<!DOCTYPE html>
<!--
Tests that an iframe added after activation starts out with
document.prerendering false.
-->
<title>iframe added after activation</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>

<body>
<script>
setup(() => assertSpeculationRulesIsSupported());

promise_test(async t => {
  const uid = token();
  const channel = new PrerenderChannel('test-channel', uid);
  const messageQueue = new BroadcastMessageQueue(channel);
  t.add_cleanup(_ => channel.close());

  // Make the window to start the prerender.
  const url = `resources/iframe-added-post-activation.html?uid=${uid}`;
  window.open(url, '_blank', 'noopener');

  // Wait for done.
  const msg = await messageQueue.nextMessage();
  assert_equals(msg, 'PASS');
}, 'iframe added after activation has false document.prerendering');
</script>