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98 lines
3.3 KiB
HTML
98 lines
3.3 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>CSSAnimation.ready</title>
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<!-- TODO: Add a more specific link for this once it is specified. -->
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<link rel="help" href="https://drafts.csswg.org/css-animations-2/#cssanimation">
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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="support/testcommon.js"></script>
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<style>
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@keyframes abc {
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to { transform: translate(10px) }
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}
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</style>
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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 div = addDiv(t);
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div.style.animation = 'abc 100s paused';
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const animation = div.getAnimations()[0];
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const originalReadyPromise = animation.ready;
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await animation.ready;
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div.style.animationPlayState = 'running';
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assert_not_equals(animation.ready, originalReadyPromise,
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'After updating animation-play-state a new ready promise'
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+ ' object is created');
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}, 'A new ready promise is created when setting animation-play-state: running');
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promise_test(async t => {
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const div = addDiv(t);
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// Set up pending animation
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div.style.animation = 'abc 100s';
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const animation = div.getAnimations()[0];
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assert_true(animation.pending, 'Animation is initially pending');
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const readyPromise = animation.ready;
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// Cancel the animation and flush styles
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div.style.animation = '';
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getComputedStyle(div).animation;
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await promise_rejects_dom(t, 'AbortError', readyPromise,
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'ready promise is rejected with AbortError');
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}, 'ready promise is rejected when an animation is canceled by resetting'
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+ ' the animation property');
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promise_test(async t => {
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const div = addDiv(t);
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// As before, but this time instead of removing all animations, simply update
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// the list of animations. At least for Firefox, updating is a different
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// code path.
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// Set up pending animation
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div.style.animation = 'abc 100s';
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const animation = div.getAnimations()[0];
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assert_true(animation.pending, 'Animation is initially pending');
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const readyPromise = animation.ready;
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// Update the animation and flush styles
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div.style.animation = 'def 100s';
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getComputedStyle(div).animation;
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await promise_rejects_dom(t, 'AbortError', readyPromise,
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'ready promise is rejected with AbortError');
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}, 'ready promise is rejected when an animation is canceled by updating'
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+ ' the animation property');
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promise_test(async t => {
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const div = addDiv(t, { style: 'animation: abc 100s' });
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const animation = div.getAnimations()[0];
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const originalReadyPromise = animation.ready;
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await animation.ready;
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div.style.animationPlayState = 'paused';
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assert_not_equals(animation.ready, originalReadyPromise,
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'A new Promise object is generated when setting'
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+ ' animation-play-state: paused');
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}, 'A new ready promise is created when setting animation-play-state: paused');
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promise_test(async t => {
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const div = addDiv(t, { style: 'animation: abc 100s' });
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const animation = div.getAnimations()[0];
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await animation.ready;
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div.style.animationPlayState = 'paused';
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const firstReadyPromise = animation.ready;
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animation.pause();
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assert_equals(animation.ready, firstReadyPromise,
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'Ready promise objects are identical after redundant pause');
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}, 'Pausing twice re-uses the same Promise');
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</script>
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