enumerateDevices-permissions-policy.https.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:
- /audio-output/enumerateDevices-permissions-policy.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

  <title>

    Test permissions policy on enumerateDevices() after getUserMedia()

  </title>

  <link rel="help" href="https://w3c.github.io/mediacapture-output/#privacy-obtaining-consent">

  <meta charset=utf-8>

<body>

  <p class="instructions">If prompted, <strong>please allow</strong> access to

    a microphone device.</p>

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

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

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

  <script src="/permissions-policy/resources/permissions-policy.js"></script>

  <script>

'use strict';

promise_test(async () => {

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

  frame.allow = "speaker-selection 'none'"

  const promise_load = new Promise(r => frame.onload = r);

  document.body.appendChild(frame);

  await promise_load;

  const fDevices = frame.contentWindow.navigator.mediaDevices;

  await fDevices.getUserMedia({ audio: true });

  const list = await fDevices.enumerateDevices();

  const outputDevicesList = list.filter(({kind}) => kind == "audiooutput");

  assert_equals(outputDevicesList.length, 0, "number of output devices.");

}, "permissions policy on enumerateDevices() after getUserMedia()");

  </script>

</body>