chromium/third_party/blink/web_tests/external/wpt/fenced-frame/notify-event-top-level-navigation.https.html

<!DOCTYPE html>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/utils.js"></script>
<title>Test that fenced frame notifyEvent() prevents top-level navigation</title>

<body>
  <script>
  promise_test(async (t) => {
    const fencedframe = await attachFencedFrameContext(
                {generator_api: 'fledge'});
    t.add_cleanup(async () => document.body.removeChild(fencedframe.element));

    let notify_result = new Promise((resolve) => {
      fencedframe.element.addEventListener('fencedtreeclick', () => {
        resolve('notified');
      });
    });

    await fencedframe.execute(() => {
      document.addEventListener('click', (e) => {
        window.fence.notifyEvent(e);
      });
    });

    let actions = new test_driver.Actions();
    await actions.pointerMove(10, 10, {origin: fencedframe.element})
      .pointerDown()
      .pointerUp()
      .send();

    await notify_result;

    // Once `notifyEvent` has resolved, user activation has been consumed in the
    // fenced frame, so navigating `_unfencedTop` should fail.
    let opened_key = token();
    await fencedframe.execute((opened) => {
      let opened_url = generateURL('embeddee.html', [opened]);
      // TODO(averge): Replace this with a pop-up navigation once we require
      // user activation for pop-up navigations.
      window.open(opened_url, '_unfencedTop');
    }, [opened_key]);

    let result = await Promise.race([
      nextValueFromServer(opened_key),
      new Promise((resolve) => {
        t.step_timeout(() => resolve('timeout'), 2000);
      })
    ]);

    assert_equals(result, 'timeout');
  }, "Test that calling notifyEvent() prevents top-level navigation on click.");
  </script>
</body>