| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>RTCPeerConnection.createDTMFSender</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| promise_test(async function() { |
| let pc1 = new RTCPeerConnection(); |
| let streams = await createStreams({audio:true, video:false}, 1); |
| let stream = streams[0]; |
| let track = stream.getAudioTracks()[0]; |
| let sender = pc1.addTrack(track); |
| let dtmf = pc1.createDTMFSender(track); |
| assert_false(dtmf.canInsertDTMF); |
| let pc2 = new RTCPeerConnection(); |
| exchangeIceCandidates(pc1, pc2); |
| let offer = await pc1.createOffer(); |
| await pc1.setLocalDescription(offer); |
| await pc2.setRemoteDescription(offer); |
| let answer = await pc2.createAnswer(); |
| await pc2.setLocalDescription(answer); |
| await pc1.setRemoteDescription(answer); |
| await new Promise((resolve, reject) => { |
| let counter = 0; |
| let checkfunc = function() { |
| if (dtmf.canInsertDTMF) { |
| resolve(); |
| } else { |
| // Note: Using a short timeout and rejected promise in order to |
| // make test return a clear error message on failure. |
| if (counter >= 100) { |
| reject('Waited too long for canInsertDTMF'); |
| return; |
| } |
| ++counter; |
| step_timeout(checkfunc, 10); |
| } |
| }; |
| checkfunc(); |
| }); |
| assert_true(dtmf.canInsertDTMF); |
| }, 'DTMF sender for an audio track can be created.'); |
| |
| |
| /** |
| * Helper functions. |
| */ |
| |
| function createStreams(constraints, numStreams, streamsSoFar = []) { |
| if (numStreams == 0) { |
| return Promise.resolve(streamsSoFar); |
| } |
| return navigator.mediaDevices.getUserMedia(constraints) |
| .then(function(stream) { |
| return createStreams(constraints, |
| numStreams - 1, |
| streamsSoFar.concat([stream])); |
| }); |
| } |
| |
| function exchangeIceCandidates(pc1, pc2) { |
| // private function |
| function doExchange(localPc, remotePc) { |
| localPc.addEventListener('icecandidate', event => { |
| const { candidate } = event; |
| if(candidate) { |
| remotePc.addIceCandidate(candidate); |
| } |
| }); |
| } |
| |
| doExchange(pc1, pc2); |
| doExchange(pc2, pc1); |
| } |
| |
| </script> |
| </body> |
| </html> |
