MediaStream-audio-only.https.html (1786B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>getUserMedia({audio:true}) creates a stream with at least an audio track</title> 5 <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> 6 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-NavigatorUserMedia-getUserMedia-void-MediaStreamConstraints-constraints-NavigatorUserMediaSuccessCallback-successCallback-NavigatorUserMediaErrorCallback-errorCallback"> 7 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-kind"> 8 </head> 9 <body> 10 <p class="instructions">When prompted, accept to share your audio stream.</p> 11 <h1 class="instructions">Description</h1> 12 <p class="instructions">This test checks that the MediaStream object returned by 13 the success callback in getUserMedia has exactly one audio track.</p> 14 15 <div id='log'></div> 16 <script src=/resources/testharness.js></script> 17 <script src=/resources/testharnessreport.js></script> 18 <script src=/resources/testdriver.js></script> 19 <script src=/resources/testdriver-vendor.js></script> 20 <script src=permission-helper.js></script> 21 <script> 22 promise_test(async () => { 23 await setMediaPermission(); 24 const stream = await navigator.mediaDevices.getUserMedia({audio:true}); 25 assert_true(stream instanceof MediaStream, "getUserMedia success callback comes with a MediaStream object"); 26 assert_equals(stream.getAudioTracks().length, 1, "the media stream has exactly one audio track"); 27 assert_equals(stream.getAudioTracks()[0].kind, "audio", "getAudioTracks() returns a sequence of tracks whose kind is 'audio'"); 28 assert_equals(stream.getVideoTracks().length, 0, "the media stream has zero video track"); 29 }, "Tests that a MediaStream with exactly one audio track is returned"); 30 </script> 31 </body> 32 </html>