MediaStreamTrack-end-manual.https.html

Enable keyboard shortcuts

<!doctype html>

<html>

<head>

<title>Test that mediastreamtrack are properly ended</title>

<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>

<link rel="help" href="http://w3c.github.io/mediacapture-main/getusermedia.html#mediastreamtrack">

</head>

<body>

<p class="instructions">When prompted, accept to share your video and audio

stream, and then revoke that permission.</p>

<h1 class="instructions">Description</h1>

<p class="instructions">This test checks that the video and audio tracks of

MediaStream object returned by the success callback in getUserMedia are

correctly set into inactive state when permission is revoked.</p>

<div id='log'></div>

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

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

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

<script src=/resources/testdriver-vendor.js></script>

<script src=permission-helper.js></script>

<script>

'use strict';

promise_test(async t => {

  await setMediaPermission();

  const stream = await navigator.mediaDevices.getUserMedia({

    audio: true,

    video: true,

});

  const vidTrack = stream.getVideoTracks()[0];

  assert_equals(vidTrack.readyState, "live",

    "The video track object is in live state");

  const vidEnded = new Promise(r => vidTrack.onended = r);

  const audTrack = stream.getAudioTracks()[0];

  assert_equals(audTrack.readyState, "live",

    "The audio track object is in live state");

  const audEnded = new Promise(r => audTrack.onended = r);

  await Promise.race([vidEnded, audEnded]);

  assert_equals(stream.getTracks().filter(t => t.readyState == "ended").length,

    1, "Only one track is ended after first track's ended event");

  assert_equals(stream.getTracks().filter(t => t.readyState == "live").length,

    1, "One track is still live after first track's ended event");

  assert_true(stream.active, "MediaStream is still active");

  await Promise.all([vidEnded, audEnded]);

  assert_equals(vidTrack.readyState, "ended", "Video track ended as expected");

  assert_equals(audTrack.readyState, "ended", "Audio track ended as expected");

  assert_false(stream.active, "MediaStream has become inactive as expected");

}, "Tests that MediaStreamTracks end properly on permission revocation");

</script>

</body>

</html>