MediaStream-finished-add.https.html (1535B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>Adding a track to an inactive MediaStream</title> 5 <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> 6 <link rel="help" href="http://w3c.github.io/mediacapture-main/getusermedia.html#widl-MediaStream-addTrack-void-MediaStreamTrack-track"> 7 <link rel="help" href="http://w3c.github.io/mediacapture-main/getusermedia.html#widl-MediaStreamTrack-stop-void"> 8 </head> 9 <body> 10 <p class="instructions">When prompted, accept to share your audio stream, then 11 your video stream.</p> 12 <h1 class="instructions">Description</h1> 13 <p class="instructions">This test checks that adding a track to an inactive 14 MediaStream is allowed.</p> 15 16 <div id='log'></div> 17 <script src=/resources/testharness.js></script> 18 <script src=/resources/testharnessreport.js></script> 19 <script src=/resources/testdriver.js></script> 20 <script src=/resources/testdriver-vendor.js></script> 21 <script src=permission-helper.js></script> 22 <script> 23 promise_test(async () => { 24 await setMediaPermission(); 25 const audio = await navigator.mediaDevices.getUserMedia({audio:true}); 26 const video = await navigator.mediaDevices.getUserMedia({video:true}); 27 audio.getAudioTracks()[0].stop(); 28 assert_false(audio.active, "audio stream is inactive after stopping its only audio track"); 29 assert_true(video.active, "video stream is active"); 30 audio.addTrack(video.getVideoTracks()[0]); 31 audio.removeTrack(audio.getAudioTracks()[0]); 32 }, "Tests that adding a track to an inactive MediaStream is allowed"); 33 </script> 34 </body> 35 </html>