SharedWorker-detach-frame-in-error-event.html

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This WPT test may be referenced by the following Test IDs:
- /workers/SharedWorker-detach-frame-in-error-event.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Test frame detach in shared worker's error handler</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

<iframe id="frame"></iframe>

</body>

<script>

promise_test(t => {

  const frame = document.getElementById('frame');

  const promise = new Promise(resolve => {

    window.detachFrame = () => {

      frame.remove();

      resolve();

};

});

  // Start a new worker with an invalid script in the frame, and detach the

  // frame in the worker's error handler. This shouldn't crash.

  const s = frame.contentWindow.document.createElement('script');

  s.innerHTML = "const worker = new SharedWorker('error');" +

                "worker.onerror = () => { window.parent.detachFrame(); };";

  frame.contentWindow.document.body.appendChild(s);

  return promise;

});

</script>