64 lines
2 KiB
HTML
64 lines
2 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>The current time of a worklet animation</title>
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<link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/">
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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="/web-animations/testcommon.js"></script>
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<script src="common.js"></script>
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<div id="box"></div>
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<script>
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'use strict';
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function CreateAnimation() {
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const box = document.getElementById('box');
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const effect = new KeyframeEffect(
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box,
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{ height: ['100px', '50px'] },
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10000);
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return new WorkletAnimation('passthrough', effect);
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}
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setup(setupAndRegisterTests, {explicit_done: true});
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function setupAndRegisterTests() {
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registerPassthroughAnimator().then(() => {
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promise_test(async t => {
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const animation = CreateAnimation();
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animation.play();
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assert_equals(animation.currentTime, 0,
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'Current time returns the hold time set when entering the play-pending' +
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'state');
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animation.cancel();
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}, 'The current time returns the hold time when set');
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promise_test(async t => {
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const animation = CreateAnimation();
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animation.play();
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// Allow one async animation frame to pass so that animation is running.
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await waitForAsyncAnimationFrames(1);
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assert_equals(animation.playState, "running");
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// Allow time to advance so that we have a non-zero current time.
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await waitForDocumentTimelineAdvance();
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const timelineTime = document.timeline.currentTime;
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assert_greater_than(animation.currentTime, 0);
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assert_times_equal(animation.currentTime, (timelineTime - animation.startTime));
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animation.cancel();
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}, 'The current time is calculated from the timeline time and start time');
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done();
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});
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}
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// TODO(majidvp): Add tests for playbackRate and animations that are not
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// associated with a timeline once these are supported in WorkletAnimation.
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// http://crbug.com/833846
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</script>
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