order-in-new-document-navigation-iframe.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/browsers/browsing-the-web/history-traversal/pagereveal/order-in-new-document-navigation-iframe.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>pagereveal event fires and in correct order on new-document navigation in an iframe</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/webappapis.html#update-the-rendering">

<link rel="author" href="mailto:bokan@chromium.org">

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

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

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

<body>

<script>

function message(data) {

  return new Promise(resolve => {

    addEventListener('message', e => {

      if (data == undefined || data === e.data)

        resolve(e.data);

});

});

promise_test(async () => {

  const frameLoaded = message('loaded');

  const iframe = document.createElement('iframe');

  iframe.src = `${get_host_info().OTHER_ORIGIN}/html/browsers/browsing-the-web/history-traversal/pagereveal/resources/iframe.html`;

  document.body.appendChild(iframe);

  await frameLoaded;

  const event_log_promise = message();

  iframe.contentWindow.postMessage('getEventLog', '*');

  const event_log = await event_log_promise;

  // Expect that the events seen are:

  // pageshow.persisted, pagereveal, rAF, rAF, rAF, ...

  assert_equals(event_log.slice(0, 3).toString(),'pageshow,pagereveal,rAF');

});

</script>

</body>