| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>The current time of a worklet animation</title> |
| <link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/web-animations/testcommon.js"></script> |
| <script src="common.js"></script> |
| |
| <div id="box"></div> |
| |
| <script> |
| 'use strict'; |
| |
| function CreateAnimation() { |
| const box = document.getElementById('box'); |
| const effect = new KeyframeEffect( |
| box, |
| { height: ['100px', '50px'] }, |
| 10000); |
| |
| return new WorkletAnimation('passthrough', effect); |
| } |
| |
| setup(setupAndRegisterTests, {explicit_done: true}); |
| |
| function setupAndRegisterTests() { |
| registerPassthroughAnimator().then(() => { |
| promise_test(async t => { |
| const animation = CreateAnimation(); |
| animation.play(); |
| |
| assert_equals(animation.currentTime, 0, |
| 'Current time returns the hold time set when entering the play-pending' + |
| 'state'); |
| |
| animation.cancel(); |
| }, 'The current time returns the hold time when set'); |
| |
| promise_test(async t => { |
| const animation = CreateAnimation(); |
| animation.play(); |
| |
| // Allow one async animation frame to pass so that animation is running. |
| await waitForAsyncAnimationFrames(1); |
| assert_equals(animation.playState, "running"); |
| // Allow time to advance so that we have a non-zero current time. |
| await waitForDocumentTimelineAdvance(); |
| const timelineTime = document.timeline.currentTime; |
| assert_greater_than(animation.currentTime, 0); |
| assert_times_equal(animation.currentTime, (timelineTime - animation.startTime)); |
| |
| animation.cancel(); |
| }, 'The current time is calculated from the timeline time and start time'); |
| |
| done(); |
| }); |
| } |
| |
| // TODO(majidvp): Add tests for playbackRate and animations that are not |
| // associated with a timeline once these are supported in WorkletAnimation. |
| // http://crbug.com/833846 |
| </script> |
