| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>Animation.pause</title> |
| <link rel="help" href="https://drafts.csswg.org/web-animations/#dom-animation-pause"> |
| <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'; |
| |
| promise_test(t => { |
| const div = createDiv(t); |
| const animation = div.animate({}, 1000 * MS_PER_SEC); |
| let previousCurrentTime = animation.currentTime; |
| |
| return animation.ready.then(waitForAnimationFrames(1)).then(() => { |
| assert_true(animation.currentTime >= previousCurrentTime, |
| 'currentTime is initially increasing'); |
| animation.pause(); |
| return animation.ready; |
| }).then(() => { |
| previousCurrentTime = animation.currentTime; |
| return waitForAnimationFrames(1); |
| }).then(() => { |
| assert_equals(animation.currentTime, previousCurrentTime, |
| 'currentTime does not increase after calling pause()'); |
| }); |
| }, 'pause() a running animation'); |
| |
| promise_test(t => { |
| const div = createDiv(t); |
| const animation = div.animate({}, 1000 * MS_PER_SEC); |
| |
| // Go to idle state then pause |
| animation.cancel(); |
| animation.pause(); |
| |
| assert_equals(animation.currentTime, 0, 'currentTime is set to 0'); |
| assert_equals(animation.startTime, null, 'startTime is not set'); |
| assert_equals(animation.playState, 'paused', 'in paused play state'); |
| assert_true(animation.pending, 'initially pause-pending'); |
| |
| // Check it still resolves as expected |
| return animation.ready.then(() => { |
| assert_false(animation.pending, 'no longer pending'); |
| assert_equals(animation.currentTime, 0, |
| 'keeps the initially set currentTime'); |
| }); |
| }, 'pause() from idle'); |
| |
| promise_test(t => { |
| const div = createDiv(t); |
| const animation = div.animate({}, 1000 * MS_PER_SEC); |
| animation.cancel(); |
| animation.playbackRate = -1; |
| animation.pause(); |
| |
| assert_equals(animation.currentTime, 1000 * MS_PER_SEC, |
| 'currentTime is set to the effect end'); |
| |
| return animation.ready.then(() => { |
| assert_equals(animation.currentTime, 1000 * MS_PER_SEC, |
| 'keeps the initially set currentTime'); |
| }); |
| }, 'pause() from idle with a negative playbackRate'); |
| |
| test(t => { |
| const div = createDiv(t); |
| const animation = div.animate({}, {duration: 1000 * MS_PER_SEC, |
| iterations: Infinity}); |
| animation.cancel(); |
| animation.playbackRate = -1; |
| |
| assert_throws_dom('InvalidStateError', |
| () => { animation.pause(); }, |
| 'Expect InvalidStateError exception on calling pause() ' + |
| 'from idle with a negative playbackRate and ' + |
| 'infinite-duration animation'); |
| }, 'pause() from idle with a negative playbackRate and endless effect'); |
| |
| promise_test(t => { |
| const div = createDiv(t); |
| const animation = div.animate({}, 1000 * MS_PER_SEC); |
| return animation.ready |
| .then(animation => { |
| animation.finish(); |
| animation.pause(); |
| return animation.ready; |
| }).then(animation => { |
| assert_equals(animation.currentTime, 1000 * MS_PER_SEC, |
| 'currentTime after pausing finished animation'); |
| }); |
| }, 'pause() on a finished animation'); |
| |
| </script> |
| </body> |
