windowclient-navigate-to-same-origin-url-on-iframe.https.html

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prerender/windowclient-navigate-to-same-origin-url-on-iframe.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>WindowClient.navigate() to same-origin url in a prerendered iframe</title>

<meta name="timeout" content="long">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/get-host-info.sub.js"></script>

<script src="/common/utils.js"></script>

<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>

<script src="../resources/utils.js"></script>

<script src="resources/utils.js"></script>

<body>

<script>

setup(() => assertSpeculationRulesIsSupported());

const PAGE_URL = 'resources/windowclient-navigate-on-iframe.html';

const WORKER_URL = 'resources/windowclient-navigate-worker.js';

const SCOPE = 'resources/';

const SAME_ORIGIN_DESTINATION =

    get_host_info()['HTTPS_ORIGIN'] + base_path() + 'resources/empty.html';

promise_test(async t => {

  const uid = token();

  const registration = await service_worker_unregister_and_register(

      t, `${WORKER_URL}?uid=${uid}`, SCOPE);

  t.add_cleanup(() => registration.unregister());

  await wait_for_state(t, registration.installing, 'activated');

  const bc = new PrerenderChannel('test-channel', uid);

  t.add_cleanup(_ => bc.close());

  const gotMessage = new Promise(resolve => {

    bc.addEventListener('message', e => {

      resolve(e.data);

    }, {

      once: true

});

});

  // PAGE_URL starts a prerender of a page that makes an iframe, then asks the

  // service worker to navigate the iframe to `navigationUrl` via

  // `WindowClient.navigate(url)`.

  window.open(

      `${PAGE_URL}?navigationUrl=${SAME_ORIGIN_DESTINATION}&uid=${uid}`,

      '_blank',

      'noopener');

  const navigationResult = await gotMessage;

  assert_equals(navigationResult, 'navigate() succeeded',

      'should succeed to finish navigation test');

  // Send a close signal to PrerenderEventCollector on the prerendered page.

  new PrerenderChannel('close', uid).postMessage('');

}, 'WindowClient.navigate() to a same-origin URL on a prerendered iframe ' +

   'should succeed');

</script>