41 lines
1.4 KiB
HTML
41 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<link rel="help" src="https://drafts.csswg.org/css-animations-2/#animation-timeline">
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<link rel="help" src="https://drafts.csswg.org/web-animations/#playing-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="/web-animations/testcommon.js"></script>
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<style>
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@keyframes expand {
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from { width: 100px; }
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to { width: 200px; }
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}
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.test {
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width: 0px;
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animation-name: expand;
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animation-duration: 1s;
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}
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#element_timeline_none {
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animation-timeline: none;
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}
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#element_unknown_timeline {
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animation-timeline: --unknown_timeline;
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}
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</style>
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<div class=test id=element_timeline_none></div>
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<div class=test id=element_unknown_timeline></div>
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<script>
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promise_test(async (t) => {
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assert_equals(getComputedStyle(element_timeline_none).width, '100px');
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await waitForAnimationFrames(3);
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assert_equals(getComputedStyle(element_timeline_none).width, '100px');
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}, 'Animation with animation-timeline:none holds current time at zero');
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promise_test(async (t) => {
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assert_equals(getComputedStyle(element_unknown_timeline).width, '100px');
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await waitForAnimationFrames(3);
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assert_equals(getComputedStyle(element_unknown_timeline).width, '100px');
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}, 'Animation with unknown timeline name holds current time at zero');
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</script>
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