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Mercurial (05f4ac2d6dd6)

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<!DOCTYPE HTML>
<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 new Promise(resolve => setTimeout(resolve, 1000));
  networkTestFinished();
};

runNetworkTest(test);

</script>
</pre>
</body>
</html>