shadow-root-inertness-subframe-update.html

<!DOCTYPE html>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>

<!-- The presence of a frame causes the crash in https://crbug.com/895511 -->
<iframe></iframe>

<div id="dialog-host"></div>

<script>
  test(function() {
    var fragment = document.createDocumentFragment();
    var dialog = document.createElement('dialog');
    fragment.appendChild(dialog);

    var dialogHost = document.getElementById('dialog-host');
    var root = dialogHost.attachShadow({mode: 'open'});
    root.appendChild(fragment);
    // This test passes if it does not crash.
  }, 'Append fragment with dialog to shadow root');
</script>

chromium/third_party/blink/web_tests/fast/dom/shadow/shadow-root-inertness-subframe-update.html