local-time.html | Explore in Territory

<!DOCTYPE html>
<meta charset=utf-8>
<title>Local time</title>
<link rel="help" href="https://drafts.csswg.org/web-animations/#local-time">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<body>
<script>
'use strict';

test(t => {
  const anim = createDiv(t).animate(null, 10 * MS_PER_SEC);
  for (const seconds of [-1, 0, 5, 10, 20]) {
    anim.currentTime = seconds * MS_PER_SEC;
    assert_equals(
      anim.effect.getComputedTiming().localTime,
      seconds * MS_PER_SEC
    );
  }
}, 'Local time is current time for animation effects associated with an animation');

test(t => {
  const effect = new KeyframeEffect(createDiv(t), null, 10 * MS_PER_SEC);
  assert_equals(effect.getComputedTiming().localTime, null);
}, 'Local time is unresolved for animation effects not associated with an animation');

</script>
</body>

chromium/third_party/blink/web_tests/external/wpt/web-animations/timing-model/animation-effects/local-time.html