interactionid-menu-keydown.html | Explore in Territory

<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title>Event Timing: interactionid-menu-keydown</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=resources/event-timing-internal-test-utils.js></script>

<script>
  let platformSupported = false;
  const map = new Map();
  const events = ['keydown'];

  // This test replicates a real world scenario that - on triggering contextmenu
  // with the menu key, the keydown is captured but not keyup. (crbug/1428603)
  // In this case, we need to make sure event timing will correctly report the
  // keydown entry with a valid/non-trivial interactionId.
  promise_test(async t => {
    assert_implements(window.PerformanceEventTiming, 'Event Timing is not supported.');
    assert_own_property(window, 'eventSender', 'This test requires eventSender.');
    // This test is not applicable to platforms like Windows & Mac where
    // contextmenu events won't be triggered from the menu key. So we do a
    // platform behavior test first to distinguish and skip those platforms who
    // do not dispatch contextmenu upon menu key press.
    document.addEventListener('contextmenu', () => { platformSupported = true; });
    await eventSender.keyDownOnly('ContextMenu');
    // 2000ms is a magic number picked to wait for contextmenu being observed
    // from the performance observer. Consider enlarge it if flaky.
    await t.step_timeout(() => { }, 2000);
    if (!platformSupported) {
      return;
    }

    // Perform test on qualified platforms
    const callback = (entryList) => { entryList.getEntries().filter(filterAndAddToMap(events, map)); };
    const readyToResolve = () => { return map.has('keydown'); };
    const observerPromise = createPerformanceObserverPromise(['event'], callback, readyToResolve);

    await interactAndObserve('menu-keydown', document, observerPromise);
    assert_greater_than(map.get('keydown'), 0, 'The keydown entry should have a non-trivial interactionId');
  }, "Event Timing: verify keydown reporting for menu keydown only triggered contextmenu.");

</script>

</html>
chromium/third_party/blink/web_tests/wpt_internal/event-timing/interactionid-menu-keydown.html
