| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="./resources/getUserMedia-helper.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| <script> |
| description("Test adding and removing tracks."); |
| |
| var stream1; |
| var streamCopy; |
| var stream2; |
| var audioTrack; |
| var videoTrack; |
| |
| function tryAddTrack(stream, track) { |
| try { |
| stream.addTrack(track); |
| } catch (exception) { |
| testFailed("addTrack threw an exception."); |
| finishJSTest(); |
| } |
| } |
| |
| function tryRemoveTrack(stream, track) { |
| try { |
| stream.removeTrack(track); |
| } catch (exception) { |
| testFailed("removeTrack threw an exception."); |
| finishJSTest(); |
| } |
| } |
| |
| function shouldNotFire() { |
| testFailed("\"addtrack\" or \"removetrack\" events should not fire as a result of local addTrack() or removeTrack() operations."); |
| } |
| |
| function gotStream2(s) { |
| stream2 = s; |
| |
| shouldBe('stream1.active', 'true'); |
| shouldBe('stream1.getAudioTracks().length', '1'); |
| shouldBe('stream1.getVideoTracks().length', '1'); |
| |
| shouldBe('stream2.active', 'true'); |
| shouldBe('stream2.getAudioTracks().length', '1'); |
| shouldBe('stream2.getVideoTracks().length', '1'); |
| |
| stream1.onaddtrack = shouldNotFire; |
| stream1.onremovetrack = shouldNotFire; |
| |
| setTimeout(() => { |
| shouldBe('stream2.active', 'false'); |
| finishJSTest(); |
| }, 1000); |
| |
| audioTrack = stream1.getAudioTracks()[0]; |
| videoTrack = stream1.getVideoTracks()[0]; |
| |
| debug("<br>*** remove an audio track"); |
| tryRemoveTrack(stream1, audioTrack); |
| shouldBe('stream1.getAudioTracks().length', '0'); |
| shouldBeNull('stream1.getTrackById(audioTrack.id)'); |
| |
| debug("<br>*** remove a non-existent (already removed) track (should not throw)"); |
| tryRemoveTrack(stream1, audioTrack); |
| |
| debug("<br>*** add the track back to the stream"); |
| tryAddTrack(stream1, audioTrack); |
| |
| debug("<br>*** remove a video track"); |
| tryRemoveTrack(stream1, videoTrack); |
| shouldBe('stream1.getVideoTracks().length', '0'); |
| shouldBeNull('stream1.getTrackById(videoTrack.id)'); |
| |
| debug("<br>*** remove a non-existent (already removed) track (should not throw)"); |
| tryRemoveTrack(stream1, videoTrack); |
| |
| debug("<br>*** add the track back to the stream"); |
| tryAddTrack(stream1, videoTrack); |
| |
| debug("<br>*** verify added tracks"); |
| shouldBe('stream1.getAudioTracks().length', '1'); |
| shouldBe('stream1.getVideoTracks().length', '1'); |
| shouldBe('stream1.getAudioTracks()[0].kind', 'audioTrack.kind'); |
| shouldBe('stream1.getAudioTracks()[0].label', 'audioTrack.label'); |
| shouldBe('stream1.getVideoTracks()[0].kind', 'videoTrack.kind'); |
| shouldBe('stream1.getVideoTracks()[0].label', 'videoTrack.label'); |
| |
| debug("<br>*** try adding a stream's own tracks again (nothing should happen)"); |
| tryAddTrack(stream1, stream1.getAudioTracks()[0]); |
| tryAddTrack(stream1, stream1.getVideoTracks()[0]); |
| shouldBe('stream1.getAudioTracks().length', '1'); |
| shouldBe('stream1.getVideoTracks().length', '1'); |
| |
| debug("<br>*** add tracks from another stream"); |
| tryAddTrack(stream1, stream2.getAudioTracks()[0]); |
| tryAddTrack(stream1, stream2.getVideoTracks()[0]); |
| |
| debug("<br>*** verify added tracks"); |
| shouldBe('stream1.getAudioTracks().length', '2'); |
| shouldBe('stream1.getVideoTracks().length', '2'); |
| |
| debug("<br>*** remove all tracks, stream will become inactive"); |
| tryRemoveTrack(stream2, stream2.getAudioTracks()[0]); |
| tryRemoveTrack(stream2, stream2.getVideoTracks()[0]); |
| shouldBe('stream2.getAudioTracks().length', '0'); |
| shouldBe('stream2.getVideoTracks().length', '0'); |
| |
| shouldBe('stream2.active', 'false'); |
| } |
| |
| function gotStream1(s) { |
| stream1 = s; |
| |
| streamCopy = new MediaStream(); |
| shouldBe('streamCopy.active', 'false'); |
| streamCopy.addTrack(stream1.getVideoTracks()[0]); |
| shouldBe('streamCopy.active', 'true'); |
| |
| getUserMedia("allow", {audio:true, video:true}, gotStream2); |
| } |
| |
| getUserMedia("allow", {audio:true, video:true}, gotStream1); |
| |
| window.jsTestIsAsync = true; |
| window.successfullyParsed = true; |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
