<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
  createHTML({
    bug: "906986",
    title: "Renegotiation: restart ice, local and remote rollback, without a subsequent ICE restart"
  });

  var test;
  runNetworkTest(function (options) {
    test = new PeerConnectionTest(options);

    addRenegotiation(test.chain,
      [
        function PC_LOCAL_SETUP_ICE_HANDLER(test) {
          test.pcLocal.setupIceCandidateHandler(test);
        },
        function PC_REMOTE_SETUP_ICE_HANDLER(test) {
          test.pcRemote.setupIceCandidateHandler(test);
        },

        // causes a full, normal ice restart
        function PC_LOCAL_SET_OFFER_OPTION(test) {
          test.setOfferOptions({ iceRestart: true });
        }
      ]
    );

    test.chain.replaceAfter('PC_REMOTE_CREATE_ANSWER',
      [
        function PC_REMOTE_ROLLBACK(test) {
          return test.setRemoteDescription(test.pcRemote, { type: "rollback" },
                                           STABLE);
        },

        async function PC_LOCAL_ROLLBACK(test) {
          await test.pcLocal.endOfTrickleIce;
          // We haven't negotiated the new stream yet.
          test.pcLocal.expectNegotiationNeeded();
          return test.setLocalDescription(
              test.pcLocal,
              new RTCSessionDescription({ type: "rollback", sdp: ""}),
              STABLE);
        },

        // Rolling back should shut down gathering for the offerer,
        // but because the answerer never set a local description, no ICE
        // gathering has happened yet, so there's no changes to ICE gathering
        // state
        function PC_LOCAL_WAIT_FOR_END_OF_TRICKLE(test) {
          return test.pcLocal.endOfTrickleIce;
        },

        function PC_LOCAL_SET_OFFER_OPTION(test) {
          test.setOfferOptions({ iceRestart: false });
        }
      ],
      1 // Replaces after second PC_REMOTE_CREATE_ANSWER
    );
    test.chain.append(commandsPeerConnectionOfferAnswer);

    // for now, only use one stream, because rollback doesn't seem to
    // like multiple streams.  See bug 1259465.
    test.setMediaConstraints([{audio: true}],
                             [{audio: true}]);
    return test.run();
  });

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