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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="../resources/helpers.js"></script>

<body>
<script>
promise_test(async t => {
  let events = [];
  let watcher = createRecordingCloseWatcher(t, events);

  window.onkeyup = e => e.preventDefault();

  await sendEscKey();

  assert_array_equals(events, ["close"]);
}, "A keyup listener can NOT prevent the Esc keypress from being interpreted as a close request");
</script>