45 lines
No EOL
1.4 KiB
HTML
45 lines
No EOL
1.4 KiB
HTML
<!DOCTYPE html>
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<title>Cancel non accelerated property using 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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<style>
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#target {
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background-color: red;
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}
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</style>
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<div id="target"></div>
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<script>
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promise_test(async t => {
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await registerConstantLocalTimeAnimator(1000);
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const target = document.getElementById('target');
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const effect = new KeyframeEffect(
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target,
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[
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{ background: 'green' },
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{ background: 'blue' },
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],
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{
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duration: 2000,
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iteration: Infinity
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}
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);
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const animation = new WorkletAnimation('constant_time', effect);
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animation.play();
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await waitForAsyncAnimationFrames(1);
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// establish that the animation started
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assert_equals(getComputedStyle(target).backgroundColor, "rgb(0, 64, 128)");
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animation.cancel();
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await waitForAsyncAnimationFrames(1);
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// confirm the animation is cancelled
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assert_equals(getComputedStyle(target).backgroundColor, "rgb(255, 0, 0)");
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}, "Animation should update the outputs after starting and then return to pre-animated values after being cancelled");
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</script> |