| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>Play states</title> |
| <link rel="help" href="https://drafts.csswg.org/web-animations/#play-states"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../../testcommon.js"></script> |
| <body> |
| <div id="log"></div> |
| <script> |
| 'use strict'; |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| assert_equals(animation.currentTime, null, |
| 'Current time should be initially unresolved'); |
| |
| assert_equals(animation.playState, 'idle'); |
| }, 'reports \'idle\' for an animation with an unresolved current time' |
| + ' and no pending tasks') |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 100 * MS_PER_SEC); |
| |
| animation.pause(); |
| |
| assert_equals(animation.playState, 'paused'); |
| }, 'reports \'paused\' for an animation with a pending pause task'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| |
| animation.currentTime = 0; |
| assert_equals(animation.startTime, null, |
| 'Start time should still be unresolved after setting current' |
| + ' time'); |
| |
| assert_equals(animation.playState, 'paused'); |
| }, 'reports \'paused\' for an animation with a resolved current time and' |
| + ' unresolved start time') |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| |
| animation.startTime = document.timeline.currentTime; |
| assert_not_equals(animation.currentTime, null, |
| 'Current time should be resolved after setting start time'); |
| |
| assert_equals(animation.playState, 'running'); |
| }, 'reports \'running\' for an animation with a resolved start time and' |
| + ' current time'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| animation.startTime = document.timeline.currentTime; |
| |
| animation.currentTime = 100 * MS_PER_SEC; |
| |
| assert_equals(animation.playState, 'finished'); |
| }, 'reports \'finished\' when playback rate > 0 and' |
| + ' current time = target effect end'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| animation.startTime = document.timeline.currentTime; |
| |
| animation.playbackRate = 0; |
| animation.currentTime = 100 * MS_PER_SEC; |
| |
| assert_equals(animation.playState, 'running'); |
| }, 'reports \'running\' when playback rate = 0 and' |
| + ' current time = target effect end'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| animation.startTime = document.timeline.currentTime; |
| |
| animation.playbackRate = -1; |
| animation.currentTime = 100 * MS_PER_SEC; |
| |
| assert_equals(animation.playState, 'running'); |
| }, 'reports \'running\' when playback rate < 0 and' |
| + ' current time = target effect end'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| animation.startTime = document.timeline.currentTime; |
| |
| animation.currentTime = 0; |
| |
| assert_equals(animation.playState, 'running'); |
| }, 'reports \'running\' when playback rate > 0 and' |
| + ' current time = 0'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| animation.startTime = document.timeline.currentTime; |
| |
| animation.playbackRate = 0; |
| animation.currentTime = 0; |
| |
| assert_equals(animation.playState, 'running'); |
| }, 'reports \'running\' when playback rate = 0 and' |
| + ' current time = 0'); |
| |
| test(t => { |
| const animation = new Animation( |
| new KeyframeEffect(null, {}, 100 * MS_PER_SEC) |
| ); |
| animation.startTime = document.timeline.currentTime; |
| |
| animation.playbackRate = -1; |
| animation.currentTime = 0; |
| |
| assert_equals(animation.playState, 'finished'); |
| }, 'reports \'finished\' when playback rate < 0 and' |
| + ' current time = 0'); |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 0); |
| assert_equals(animation.startTime, null, |
| 'Sanity check: start time should be unresolved'); |
| |
| assert_equals(animation.playState, 'finished'); |
| }, 'reports \'finished\' when playback rate > 0 and' |
| + ' current time = target effect end and there is a pending play task'); |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 100 * MS_PER_SEC); |
| assert_equals(animation.startTime, null, |
| 'Sanity check: start time should be unresolved'); |
| |
| assert_equals(animation.playState, 'running'); |
| }, 'reports \'running\' when playback rate > 0 and' |
| + ' current time < target effect end and there is a pending play task'); |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 100 * MS_PER_SEC); |
| assert_equals(animation.playState, 'running'); |
| assert_true(animation.pending); |
| }, 'reports \'running\' for a play-pending animation'); |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 100 * MS_PER_SEC); |
| animation.pause(); |
| assert_equals(animation.playState, 'paused'); |
| assert_true(animation.pending); |
| }, 'reports \'paused\' for a pause-pending animation'); |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 0); |
| assert_equals(animation.playState, 'finished'); |
| assert_true(animation.pending); |
| }, 'reports \'finished\' for a finished-pending animation'); |
| |
| test(t => { |
| const animation = createDiv(t).animate({}, 100 * MS_PER_SEC); |
| // Set up the pending playback rate |
| animation.updatePlaybackRate(-1); |
| // Call play again so that we seek to the end while remaining play-pending |
| animation.play(); |
| // For a pending animation, the play state should always report what the |
| // play state _will_ be once we finish pending. |
| assert_equals(animation.playState, 'running'); |
| assert_true(animation.pending); |
| }, 'reports the play state based on the pending playback rate'); |
| |
| </script> |
| </body> |