| <!doctype html> |
| <html> |
| <head> |
| <title>getUserMedia({video:true}) creates a stream with one video track</title> |
| <link rel="author" title="Dominique Hazael-Massieux" href="mailto:[email protected]"/> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-NavigatorUserMedia-getUserMedia-void-MediaStreamConstraints-constraints-NavigatorUserMediaSuccessCallback-successCallback-NavigatorUserMediaErrorCallback-errorCallback"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-kind"> |
| </head> |
| <body> |
| <p class="instructions">When prompted, accept to share your video stream.</p> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks that the MediaStream object returned by |
| the success callback in getUserMedia has exactly one video track and no audio.</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> |
| promise_test(async () => { |
| await setMediaPermission("granted", ["camera"]); |
| const stream = await navigator.mediaDevices.getUserMedia({video: true}); |
| assert_true(stream instanceof MediaStream, "getUserMedia success callback comes with a MediaStream object"); |
| assert_equals(stream.getAudioTracks().length, 0, "the media stream has zero audio track"); |
| assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track"); |
| assert_equals(stream.getVideoTracks()[0].kind, "video", "getAudioTracks() returns a sequence of tracks whose kind is 'video'"); |
| }, "Tests that a MediaStream with at least one video track is returned"); |
| </script> |
| </body> |
| </html> |
