event-properties.html | Explore in Territory

<!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 closeEvent, cancelEvent;
  const watcher = new CloseWatcher();
  watcher.oncancel = e => { cancelEvent = e; };
  watcher.onclose = e => { closeEvent = e; };

  await test_driver.bless("call requestClose()", () => watcher.requestClose());

  assert_equals(cancelEvent.constructor, Event, "cancel constructor");
  assert_false(cancelEvent.bubbles, "cancel bubles");
  assert_true(cancelEvent.cancelable, "cancel cancelable");

  assert_equals(closeEvent.constructor, Event, "close constructor");
  assert_false(closeEvent.bubbles, "close bubles");
  assert_false(closeEvent.cancelable, "close cancelable");
}, "cancel and close event properties are correct");
</script>

chromium/third_party/blink/web_tests/external/wpt/close-watcher/event-properties.html