<!doctype html>
<meta charset=utf-8>
<title>CSSAnimation.finished</title>
<!-- TODO: Add a more specific link for this once it is specified. -->
<link rel="help" href="https://drafts.csswg.org/css-animations-2/#cssanimation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/testcommon.js"></script>
<style>
@keyframes abc {
to { transform: translate(10px) }
}
@keyframes def {}
</style>
<div id="log"></div>
<script>
'use strict';
const ANIM_PROP_VAL = 'abc 100s';
const ANIM_DURATION = 100 * MS_PER_SEC;
promise_test(async t => {
const div = addDiv(t);
// Set up pending animation
div.style.animation = ANIM_PROP_VAL;
const animation = div.getAnimations()[0];
const originalFinishedPromise = animation.finished;
// Cancel the animation and flush styles
div.style.animation = '';
getComputedStyle(div).animation;
await promise_rejects_dom(t, 'AbortError', originalFinishedPromise,
'finished promise is rejected with AbortError');
assert_not_equals(animation.finished, originalFinishedPromise,
'Finished promise should change after the original is ' +
'rejected');
}, 'finished promise is rejected when an animation is canceled by resetting ' +
'the animation property');
promise_test(async t => {
const div = addDiv(t);
// As before, but this time instead of removing all animations, simply update
// the list of animations. At least for Firefox, updating is a different
// code path.
// Set up pending animation
div.style.animation = ANIM_PROP_VAL;
const animation = div.getAnimations()[0];
const originalFinishedPromise = animation.finished;
// Update the animation and flush styles
div.style.animation = 'def 100s';
getComputedStyle(div).animation;
await promise_rejects_dom(t, 'AbortError', originalFinishedPromise,
'finished promise is rejected with AbortError');
assert_not_equals(animation.finished, originalFinishedPromise,
'Finished promise should change after the original is ' +
'rejected');
}, 'finished promise is rejected when an animation is canceled by changing ' +
'the animation property');
promise_test(async t => {
const div = addDiv(t);
div.style.animation = ANIM_PROP_VAL;
const animation = div.getAnimations()[0];
const originalFinishedPromise = animation.finished;
animation.currentTime = ANIM_DURATION;
await animation.finished;
div.style.animationPlayState = 'running';
await waitForAnimationFrames(2);
assert_equals(animation.finished, originalFinishedPromise,
'The finished promise should NOT be reset');
assert_equals(animation.currentTime, ANIM_DURATION,
'Sanity check: the current time should not change');
}, 'finished promise is not reset when animationPlayState is set to running');
</script>