element-render-blocking-038.html | Explore in Territory

<!DOCTYPE html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/utils.js"></script>
<title>link rel=expect: only connected elements are eligible</title>

<link rel=expect href="#second" blocking="render">
<script>
async_test((t) => {
  requestAnimationFrame(() => {
    t.step(() => assert_true(!!document.getElementById("second"), "The second element should be there"));
    t.step(() => assert_false(!!document.getElementById("last"), "The last element should not be there yet, even though it's created (in a shadow root)"));
    t.done();
  });
}, "");
</script>
</head>
<body>
  <div id="first"></div>
  <script>
          generateParserDelay();
  </script>
  <div id="second">
    <custom-element>
      <template shadowrootmode="open">
        <div id="last"></div>
      </template>
    </custom-element>
  </div>
  <script>
          generateParserDelay();
  </script>
  <div id="last"></div>
</body>

chromium/third_party/blink/web_tests/external/wpt/html/dom/render-blocking/element-render-blocking-038.html