chromium/third_party/blink/web_tests/external/wpt/custom-elements/reactions/customized-builtins/HTMLEmbedElement.html

<!DOCTYPE html>
<title>Custom Elements: CEReactions on HTMLEmbedElement interface</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<meta name="assert" content="src, type, width, height of
  HTMLEmbedElement interface must have CEReactions">
<meta name="help" content="https://html.spec.whatwg.org/#the-embed-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../resources/custom-elements-helpers.js"></script>
<script src="../resources/reactions.js"></script>

<script>

testReflectAttribute(
  'src', 'src', '/media/movie_5.mp4',
  '/media/sound_5.mp3', 'src on HTMLEmbedElement', 'embed',
  HTMLEmbedElement
);
testReflectAttribute(
  'type', 'type', 'video/webm',
  'video/mp4', 'type on HTMLEmbedElement', 'embed',
  HTMLEmbedElement
);
testReflectAttribute(
  'width', 'width', '100',
  '120', 'width on HTMLEmbedElement', 'embed',
  HTMLEmbedElement
);
testReflectAttribute(
  'height', 'height', '100',
  '120', 'height on HTMLEmbedElement', 'embed',
  HTMLEmbedElement
);

</script>