window-onerror-with-cross-frame-event-listeners-3.html

<!doctype html>
<meta charset=utf-8>
<title>
  When a listener from window A is added to an event target in window A via the
  addEventListener function from window A, errors in that listener should be
  reported to window A.
</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<iframe></iframe>
<iframe></iframe>
<script>
test(function() {
  var f = new frames[1].Function("thereIsNoSuchCallable()");
  frames[1].document.addEventListener("myevent", f);
  var frame0ErrorFired = false;
  var frame1ErrorFired = false;
  var ourErrorFired = false;
  frames[0].addEventListener("error", function() {
    frame0ErrorFired = true;
  });
  frames[1].addEventListener("error", function() {
    frame1ErrorFired = true;
  });
  addEventListener("error", function() {
    ourErrorFired = true;
  });
  frames[1].document.dispatchEvent(new Event("myevent"));
  assert_false(frame0ErrorFired);
  assert_true(frame1ErrorFired);
  assert_false(ourErrorFired);
}, "The error event from an event listener should fire on that listener's global");
</script>

chromium/third_party/blink/web_tests/external/wpt/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-3.html