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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/web-animations/timing-model/animations/setting-the-playback-rate-of-an-animation.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/web-animations/timing-model/animations/setting-the-playback-rate-of-an-animation.html')
| -rw-r--r-- | testing/web-platform/tests/web-animations/timing-model/animations/setting-the-playback-rate-of-an-animation.html | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/testing/web-platform/tests/web-animations/timing-model/animations/setting-the-playback-rate-of-an-animation.html b/testing/web-platform/tests/web-animations/timing-model/animations/setting-the-playback-rate-of-an-animation.html new file mode 100644 index 0000000000..a1f9e4f3ac --- /dev/null +++ b/testing/web-platform/tests/web-animations/timing-model/animations/setting-the-playback-rate-of-an-animation.html @@ -0,0 +1,110 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Setting the playback rate of an animation</title> +<link rel="help" href="https://drafts.csswg.org/web-animations/#setting-the-playback-rate-of-an-animation"> +<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(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.playbackRate = 2; + await animation.ready; + + const previousAnimationCurrentTime = animation.currentTime; + const previousTimelineCurrentTime = animation.timeline.currentTime; + + await waitForAnimationFrames(1); + + const animationCurrentTimeDifference = + animation.currentTime - previousAnimationCurrentTime; + const timelineCurrentTimeDifference = + animation.timeline.currentTime - previousTimelineCurrentTime; + + assert_times_equal( + animationCurrentTimeDifference, + timelineCurrentTimeDifference * animation.playbackRate, + 'The current time should increase two times faster than timeline' + ); +}, 'The playback rate affects the rate of progress of the current time'); + +test(t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.currentTime = 50 * MS_PER_SEC; + animation.playbackRate = 2; + assert_time_equals_literal(animation.currentTime, 50 * MS_PER_SEC); +}, 'Setting the playback rate while play-pending preserves the current time'); + +promise_test(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.currentTime = 50 * MS_PER_SEC; + await animation.ready; + animation.playbackRate = 2; + assert_greater_than_equal(animation.currentTime, 50 * MS_PER_SEC); + assert_less_than(animation.currentTime, 100 * MS_PER_SEC); +}, 'Setting the playback rate while playing preserves the current time'); + +promise_test(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.currentTime = 50 * MS_PER_SEC; + animation.updatePlaybackRate(2); + animation.playbackRate = 1; + await animation.ready; + assert_equals(animation.playbackRate, 1); +}, 'Setting the playback rate should clear any pending playback rate'); + +promise_test(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.currentTime = 50 * MS_PER_SEC; + animation.pause(); + await animation.ready; + animation.playbackRate = 2; + // Ensure that the animation remains paused and current time is preserved. + assert_equals(animation.playState, 'paused'); + assert_time_equals_literal(animation.currentTime, 50 * MS_PER_SEC); +}, 'Setting the playback rate while paused preserves the current time and ' + + 'state'); + +promise_test(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.currentTime = 150 * MS_PER_SEC; + await animation.ready; + animation.playbackRate = 2; + // Ensure that current time is preserved and does not snap to the effect end + // time. + assert_equals(animation.playState, 'finished'); + assert_time_equals_literal(animation.currentTime, 150 * MS_PER_SEC); +}, 'Setting the playback rate while finished preserves the current time'); + +promise_test(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + animation.currentTime = 150 * MS_PER_SEC; + await animation.ready; + assert_equals(animation.playState, 'finished'); + animation.playbackRate = -1; + // Ensure that current time does not snap to the effect end time and that the + // animation resumes playing. + assert_equals(animation.playState, 'running'); + assert_time_equals_literal(animation.currentTime, 150 * MS_PER_SEC); + await waitForAnimationFrames(2); + assert_less_than(animation.currentTime, 150 * MS_PER_SEC); +}, 'Reversing the playback rate while finished restarts the animation'); + + +promise_test(async t => { + const animation = createDiv(t).animate(null, 100 * MS_PER_SEC); + await animation.ready; + animation.currentTime = 50 * MS_PER_SEC; + animation.playbackRate = 0; + // Ensure that current time does not drift. + assert_equals(animation.playState, 'running'); + await waitForAnimationFrames(2); + assert_time_equals_literal(animation.currentTime, 50 * MS_PER_SEC); +}, 'Setting a zero playback rate while running preserves the current time'); + +</script> +</body> |