<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="utils.js"></script>
<title>Fenced frame content to report the result of background sync's register</title>

<body>
<script type="module">
  import {getOneShotSyncPromise, getPeriodicSyncPromise} from './background-sync-helper.js';

  const [background_sync_register_key] = parseKeylist();
  const searchParams = new URL(location.href).searchParams;
  const method = searchParams.get('method');
  const periodic = searchParams.get('periodic');

  navigator.serviceWorker.register("empty-worker.js", { scope: location.href });
  const registration = await navigator.serviceWorker.ready;

  try {
    if (periodic) {
      await getPeriodicSyncPromise(registration, method);
    } else {
      await getOneShotSyncPromise(registration, method);
    }
    writeValueToServer(background_sync_register_key, "unexpectedly registered");
  } catch (e) {
    writeValueToServer(background_sync_register_key, e.message);
  } finally {
    registration.unregister();
  }
</script>
</body>
