tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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cross-origin-iframe.https.html (2012B)

      1 <!DOCTYPE html>
      2 <!--
      3 Tests for cross-origin iframes `document.prerendering` state.
      4 
      5 This file cannot be upstreamed to WPT until:
      6 * The specification describes the loading of cross-origin iframes. The test
      7  expects that they are not loaded during prerendering.
      8 -->
      9 <title>Load a cross-origin document in a prerendered iframe</title>
     10 <meta name="variant" content="?target_hint=_self">
     11 <meta name="variant" content="?target_hint=_blank">
     12 <meta name="timeout" content="long">
     13 <script src="/resources/testharness.js"></script>
     14 <script src="/resources/testharnessreport.js"></script>
     15 <script src="/common/get-host-info.sub.js"></script>
     16 <script src="/common/utils.js"></script>
     17 <script src="../resources/utils.js"></script>
     18 <script src="resources/utils.js"></script>
     19 
     20 <body>
     21 <script>
     22 setup(() => assertSpeculationRulesIsSupported());
     23 
     24 promise_test(async t => {
     25  const uid = token();
     26  const bc = new PrerenderChannel('test-channel', uid);
     27 
     28  const gotMessage = new Promise(resolve => {
     29    bc.addEventListener('message', e => {
     30      resolve(e.data);
     31    }, {
     32      once: true
     33    });
     34  });
     35  const url = `resources/cross-origin-iframe.html?uid=${uid}&target_hint=${getTargetHint()}`;
     36  window.open(url, '_blank', 'noopener');
     37 
     38  const result = await gotMessage;
     39  const expected = [
     40    {
     41      event: 'started waiting iframe loaded',
     42      prerendering: true
     43    },
     44    {
     45      event: 'prerendering change',
     46      prerendering: false
     47    },
     48    {
     49      event: 'finished waiting iframe loaded',
     50      prerendering: false
     51    },
     52  ];
     53  assert_equals(result.length, expected.length);
     54  for (let i = 0; i < result.length; i++) {
     55    assert_equals(result[i].event, expected[i].event, `event[${i}]`);
     56    assert_equals(result[i].prerendering, expected[i].prerendering,
     57       `prerendering[${i}]`);
     58  }
     59  bc.close();
     60 
     61  // Send a close signal to PrerenderEventCollector on the prerendered page.
     62  new PrerenderChannel('close', uid).postMessage('');
     63 }, `cross-origin iframes should not load until activation`);
     64 </script>