transform-above-perspective-dynamic.html

<!DOCTYPE html>
<title>Layout Instability: addition of transform above perspective</title>
<link rel="help" href="https://wicg.github.io/layout-instability/" />
<div id=target2>
  <div id=perspective style="perspective: 1000px;">
    <div id=target>Test</div>
  </div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/util.js"></script>
<script>
promise_test(async () => {
  const watcher = new ScoreWatcher;
  // Wait for the initial render to complete.
  await waitForAnimationFrames(2);

  target2.style.transform = 'translateX(0px)';
  await waitForAnimationFrames(1);

  assert_equals(watcher.score, 0);
}, 'addition of transform above perspective');

</script>

chromium/third_party/blink/web_tests/external/wpt/layout-instability/transform-above-perspective-dynamic.html