<!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 rollback"
  });

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

    addRenegotiation(test.chain,
      [
        // causes a full, normal ice restart
        function PC_LOCAL_SET_OFFER_OPTION(test) {
          test.setOfferOptions({ iceRestart: true });
        },
        // causes an ice restart and then rolls it back
        // (does not result in sending an offer)
        function PC_LOCAL_SETUP_ICE_HANDLER(test) {
          test.pcLocal.setupIceCandidateHandler(test, () => {});
        },
        function PC_LOCAL_CREATE_AND_SET_OFFER(test) {
          return test.createOffer(test.pcLocal).then(offer => {
            return test.setLocalDescription(test.pcLocal,
                                            offer,
                                            HAVE_LOCAL_OFFER);
          });
        },
        function PC_LOCAL_EXPECT_ICE_CONNECTED(test) {
          test.pcLocal.iceCheckingIceRollbackExpected = true;
        },
        function PC_LOCAL_WAIT_FOR_GATHERING(test) {
          return new Promise(r => {
            test.pcLocal._pc.addEventListener("icegatheringstatechange", () => {
              if (test.pcLocal._pc.iceGatheringState == "gathering") {
                r();
              }
            });
          });
        },
        function PC_LOCAL_ROLLBACK(test) {
          return test.setLocalDescription(test.pcLocal,
                                          { type: "rollback", sdp: ""},
                                          STABLE);
        },
        // Rolling back should shut down gathering
        function PC_LOCAL_WAIT_FOR_END_OF_TRICKLE(test) {
          return test.pcLocal.endOfTrickleIce;
        },
        function PC_LOCAL_EXPECT_ICE_CHECKING(test) {
          test.pcLocal.expectIceChecking();
        },
        function PC_REMOTE_EXPECT_ICE_CHECKING(test) {
          test.pcRemote.expectIceChecking();
        }
      ]
    );

    // 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>
