComputedStyle(div).left, '100px');
}, 'After setting a transition\'s effect to null, style is updated');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.width = '0px';
div.style.transition = 'left 100s';
getComputedStyle(div).left;
div.style.left = '100px';
const transition = div.getAnimations()[0];
await transition.ready;
transition.currentTime = 50 * MS_PER_SEC;
transition.effect = new KeyframeEffect(div,
{ left: [ '0px' , '100px'] },
20 * MS_PER_SEC);
assert_equals(transition.playState, 'finished');
}, 'After setting a new keyframe effect with a shorter duration,'
+ ' the transition becomes finished');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.width = '0px';
div.style.transition = 'left 100s';
getComputedStyle(div).left;
div.style.left = '100px';
const transition = div.getAnimations()[0];
transition.effect = new KeyframeEffect(div,
{ marginLeft: [ '0px' , '100px'] },
100 * MS_PER_SEC);
assert_equals(transition.transitionProperty, 'left');
}, 'After setting a new keyframe effect targeting different properties,'
+ ' the transition continues to report the original transition property');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.width = '0px';
div.style.transition = 'left 100s';
getComputedStyle(div).left;
div.style.left = '100px';
const transition = div.getAnimations()[0];
assert_true(transition.pending);
transition.effect = new KeyframeEffect(div,
{ marginLeft: [ '0px' , '100px'] },
100 * MS_PER_SEC);
assert_equals(transition.transitionProperty, 'left');
assert_true(transition.pending);
// As a sanity check, check that the transition actually exits the
// pending state.
await transition.ready;
assert_false(transition.pending);
}, 'After setting a new keyframe effect on a play-pending transition,'
+ ' the transition remains pending');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.finished</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<style>
.animated-div {
margin-left: 100px;
transition: margin-left 100s linear 100s;
}
</style>
<div id="log"></div>
<script>
'use strict';
promise_test(async t => {
const div = addDiv(t, { class: 'animated-div' });
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
animation.finish();
await animation.finished;
animation.play();
const marginLeft = parseFloat(getComputedStyle(div).marginLeft);
assert_equals(
marginLeft,
100,
'Replaying a finished transition should update the target element\'s style'
);
}, 'Restarting a finished transition rewinds playback');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.ready</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
promise_test(async t => {
const div = addDiv(t);
// Set up pending transition
div.style.transform = 'translate(0px)';
getComputedStyle(div).transform;
div.style.transition = 'transform 100s';
div.style.transform = 'translate(10px)';
getComputedStyle(div).transform;
const animation = div.getAnimations()[0];
assert_true(animation.pending, 'Animation is initially pending');
const readyPromise = animation.ready;
// Now remove transform from transition-property and flush styles
div.style.transitionProperty = 'none';
getComputedStyle(div).transitionProperty;
try {
await readyPromise;
assert_unreached('ready promise was fulfilled');
} catch (err) {
assert_equals(err.name, 'AbortError',
'ready promise is rejected with AbortError');
assert_equals(animation.playState, 'idle',
'Animation is idle after transition was canceled');
}
}, 'ready promise is rejected when a transition is canceled by updating'
+ ' transition-property');
promise_test(async t => {
const div = addDiv(t);
// Set up pending transition
div.style.marginLeft = '0px';
getComputedStyle(div).marginLeft;
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '100px';
getComputedStyle(div).marginLeft;
const animation = div.getAnimations()[0];
assert_true(animation.pending, 'Animation is initially pending');
const readyPromise = animation.ready;
// Update the transition to animate to something not-interpolable
div.style.marginLeft = 'auto';
getComputedStyle(div).marginLeft;
try {
await readyPromise;
assert_unreached('ready promise was fulfilled');
} catch (err) {
assert_equals(err.name, 'AbortError',
'ready promise is rejected with AbortError');
assert_equals(animation.playState, 'idle',
'Animation is idle after transition was canceled');
}
}, 'ready promise is rejected when a transition is canceled by changing'
+ ' the transition property to something not interpolable');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.startTime</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
test(t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
assert_equals(animation.startTime, null, 'startTime is unresolved');
}, 'The start time of a newly-created transition is unresolved');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.top = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'all 100s';
div.style.left = '100px';
div.style.top = '100px';
let animations = div.getAnimations();
assert_equals(animations.length, 2);
await waitForAllAnimations(animations);
assert_equals(animations[0].startTime, animations[1].startTime,
'CSS transitions started together have the same start time');
await waitForFrame();
div.style.backgroundColor = 'green';
animations = div.getAnimations();
assert_equals(animations.length, 3);
await waitForAllAnimations(animations);
assert_less_than(animations[1].startTime, animations[2].startTime,
'A CSS transition added in a later frame has a later start time');
}, 'The start time of transitions is based on when they are generated');
test(t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
const timelineTime = animation.timeline.currentTime;
animation.startTime = timelineTime;
assert_times_equal(
animation.startTime,
timelineTime,
'Check setting of startTime actually works'
);
}, 'The start time of a transition can be set');
promise_test(async t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
await animation.ready;
const timelineTime = animation.timeline.currentTime;
const marginLeft = () => parseFloat(getComputedStyle(div).marginLeft);
animation.startTime = timelineTime - 100 * MS_PER_SEC;
assert_equals(marginLeft(), 100);
animation.startTime = timelineTime - 150 * MS_PER_SEC;
assert_equals(marginLeft(), 150);
}, 'The start time can be set to seek a transition');
promise_test(async t => {
const div = addDiv(t, {
style: 'margin-left: 100px; transition: margin-left 100s linear 100s',
});
const eventWatcher = new EventWatcher(t, div, [
'transitionstart',
'transitionend',
]);
getComputedStyle(div).marginLeft;
div.style.marginLeft = '200px';
const animation = div.getAnimations()[0];
await animation.ready;
const timelineTime = animation.timeline.currentTime;
animation.startTime = timelineTime - 100 * MS_PER_SEC;
await eventWatcher.wait_for('transitionstart');
animation.startTime = timelineTime - 200 * MS_PER_SEC;
await eventWatcher.wait_for('transitionend');
}, 'Seeking a transition using start time dispatches transition events');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.transitionProperty</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#dom-csstransition-transitionproperty">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
test(t => {
const div = addDiv(t);
div.style.left = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'all 100s';
div.style.left = '100px';
assert_equals(
div.getAnimations()[0].transitionProperty,
'left',
'The transitionProperty for the returned transition corresponds to the'
+ ' specific property being transitioned'
);
}, 'CSSTransition.transitionProperty');
</script>

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

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<!doctype html>
<meta charset=utf-8>
<title>Element.getAnimations() for CSS transitions</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#animation-composite-order">
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
div.style.top = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'all 100s';
div.style.left = '100px';
div.style.top = '100px';
assert_equals(div.getAnimations().length, 2);
}, 'getAnimations returns one Animation per transitioning property');
test(t => {
const div = addDiv(t, { style: 'left: 0px; transition: all 100s' });
getComputedStyle(div).left;
div.style.left = '100px';
assert_class_string(div.getAnimations()[0], 'CSSTransition',
'Interface of returned animation is CSSTransition');
}, 'getAnimations returns CSSTransition objects for CSS Transitions');
promise_test(async t => {
const div = addDiv(t);
div.style.left = '0px';
getComputedStyle(div).left;
div.style.transition = 'all 0.01s';
div.style.left = '100px';
const animation = div.getAnimations()[0];
await animation.finished;
assert_equals(div.getAnimations().length, 0);
}, 'getAnimations does not return finished CSS Transitions');
test(t => {
const div = addDiv(t);
// animation-duration is not animatable
div.style.animationDuration = '10s';
getComputedStyle(div).animationDuration;
div.style.transition = 'all 100s';
div.style.animationDuration = '100s';
assert_equals(div.getAnimations().length, 0);
}, 'getAnimations does not return a transition for a non-animatable property');
test(t => {
const div = addDiv(t);
div.style.setProperty('-vendor-unsupported', '0px', '');
getComputedStyle(div).transitionProperty;
div.style.transition = 'all 100s';
div.style.setProperty('-vendor-unsupported', '100px', '');
assert_equals(div.getAnimations().length, 0);
}, 'getAnimations does not return a transition for an unsupposed property');
test(t => {
const div = addDiv(t, { style: 'transform: translate(0px); ' +
'opacity: 0; ' +
'border-width: 0px; ' + // Shorthand
'border-style: solid' });
getComputedStyle(div).transform;
div.style.transition = 'all 100s';
div.style.transform = 'translate(100px)';
div.style.opacity = '1';
div.style.borderWidth = '1px';
const animations = div.getAnimations();
assert_equals(animations.length, 6,
'Generated expected number of transitions');
assert_equals(animations[0].transitionProperty, 'border-bottom-width');
assert_equals(animations[1].transitionProperty, 'border-left-width');
assert_equals(animations[2].transitionProperty, 'border-right-width');
assert_equals(animations[3].transitionProperty, 'border-top-width');
assert_equals(animations[4].transitionProperty, 'opacity');
assert_equals(animations[5].transitionProperty, 'transform');
}, 'getAnimations sorts simultaneous transitions by name');
test(t => {
const div = addDiv(t, { style: 'transform: translate(0px); ' +
'opacity: 0' });
getComputedStyle(div).transform;
div.style.transition = 'all 100s';
div.style.transform = 'translate(100px)';
assert_equals(div.getAnimations().length, 1,
'Initially there is only one (transform) transition');
div.style.opacity = '1';
assert_equals(div.getAnimations().length, 2,
'Then a second (opacity) transition is added');
const animations = div.getAnimations();
assert_equals(animations[0].transitionProperty, 'transform');
assert_equals(animations[1].transitionProperty, 'opacity');
}, 'getAnimations sorts transitions by when they were generated');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>KeyframeEffect.getKeyframes() for CSS transitions</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<style>
:root {
--var-100px: 100px;
}
</style>
<div id="log"></div>
<script>
'use strict';
const getKeyframes = e => {
return e.getAnimations()[0].effect.getKeyframes();
};
const assert_frames_equal = (a, b, name) => {
assert_equals(
Object.keys(a).sort().toString(),
Object.keys(b).sort().toString(),
`properties on ${name}`
);
for (const p in a) {
assert_equals(a[p], b[p], `value for '${p}' on ${name}`);
}
};
test(t => {
const div = addDiv(t);
div.style.left = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'left 100s';
div.style.left = '100px';
const frames = getKeyframes(div);
assert_equals(frames.length, 2, 'number of frames');
const expected = [
{ offset: 0,
computedOffset: 0,
easing: 'ease',
composite: 'auto',
left: '0px',
},
{
offset: 1,
computedOffset: 1,
easing: 'linear',
composite: 'auto',
left: '100px',
},
];
for (let i = 0; i < frames.length; i++) {
assert_frames_equal(frames[i], expected[i], `ComputedKeyframe #${i}`);
}
}, 'KeyframeEffect.getKeyframes() returns expected frames for a simple'
+ ' transition');
test(t => {
const div = addDiv(t);
div.style.left = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'left 100s steps(2,end)';
div.style.left = '100px';
const frames = getKeyframes(div);
assert_equals(frames.length, 2, 'number of frames');
const expected = [
{
offset: 0,
computedOffset: 0,
easing: 'steps(2)',
composite: 'auto',
left: '0px',
},
{
offset: 1,
computedOffset: 1,
easing: 'linear',
composite: 'auto',
left: '100px',
},
];
for (let i = 0; i < frames.length; i++) {
assert_frames_equal(frames[i], expected[i], `ComputedKeyframe #${i}`);
}
}, 'KeyframeEffect.getKeyframes() returns expected frames for a simple'
+ ' transition with a non-default easing function');
test(t => {
const div = addDiv(t);
div.style.left = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'left 100s';
div.style.left = 'var(--var-100px)';
const frames = getKeyframes(div);
// CSS transition endpoints are based on the computed value so we
// shouldn't see the variable reference
const expected = [
{
offset: 0,
computedOffset: 0,
easing: 'ease',
composite: 'auto',
left: '0px',
},
{
offset: 1,
computedOffset: 1,
easing: 'linear',
composite: 'auto',
left: '100px',
},
];
for (let i = 0; i < frames.length; i++) {
assert_frames_equal(frames[i], expected[i], `ComputedKeyframe #${i}`);
}
}, 'KeyframeEffect.getKeyframes() returns expected frames for a'
+ ' transition with a CSS variable endpoint');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSSTransition.effect.target</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
test(t => {
const div = addDiv(t);
div.style.left = '0px';
getComputedStyle(div).transitionProperty;
div.style.transition = 'left 100s';
div.style.left = '100px';
const animation = div.getAnimations()[0];
assert_equals(animation.effect.target, div,
'Animation.target is the animatable div');
}, 'Returned CSS transitions have the correct Animation.target');
test(t => {
addStyle(t, { '.init::after': 'content: ""; width: 0px; height: 0px; ' +
'transition: all 10s;',
'.change::after': 'width: 100px; height: 100px;' });
const div = addDiv(t, { class: 'init' });
getComputedStyle(div).width;
div.classList.add('change');
const anims = document.getAnimations();
assert_equals(anims.length, 2,
'Got transitions running on ::after pseudo element');
assert_equals(anims[0].effect.target, anims[1].effect.target,
'Both transitions return the same target object');
}, 'effect.target should return the same CSSPseudoElement object each time');
test(t => {
addStyle(t, { '.init::after': 'content: ""; width: 0px; transition: all 10s;',
'.change::after': 'width: 100px;' });
const div = addDiv(t, { class: 'init' });
getComputedStyle(div).width;
div.classList.add('change');
const pseudoTarget = document.getAnimations()[0].effect.target;
const effect = new KeyframeEffect(pseudoTarget,
{ background: ["blue", "red"] },
3000);
const newAnim = new Animation(effect, document.timeline);
newAnim.play();
const anims = document.getAnimations();
assert_equals(anims.length, 2,
'Got animations running on ::after pseudo element');
assert_not_equals(anims[0], newAnim,
'The scriped-generated animation appears last');
assert_equals(newAnim.effect.target, pseudoTarget,
'The effect.target of the scripted-generated animation is ' +
'the same as the one from the argument of ' +
'KeyframeEffect constructor');
assert_equals(anims[0].effect.target, newAnim.effect.target,
'Both the transition and the scripted-generated animation ' +
'return the same target object');
}, 'effect.target from the script-generated animation should return the same ' +
'CSSPseudoElement object as that from the CSS generated transition');
</script>

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<!doctype html>
<meta charset=utf-8>
<title>CSS transition event dispatch</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#event-dispatch">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.js"></script>
<div id="log"></div>
<script>
'use strict';
const setupTransition = (t, transitionStyle) => {
const div = addDiv(t, { style: 'transition: ' + transitionStyle });
const watcher = new EventWatcher(t, div, [ 'transitionrun',
'transitionstart',
'transitionend',
'transitioncancel' ]);
getComputedStyle(div).marginLeft;
div.style.marginLeft = '100px';
const transition = div.getAnimations()[0];
return { transition, watcher, div };
};
// On the next frame (i.e. when events are queued), whether or not the
// transition is still pending depends on the implementation.
promise_test(async t => {
const { transition, watcher } =
setupTransition(t, 'margin-left 100s 100s');
const evt = await watcher.wait_for('transitionrun');
assert_equals(evt.elapsedTime, 0.0);
}, 'Idle -> Pending or Before');
promise_test(async t => {
const { transition, watcher } =
setupTransition(t, 'margin-left 100s 100s');
// Force the transition to leave the idle phase
transition.startTime = document.timeline.currentTime;
const evt = await watcher.wait_for('transitionrun');
assert_equals(evt.elapsedTime, 0.0);
}, 'Idle -> Before');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to Active phase.
transition.currentTime = 100 * MS_PER_SEC;
transition.pause();
const events = await watcher.wait_for(['transitionrun', 'transitionstart'], {
record: 'all',
});
assert_equals(events[0].elapsedTime, 0.0);
assert_equals(events[1].elapsedTime, 0.0);
}, 'Idle or Pending -> Active');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to After phase.
transition.finish();
const events = await watcher.wait_for(
['transitionrun', 'transitionstart', 'transitionend'],
{
record: 'all',
}
);
assert_equals(events[0].elapsedTime, 0.0);
assert_equals(events[1].elapsedTime, 0.0);
assert_equals(events[2].elapsedTime, 100.0);
}, 'Idle or Pending -> After');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s 100s');
await Promise.all([ watcher.wait_for('transitionrun'), transition.ready ]);
// Make idle
div.style.display = 'none';
getComputedStyle(div).marginLeft;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Before -> Idle (display: none)');
promise_test(async t => {
const { transition, watcher } =
setupTransition(t, 'margin-left 100s 100s');
await Promise.all([ watcher.wait_for('transitionrun'), transition.ready ]);
// Make idle
transition.timeline = null;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Before -> Idle (Animation.timeline = null)');
promise_test(async t => {
const { transition, watcher } =
setupTransition(t, 'margin-left 100s 100s');
await Promise.all([ watcher.wait_for('transitionrun'), transition.ready ]);
transition.currentTime = 100 * MS_PER_SEC;
const evt = await watcher.wait_for('transitionstart');
assert_equals(evt.elapsedTime, 0.0);
}, 'Before -> Active');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
await Promise.all([ watcher.wait_for('transitionrun'), transition.ready ]);
// Seek to After phase.
transition.currentTime = 200 * MS_PER_SEC;
const events = await watcher.wait_for(['transitionstart', 'transitionend'], {
record: 'all',
});
assert_equals(events[0].elapsedTime, 0.0);
assert_equals(events[1].elapsedTime, 100.0);
}, 'Before -> After');
promise_test(async t => {
const { transition, watcher, div } = setupTransition(t, 'margin-left 100s');
// Seek to Active start position.
transition.pause();
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
div.style.display = 'none';
getComputedStyle(div).marginLeft;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Active -> Idle, no delay (display: none)');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s');
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
transition.currentTime = 0;
transition.timeline = null;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Active -> Idle, no delay (Animation.timeline = null)');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s 100s');
// Pause so the currentTime is fixed and we can accurately compare the event
// time in transition cancel events.
transition.pause();
// Seek to Active phase.
transition.currentTime = 100 * MS_PER_SEC;
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
div.style.display = 'none';
getComputedStyle(div).marginLeft;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Active -> Idle, with positive delay (display: none)');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to Active phase.
transition.currentTime = 100 * MS_PER_SEC;
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
transition.currentTime = 100 * MS_PER_SEC;
transition.timeline = null;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Active -> Idle, with positive delay (Animation.timeline = null)');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s -50s');
// Pause so the currentTime is fixed and we can accurately compare the event
// time in transition cancel events.
transition.pause();
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
div.style.display = 'none';
getComputedStyle(div).marginLeft;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 50.0);
}, 'Active -> Idle, with negative delay (display: none)');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s -50s');
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
transition.currentTime = 50 * MS_PER_SEC;
transition.timeline = null;
const evt = await watcher.wait_for('transitioncancel');
assert_equals(evt.elapsedTime, 0.0);
}, 'Active -> Idle, with negative delay (Animation.timeline = null)');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to Active phase.
transition.currentTime = 100 * MS_PER_SEC;
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Seek to Before phase.
transition.currentTime = 0;
const evt = await watcher.wait_for('transitionend');
assert_equals(evt.elapsedTime, 0.0);
}, 'Active -> Before');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to Active phase.
transition.currentTime = 100 * MS_PER_SEC;
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Seek to After phase.
transition.currentTime = 200 * MS_PER_SEC;
const evt = await watcher.wait_for('transitionend');
assert_equals(evt.elapsedTime, 100.0);
}, 'Active -> After');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to After phase.
transition.finish();
await watcher.wait_for([ 'transitionrun',
'transitionstart',
'transitionend' ]);
// Seek to Before phase.
transition.currentTime = 0;
const events = await watcher.wait_for(['transitionstart', 'transitionend'], {
record: 'all',
});
assert_equals(events[0].elapsedTime, 100.0);
assert_equals(events[1].elapsedTime, 0.0);
}, 'After -> Before');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s 100s');
// Seek to After phase.
transition.finish();
await watcher.wait_for([ 'transitionrun',
'transitionstart',
'transitionend' ]);
// Seek to Active phase.
transition.currentTime = 100 * MS_PER_SEC;
const evt = await watcher.wait_for('transitionstart');
assert_equals(evt.elapsedTime, 100.0);
}, 'After -> Active');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s -50s');
const events = await watcher.wait_for(['transitionrun', 'transitionstart'], {
record: 'all',
});
assert_equals(events[0].elapsedTime, 50.0);
assert_equals(events[1].elapsedTime, 50.0);
transition.finish();
const evt = await watcher.wait_for('transitionend');
assert_equals(evt.elapsedTime, 100.0);
}, 'Calculating the interval start and end time with negative start delay.');
promise_test(async t => {
const { transition, watcher, div } = setupTransition(
t,
'margin-left 100s 100s'
);
await watcher.wait_for('transitionrun');
// We can't set the end delay via generated effect timing
// because mutating CSS transitions is not specced yet.
transition.effect = new KeyframeEffect(
div,
{ marginleft: ['0px', '100px'] },
{
duration: 100 * MS_PER_SEC,
endDelay: -50 * MS_PER_SEC,
}
);
// Seek to Before and play.
transition.cancel();
transition.play();
const events = await watcher.wait_for(
['transitioncancel', 'transitionrun', 'transitionstart'],
{ record: 'all' }
);
assert_equals(events[2].elapsedTime, 0.0);
// Seek to After phase.
transition.finish();
const evt = await watcher.wait_for('transitionend');
assert_equals(evt.elapsedTime, 50.0);
}, 'Calculating the interval start and end time with negative end delay.');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s 100s');
await watcher.wait_for('transitionrun');
// Make idle
div.style.display = 'none';
getComputedStyle(div).marginLeft;
await watcher.wait_for('transitioncancel');
transition.cancel();
// Then wait a couple of frames and check that no event was dispatched
await waitForAnimationFrames(2);
}, 'Call Animation.cancel after canceling transition.');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s 100s');
await watcher.wait_for('transitionrun');
// Make idle
transition.cancel();
transition.play();
await watcher.wait_for([ 'transitioncancel',
'transitionrun' ]);
}, 'Restart transition after canceling transition immediately');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s 100s');
await watcher.wait_for('transitionrun');
// Make idle
div.style.display = 'none';
getComputedStyle(div).marginLeft;
transition.play();
transition.cancel();
await watcher.wait_for('transitioncancel');
// Then wait a couple of frames and check that no event was dispatched
await waitForAnimationFrames(2);
}, 'Call Animation.cancel after restarting transition immediately');
promise_test(async t => {
const { transition, watcher } = setupTransition(t, 'margin-left 100s');
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
// Make idle
transition.timeline = null;
await watcher.wait_for('transitioncancel');
transition.timeline = document.timeline;
transition.play();
await watcher.wait_for(['transitionrun', 'transitionstart']);
}, 'Set timeline and play transition after clear the timeline');
promise_test(async t => {
const { transition, watcher, div } =
setupTransition(t, 'margin-left 100s');
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
transition.cancel();
await watcher.wait_for('transitioncancel');
// Make After phase
transition.effect = null;
// Then wait a couple of frames and check that no event was dispatched
await waitForAnimationFrames(2);
}, 'Set null target effect after canceling the transition');
promise_test(async t => {
const { transition, watcher, div } = setupTransition(t, 'margin-left 100s');
await watcher.wait_for([ 'transitionrun', 'transitionstart' ]);
transition.effect = null;
await watcher.wait_for('transitionend');
transition.cancel();
// Then wait a couple of frames and check that no event was dispatched
await waitForAnimationFrames(2);
}, 'Cancel the transition after clearing the target effect');
</script>

View file

@ -94,6 +94,8 @@ root.domFixture = function(selector) {
}
};
root.MS_PER_SEC = 1000;
/*
* The recommended minimum precision to use for time values.
*
@ -108,7 +110,14 @@ const TIME_PRECISION = 0.0005; // ms
*/
root.assert_times_equal = function(actual, expected, description) {
assert_approx_equals(actual, expected, TIME_PRECISION, description);
}
};
/*
* Compare a time value based on its precision requirements with a fixed value.
*/
root.assert_time_equals_literal = (actual, expected, description) => {
assert_approx_equals(actual, expected, TIME_PRECISION, description);
};
/**
* Assert that CSSTransition event, |evt|, has the expected property values
@ -119,7 +128,7 @@ root.assert_end_events_equal = function(evt, propertyName, elapsedTime,
assert_equals(evt.propertyName, propertyName);
assert_times_equal(evt.elapsedTime, elapsedTime);
assert_equals(evt.pseudoElement, pseudoElement);
}
};
/**
* Assert that array of simultaneous CSSTransition events, |evts|, have the
@ -194,6 +203,76 @@ root.addDiv = function(t, attrs) {
});
}
return div;
}
};
/**
* Appends a style div to the document head.
*
* @param t The testharness.js Test object. If provided, this will be used
* to register a cleanup callback to remove the style element
* when the test finishes.
*
* @param rules A dictionary object with selector names and rules to set on
* the style sheet.
*/
root.addStyle = (t, rules) => {
const extraStyle = document.createElement('style');
document.head.appendChild(extraStyle);
if (rules) {
const sheet = extraStyle.sheet;
for (const selector in rules) {
sheet.insertRule(selector + '{' + rules[selector] + '}',
sheet.cssRules.length);
}
}
if (t && typeof t.add_cleanup === 'function') {
t.add_cleanup(() => {
extraStyle.remove();
});
}
};
/**
* Promise wrapper for requestAnimationFrame.
*/
root.waitForFrame = () => {
return new Promise(resolve => {
window.requestAnimationFrame(resolve);
});
};
/**
* Returns a Promise that is resolved after the given number of consecutive
* animation frames have occured (using requestAnimationFrame callbacks).
*
* @param frameCount The number of animation frames.
* @param onFrame An optional function to be processed in each animation frame.
*/
root.waitForAnimationFrames = (frameCount, onFrame) => {
const timeAtStart = document.timeline.currentTime;
return new Promise(resolve => {
function handleFrame() {
if (onFrame && typeof onFrame === 'function') {
onFrame();
}
if (timeAtStart != document.timeline.currentTime &&
--frameCount <= 0) {
resolve();
} else {
window.requestAnimationFrame(handleFrame); // wait another frame
}
}
window.requestAnimationFrame(handleFrame);
});
};
/**
* Wrapper that takes a sequence of N animations and returns:
*
* Promise.all([animations[0].ready, animations[1].ready, ... animations[N-1].ready]);
*/
root.waitForAllAnimations = animations =>
Promise.all(animations.map(animation => animation.ready));
})(window);