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Automatic update from web-platform-tests Add tests for resuming a canceled animation. Bug: 1015083 Change-Id: I8d8137d85ccdf9a6fe68f6be1b12a483ef0eabea Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2023191 Reviewed-by: Xida Chen <xidachen@chromium.org> Commit-Queue: Kevin Ellis <kevers@chromium.org> Cr-Commit-Position: refs/heads/master@{#735899} -- wpt-commits: 4625b460932e948e716af973bd496c458d0e64c5 wpt-pr: 21463
119 lines
4 KiB
HTML
119 lines
4 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Pausing an animation</title>
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<link rel="help"
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href="https://drafts.csswg.org/web-animations/#pausing-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="../../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(async t => {
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const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
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await animation.ready;
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const startTimeBeforePausing = animation.startTime;
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animation.pause();
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assert_equals(animation.startTime, startTimeBeforePausing,
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'The start time does not change when pausing-pending');
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await animation.ready;
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assert_equals(animation.startTime, null,
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'The start time is unresolved when paused');
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}, 'Pausing clears the start time');
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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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await animation.ready;
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animation.pause();
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assert_not_equals(animation.startTime, null,
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'The start time is resolved when pause-pending');
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animation.play();
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assert_not_equals(animation.startTime, null,
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'The start time is preserved when a pause is aborted');
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}, 'Aborting a pause preserves the start time');
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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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const promise = animation.ready;
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animation.pause();
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const promiseResult = await promise;
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assert_equals(promiseResult, animation);
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assert_equals(animation.ready, promise);
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assert_false(animation.pending, 'No longer pause-pending');
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}, 'A pending ready promise should be resolved and not replaced when the'
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+ ' animation is paused');
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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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// Let animation start roughly half-way through
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animation.currentTime = 50 * MS_PER_SEC;
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await animation.ready;
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// Go pause-pending and also set a pending playback rate
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animation.pause();
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animation.updatePlaybackRate(0.5);
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await animation.ready;
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// If the current time was updated using the new playback rate it will jump
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// back to 25s but if we correctly used the old playback rate the current time
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// will be >= 50s.
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assert_greater_than_equal(animation.currentTime, 50 * MS_PER_SEC);
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}, 'A pause-pending animation maintains the current time when applying a'
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+ ' pending playback rate');
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promise_test(async t => {
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// This test does not cover a specific step in the algorithm but serves as a
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// high-level sanity check that pausing does, in fact, freeze the current
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// time.
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const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
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await animation.ready;
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animation.pause();
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await animation.ready;
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const currentTimeAfterPausing = animation.currentTime;
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await waitForNextFrame();
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assert_equals(animation.currentTime, currentTimeAfterPausing,
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'Animation.currentTime is unchanged after pausing');
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}, 'The animation\'s current time remains fixed after pausing');
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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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const originalReadyPromise = animation.ready;
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animation.cancel();
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assert_equals(animation.startTime, null);
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assert_equals(animation.currentTime, null);
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const readyPromise = animation.ready;
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assert_true(originalReadyPromise != readyPromise,
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'Canceling an animation should create a new ready promise');
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animation.pause();
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assert_equals(animation.playState, 'paused',
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'Pausing a canceled animation should update the play state');
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assert_true(animation.pending, 'animation should be pause-pending');
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await animation.ready;
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assert_false(animation.pending,
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'animation should no longer be pause-pending');
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assert_equals(animation.startTime, null, 'start time should be unresolved');
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assert_equals(animation.currentTime, 0, 'current time should be set to zero');
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}, 'Pausing a canceled animation sets the current time');
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</script>
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</body>
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