video-defaultplaybackrate.html | Explore in Territory

<!DOCTYPE html>
<title>Test playbackRate and defaultPlaybackRate.</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<video></video>
<script>
async_test(t => {
  let video = document.querySelector("video");
  video.src = "content/test.ogv";

  video.addEventListener('canplaythrough', t.step_func(() => {
    assert_equals(video.defaultPlaybackRate, 1.0);
    video.defaultPlaybackRate = Number.MAX_VALUE;

    assert_equals(video.defaultPlaybackRate, 1.0);
    video.load();

    video.addEventListener('canplaythrough', t.step_func_done(() => {
      assert_equals(video.defaultPlaybackRate, 1.0);
    }), { once: true });
  }), { once: true });
});
</script>

chromium/third_party/blink/web_tests/media/video-defaultplaybackrate.html