78 lines
2.6 KiB
HTML
78 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Animation.ready</title>
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<link rel="help" href="https://drafts.csswg.org/web-animations/#dom-animation-ready">
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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(t => {
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const div = createDiv(t);
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const animation = div.animate(null, 100 * MS_PER_SEC);
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const originalReadyPromise = animation.ready;
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let pauseReadyPromise;
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return animation.ready.then(() => {
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assert_equals(animation.ready, originalReadyPromise,
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'Ready promise is the same object when playing completes');
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animation.pause();
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assert_not_equals(animation.ready, originalReadyPromise,
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'A new ready promise is created when pausing');
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pauseReadyPromise = animation.ready;
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// Wait for the promise to fulfill since if we abort the pause the ready
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// promise object is reused.
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return animation.ready;
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}).then(() => {
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animation.play();
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assert_not_equals(animation.ready, pauseReadyPromise,
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'A new ready promise is created when playing');
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});
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}, 'A new ready promise is created when play()/pause() is called');
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promise_test(t => {
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const div = createDiv(t);
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const animation = div.animate(null, 100 * MS_PER_SEC);
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return animation.ready.then(() => {
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const promiseBeforeCallingPlay = animation.ready;
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animation.play();
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assert_equals(animation.ready, promiseBeforeCallingPlay,
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'Ready promise has same object identity after redundant call'
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+ ' to play()');
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});
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}, 'Redundant calls to play() do not generate new ready promise objects');
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promise_test(t => {
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const div = createDiv(t);
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const animation = div.animate(null, 100 * MS_PER_SEC);
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return animation.ready.then(resolvedAnimation => {
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assert_equals(resolvedAnimation, animation,
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'Object identity of Animation passed to Promise callback'
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+ ' matches the Animation object owning the Promise');
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});
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}, 'The ready promise is fulfilled with its Animation');
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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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// Ensure the ready promise is created
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const ready = animation.ready;
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window.addEventListener(
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'unhandledrejection',
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t.unreached_func('Should not get an unhandled rejection')
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);
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animation.cancel();
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// Wait a moment to allow a chance for the event to be dispatched.
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await waitForAnimationFrames(2);
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}, 'The ready promise does not report an unhandledrejection when rejected');
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</script>
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</body>
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