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Diffstat (limited to 'testing/web-platform/tests/animation-worklet/worklet-animation-pause.https.html')
-rw-r--r-- | testing/web-platform/tests/animation-worklet/worklet-animation-pause.https.html | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/testing/web-platform/tests/animation-worklet/worklet-animation-pause.https.html b/testing/web-platform/tests/animation-worklet/worklet-animation-pause.https.html new file mode 100644 index 0000000000..417db9e37a --- /dev/null +++ b/testing/web-platform/tests/animation-worklet/worklet-animation-pause.https.html @@ -0,0 +1,60 @@ +<!DOCTYPE html> +<title>Verify that currentTime and playState are correct when animation is paused</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> + +setup(setupAndRegisterTests, {explicit_done: true}); + +function createAnimation() { + const box = document.getElementById('box'); + const effect = new KeyframeEffect(box, + { transform: ['translateY(100px)', 'translateY(200px)'] }, + { duration: 100, iterations: 1 } + ); + + return new WorkletAnimation('passthrough', effect); +} + +async function setupAndRegisterTests() { + await registerPassthroughAnimator(); + + promise_test(async t => { + const animation = createAnimation(); + animation.play(); + // Immediately pausing animation should freeze the current time at 0. + animation.pause(); + assert_equals(animation.currentTime, 0); + assert_equals(animation.playState, "paused"); + // Wait some time to ensure a paused animation actually freezes. + await waitForNextFrame(); + assert_equals(animation.currentTime, 0); + assert_equals(animation.playState, "paused"); + }, 'pausing an animation freezes its current time'); + + promise_test(async t => { + const animation = createAnimation(); + animation.pause(); + 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)); + }, 'playing a paused animation should resume it'); + + done(); +} + +</script> + |