permissions-policy-javascript-url-frame-policy.https.html

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This WPT test may be referenced by the following Test IDs:
- /permissions-policy/permissions-policy-javascript-url-frame-policy.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

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

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

</head>

<body>

  <script>

  'use strict';

  const script = 'script';

  const testPage = `

  <${script}>

    parent.postMessage(document.fullscreenEnabled, '*');

  </${script}>

`;

  function runTest(allow, expectation) {

    return new Promise((resolve, reject) => {

      window.onmessage = event => resolve(event.data);

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

      iframe.allow = allow;

      iframe.src = `javascript: \`${testPage}\``;

      document.body.appendChild(iframe);

    }).then(enabled => {

      assert_equals(enabled, expectation);

});

  promise_test(() => runTest('fullscreen *', true),

      'allow attribute(container policy) can enable feature on javascript generated document');

  promise_test(() => runTest("fullscreen 'none'", false),

      'allow attribute(container policy) can disable feature on javascript generated document');

  </script>

</body>