| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="./resources/getUserMedia-helper.js"></script> |
| <script> |
| |
| var stream1; |
| var stream2; |
| var audioTrack; |
| var videoTrack; |
| var allTracks; |
| var id; |
| |
| function tryAddTrack(stream, track) |
| { |
| try { |
| stream.addTrack(track); |
| testPassed("track added to stream."); |
| } catch (exception) { |
| testFailed("addTrack threw an exception."); |
| finishJSTest(); |
| } |
| } |
| |
| function createStreamAndAddTracks() |
| { |
| shouldBe('stream2.getTracks().length', '2'); |
| |
| debug('getAudioTracks(), getVideoTracks() and getTracks() must return a new sequence at every invocation'); |
| shouldBeTrue('stream2.getAudioTracks() != stream2.getAudioTracks()'); |
| shouldBeTrue('stream2.getVideoTracks() != stream2.getVideoTracks()'); |
| shouldBeTrue('stream2.getTracks() != stream2.getTracks()'); |
| |
| audioTrack = stream1.getAudioTracks()[0]; |
| tryAddTrack(stream2, audioTrack); |
| shouldBe('stream2.getAudioTracks().length', '2'); |
| shouldBe('stream2.getVideoTracks().length', '1'); |
| shouldBe('stream2.getTracks().length', '3'); |
| videoTrack = stream1.getVideoTracks()[0]; |
| tryAddTrack(stream2, videoTrack); |
| shouldBe('stream2.getAudioTracks().length', '2'); |
| shouldBe('stream2.getVideoTracks().length', '2'); |
| allTracks = stream2.getTracks(); |
| shouldBe('allTracks.length', '4'); |
| allTracks.forEach(function (track) { |
| id = track.id; |
| shouldBeNonNull('stream2.getTrackById(id)'); |
| }) |
| shouldBeNull('stream2.getTrackById("foo-id")'); |
| |
| finishJSTest(); |
| } |
| |
| function gotStream2(s) |
| { |
| stream2 = s; |
| createStreamAndAddTracks(); |
| } |
| |
| function gotStream1(s) |
| { |
| stream1 = s; |
| shouldBe('stream1.getTracks().length', '2'); |
| getUserMedia("allow", {audio:true, video:true}, gotStream2); |
| } |
| |
| function startMedia() |
| { |
| description("Test the different methods to get tracks from a MediaStream."); |
| getUserMedia("allow", {audio:true, video:true}, gotStream1); |
| } |
| window.jsTestIsAsync = true; |
| window.successfullyParsed = true; |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </head> |
| <body onload="startMedia()"> |
| <p id="description"></p> |
| <div id="console"></div> |
| </body> |
| </html> |
