abort-after-setsinkid.https.html

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This WPT test may be referenced by the following Test IDs:
- /audio-output/abort-after-setsinkid.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Abort during stream init for setSinkId() crashtest for bug 2046555

</title>

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

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

<body>

  <audio controls loop src='/media/sound_5.oga'>

  </audio>

</body>

<script>

// This would be a crashtest but SpecialPowers is not defined in crashtests.

promise_test(async t => {

  const a = document.getElementsByTagName('audio')[0];

  a.load();

  await new Promise(r => a.oncanplaythrough = r);

  await SpecialPowers.pushPrefEnv({'set': [

    // CubebStreamInit() longer than twice 250ms timeupdate interval.

    ['media.cubeb.slow_stream_init_ms', 3 * 250],

    // Skip selectAudioOutput/getUserMedia permission prompt.

    ['media.navigator.permission.disabled', true],

  ]});

  // Same purpose as test_driver.bless(), but functional even on reload.

  SpecialPowers.wrap(document).notifyUserGestureActivation();

  const {deviceId} = await navigator.mediaDevices.selectAudioOutput();

  await a.play();

  await new Promise(r => a.ontimeupdate = r);

  const setSinkPromise = a.setSinkId(deviceId);

  await new Promise(r => a.ontimeupdate = r);

  // Abort the load.

  a.src = '';

  await setSinkPromise;

  document.documentElement.removeAttribute('class');

});

</script>

</html>