test_peerConnection_telephoneEventFirst.html

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<html>

<head>

  <script type="application/javascript" src="pc.js"></script>

</head>

<body>

<pre id="test">

<script type="application/javascript">

createHTML({

  title: "RTCPeerConnection with telephone-event codec first in SDP",

  bug: "1581898",

  visible: true

});

const test = async () => {

  const pc1 = new RTCPeerConnection();

  const pc2 = new RTCPeerConnection();

  const stream = await navigator.mediaDevices.getUserMedia({audio:true});

  pc1.addTrack(stream.getAudioTracks()[0], stream);

  pc2.addTrack(stream.getAudioTracks()[0], stream);

  const offer = await pc1.createOffer();

  await pc1.setLocalDescription(offer);

  const regex = /^(m=audio \d+ [^ ]+) (.*) 101(.*)$/m;

  // Rewrite offer so payload type 101 comes first

  offer.sdp = offer.sdp.replace(regex, '$1 101 $2 $3');

  ok(offer.sdp.match(/^m=audio \d+ [^ ]+ 101 /m),

     "Payload type 101 should be first on the m-line");

  await pc2.setRemoteDescription(offer);

  const answer = await pc2.createAnswer();

  pc1.onicecandidate = e => { pc2.addIceCandidate(e.candidate); }

  pc2.onicecandidate = e => { pc1.addIceCandidate(e.candidate); }

  await pc1.setRemoteDescription(answer);

  await pc2.setLocalDescription(answer);

  await new Promise(resolve => {

    pc1.oniceconnectionstatechange = e => {

      if (pc1.iceConnectionState == "connected") {

        resolve();

};

});

  await wait(1000);

};

runNetworkTest(test);

</script>

</pre>

</body>

</html>