chromium/third_party/blink/web_tests/external/wpt/fenced-frame/automatic-beacon-cross-origin-navigation.https.html

<!DOCTYPE html>
<title>Test cross-origin automatic beacons</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.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/get-host-info.sub.js"></script>
<script src="resources/automatic-beacon-helper.js"></script>

<body>
<script>
promise_test(async(t) => {
  const actions = new test_driver.Actions();
  const fencedframe = await attachFencedFrameContext({
    generator_api: 'fledge',
    register_beacon: true
  });

  let beacon_event = {
    eventType: "reserved.top_navigation_start",
    eventData: "this is the beacon data",
    destination: ["buyer"],
    crossOriginExposed: true,
  }

  await setupAutomaticBeacon(fencedframe, [beacon_event],
      "resources/close.html", NavigationTrigger.CrossOriginClick);

  await actions.pointerMove(0, 0, {origin: fencedframe.element})
      .pointerDown()
      .pointerUp()
      .send();

  const received_beacon_data =
      await nextBeacon(beacon_event.eventType, beacon_event.eventData);
}, 'Automatic beacon in a cross-origin subframe');
</script>
</body>