| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| let stream; |
| let audioTrack; |
| let videoTrack; |
| |
| let audioSender; |
| let senderFromAddTrack; |
| |
| description("Test that RTCPeerConnection.addTrack reuses an unused sender of the same kind if present"); |
| |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| else { |
| debug("This test can not be run without the testRunner"); |
| finishJSTest(); |
| } |
| |
| const pc = new RTCPeerConnection({iceServers:[{urls:'stun:foo.com'}]}); |
| const remotePc = new RTCPeerConnection({iceServers:[{urls:'stun:foo.com'}]}); |
| |
| navigator.mediaDevices.getUserMedia({ "audio": true, "video": true }) |
| .then(function (s) { |
| stream = s; |
| |
| audioTrack = stream.getAudioTracks()[0]; |
| videoTrack = stream.getVideoTracks()[0]; |
| |
| remotePc.addTrack(audioTrack, stream); |
| return remotePc.createOffer(); |
| }) |
| .then(function (audioOffer) { |
| return pc.setRemoteDescription(audioOffer); |
| }) |
| .then(function () { |
| debug("*** Remote description with audio offer set"); |
| |
| shouldBe("pc.getSenders().length", "1"); |
| shouldBe("pc.getReceivers().length", "1"); |
| shouldBe("pc.getReceivers()[0].track.kind", "'audio'"); |
| shouldBe("pc.getTransceivers().length", "1"); |
| |
| debug("<br>*** Check unused sender"); |
| evalAndLog("audioSender = pc.getSenders()[0]"); |
| shouldBe("audioSender.track", "null"); |
| |
| debug("<br>*** Adding a video track should not reuse audioSender (wrong kind)"); |
| evalAndLog("senderFromAddTrack = pc.addTrack(videoTrack, stream)"); |
| shouldNotBe("senderFromAddTrack", "audioSender"); |
| |
| debug("<br>*** An extra sender should have been added"); |
| shouldBe("pc.getSenders().length", "2"); |
| shouldBeTrue("pc.getSenders().includes(audioSender)"); |
| shouldBeTrue("pc.getSenders().includes(senderFromAddTrack)"); |
| |
| debug("<br>*** Adding an audio track should reuse audioSender"); |
| evalAndLog("senderFromAddTrack = pc.addTrack(audioTrack, stream)"); |
| shouldBe("senderFromAddTrack", "audioSender"); |
| shouldBe("audioSender.track", "audioTrack"); |
| |
| debug("<br>*** The number of senders should not have changed"); |
| shouldBe("pc.getSenders().length", "2"); |
| |
| finishJSTest(); |
| }) |
| .catch(function (error) { |
| testFailed("Error in promise chain: " + error); |
| finishJSTest(); |
| }); |
| |
| window.jsTestIsAsync = true; |
| window.successfullyParsed = true; |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
