objc wrapper for PeerConnection::SetBitrate

webrtc/sdk/objc/Framework/UnitTests/RTCPeerConnectionTest.mm

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 41 matching lines @@
 
   RTCMediaConstraints *contraints = [[RTCMediaConstraints alloc] initWithMandatoryConstraints:@{}
       optionalConstraints:nil];
   RTCPeerConnectionFactory *factory = [[RTCPeerConnectionFactory alloc] init];
 
   RTCConfiguration *newConfig;
   @autoreleasepool {
     RTCPeerConnection *peerConnection =
         [factory peerConnectionWithConfiguration:config constraints:contraints delegate:nil];
     newConfig = peerConnection.configuration;
+
+    EXPECT_TRUE([peerConnection setBitrate:nullptr toCurrent:nullptr toMax:nullptr]);

[Zach Stein, 2017/05/12 20:27:05]

Maybe [peerConnection setBitrateMinBpsTo:x currentBpsTo:y maxBpsTo:z] is better.

+    EXPECT_FALSE(
+        [peerConnection setBitrate:nullptr toCurrent:[NSNumber numberWithInt:1] toMax:nullptr]);
   }
+
   EXPECT_EQ([config.iceServers count], [newConfig.iceServers count]);
   RTCIceServer *newServer = newConfig.iceServers[0];
   RTCIceServer *origServer = config.iceServers[0];
   std::string origUrl = origServer.urlStrings.firstObject.UTF8String;
   std::string url = newServer.urlStrings.firstObject.UTF8String;
   EXPECT_EQ(origUrl, url);
 
   EXPECT_EQ(config.iceTransportPolicy, newConfig.iceTransportPolicy);
   EXPECT_EQ(config.bundlePolicy, newConfig.bundlePolicy);
   EXPECT_EQ(config.rtcpMuxPolicy, newConfig.rtcpMuxPolicy);
@@ skipping 11 matching lines @@
 @end
 
 TEST(RTCPeerConnectionTest, ConfigurationGetterTest) {
   @autoreleasepool {
     RTCPeerConnectionTest *test = [[RTCPeerConnectionTest alloc] init];
     [test testConfigurationGetter];
   }
 }