File: reporterror-cross-realm-method.html

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<!doctype html>
<meta charset="utf-8">
<title>self.reportError() dispatches an "error" event for this's relevant global object</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/webappapis.html#dom-reporterror">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<body>
<script>
setup({ allow_uncaught_exception: true });

async_test(t => {
  window.addEventListener("error", t.unreached_func("'error' event should not be dispatched for top window!"));

  const iframe = document.createElement("iframe");
  iframe.onload = t.step_func_done(() => {
    let eventFired = false;
    const error = new TypeError("foo");
    const otherWindow = iframe.contentWindow;
    otherWindow.addEventListener("error", t.step_func(event => {
      assert_equals(event.error, error);
      eventFired = true;
    }));

    window.reportError.call(otherWindow, error);
    assert_true(eventFired);
  });
  document.body.append(iframe);
});
</script>