diff options
Diffstat (limited to 'testing/web-platform/tests/layout-instability/video.html')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/video.html | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/video.html b/testing/web-platform/tests/layout-instability/video.html new file mode 100644 index 0000000000..d699ba0ae3 --- /dev/null +++ b/testing/web-platform/tests/layout-instability/video.html @@ -0,0 +1,32 @@ +<!DOCTYPE html> +<title>Layout Instability: no shifts from advancing video track</title> +<link rel="help" href="https://wicg.github.io/layout-instability/" /> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/test-adapter.js"></script> +<script src="resources/util.js"></script> +<video controls> + <source src="/media/white.webm" type="video/webm"> +</video> +<script> + +promise_test(async () => { + const watcher = new ScoreWatcher; + var video = document.querySelector("video"); + + await new Promise(resolve => { video.oncanplay = resolve; }); + await waitForAnimationFrames(2); + + // TODO(crbug.com/1088311): There are still some shifts from creating the + // <video>, so the score is already > 0 here. For now, just verify that + // advancing the track does not increase it further. + var currentScore = watcher.score; + + video.currentTime = 5; + + await waitForAnimationFrames(3); + cls_expect(watcher, {score: currentScore}); + +}, "No shifts from advancing video track."); + +</script> |