1 files changed, 51 insertions, 0 deletions
diff --git a/dom/media/webrtc/tests/mochitests/test_peerConnection_remoteRollback.html b/dom/media/webrtc/tests/mochitests/test_peerConnection_remoteRollback.html
new file mode 100644
index 0000000000..827646b0de
--- /dev/null
+++ b/dom/media/webrtc/tests/mochitests/test_peerConnection_remoteRollback.html
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="pc.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+  createHTML({
+    bug: "952145",
+    title: "Rollback remote offer"
+  });
+
+  runNetworkTest(function (options) {
+    const test = new PeerConnectionTest(options);
+    test.setMediaConstraints([{audio: true}], [{audio: true}]);
+    test.chain.removeAfter('PC_REMOTE_CHECK_CAN_TRICKLE_SYNC');
+    test.chain.append([
+      function PC_REMOTE_ROLLBACK(test) {
+        // We still haven't negotiated the tracks
+        test.pcRemote.expectNegotiationNeeded();
+        return test.setRemoteDescription(test.pcRemote, { type: "rollback" },
+                                         STABLE);
+      },
+
+      function PC_REMOTE_CHECK_CAN_TRICKLE_REVERT_SYNC(test) {
+        is(test.pcRemote._pc.canTrickleIceCandidates, null,
+           "Remote canTrickleIceCandidates is reverted to null");
+      },
+
+      function PC_LOCAL_ROLLBACK(test) {
+        // We still haven't negotiated the tracks
+        test.pcLocal.expectNegotiationNeeded();
+        return test.setLocalDescription(
+          test.pcLocal,
+          new RTCSessionDescription({ type: "rollback", sdp: ""}),
+          STABLE);
+      },
+
+      // Rolling back should shut down gathering
+      function PC_LOCAL_WAIT_FOR_END_OF_TRICKLE(test) {
+        return test.pcLocal.endOfTrickleIce;
+      },
+    ]);
+    test.chain.append(commandsPeerConnectionOfferAnswer);
+    return test.run();
+  });
+</script>
+</pre>
+</body>
+</html>