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<!DOCTYPE html>
<meta charset=utf-8>
<title>Canceling an animation</title>
<link rel="help"
href="https://drafts.csswg.org/web-animations/#canceling-an-animation-section">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<body>
<div id="log"></div>
<script>
'use strict';
promise_test(t => {
const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
const retPromise = animation.ready.then(() => {
assert_unreached('ready promise was fulfilled');
}).catch(err => {
assert_equals(err.name, 'AbortError',
'ready promise is rejected with AbortError');
});
animation.cancel();
return retPromise;
}, 'A play-pending ready promise should be rejected when the animation is'
+ ' canceled');
promise_test(async t => {
const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
await animation.ready;
// Make it pause-pending
animation.pause();
// We need to store the original ready promise since cancel() will
// replace it
const originalPromise = animation.ready;
animation.cancel();
await promise_rejects(t, 'AbortError', originalPromise,
'Cancel should abort ready promise');
}, 'A pause-pending ready promise should be rejected when the animation is'
+ ' canceled');
promise_test(async t => {
const animation = createDiv(t).animate(null);
animation.cancel();
const promiseResult = await animation.ready;
assert_equals(promiseResult, animation);
}, 'When an animation is canceled, it should create a resolved Promise');
test(t => {
const animation = createDiv(t).animate(null);
const promise = animation.ready;
animation.cancel();
assert_not_equals(animation.ready, promise);
}, 'The ready promise should be replaced when the animation is canceled');
promise_test(t => {
const animation = new Animation(
new KeyframeEffect(null, null, { duration: 1000 }),
null
);
assert_equals(animation.playState, 'idle',
'The animation should be initially idle');
animation.finished.then(t.step_func(() => {
assert_unreached('Finished promise should not resolve');
}), t.step_func(() => {
assert_unreached('Finished promise should not reject');
}));
animation.cancel();
return waitForAnimationFrames(3);
}, 'The finished promise should NOT be rejected if the animation is already'
+ ' idle');
promise_test(t => {
const animation = new Animation(
new KeyframeEffect(null, null, { duration: 1000 }),
null
);
assert_equals(animation.playState, 'idle',
'The animation should be initially idle');
animation.oncancel = t.step_func(() => {
assert_unreached('Cancel event should not be fired');
});
animation.cancel();
return waitForAnimationFrames(3);
}, 'The cancel event should NOT be fired if the animation is already'
+ ' idle');
</script>
</body>
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