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<!DOCTYPE html>
<meta charset=utf-8>
<title>Pausing an animation</title>
<link rel="help"
href="https://drafts.csswg.org/web-animations/#pausing-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(async t => {
const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
const promise = animation.ready;
animation.pause();
const promiseResult = await promise;
assert_equals(promiseResult, animation);
assert_equals(animation.ready, promise);
assert_false(animation.pending, 'No longer pause-pending');
}, 'A pending ready promise should be resolved and not replaced when the'
+ ' animation is paused');
promise_test(async t => {
const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
// Let animation start roughly half-way through
animation.currentTime = 50 * MS_PER_SEC;
await animation.ready;
// Go pause-pending and also set a pending playback rate
animation.pause();
animation.updatePlaybackRate(0.5);
await animation.ready;
// If the current time was updated using the new playback rate it will jump
// back to 25s but if we correctly used the old playback rate the current time
// will be >50s.
assert_greater_than(animation.currentTime, 50 * MS_PER_SEC);
}, 'A pause-pending animation maintains the current time when applying a'
+ ' pending playback rate');
</script>
</body>
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