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