Adding GetConfiguration to PeerConnection.

webrtc/api/peerconnectioninterface_unittest.cc

 /*
  *  Copyright 2012 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 1148 matching lines @@
   cricket::FakePortAllocator* raw_port_allocator = port_allocator.get();
   PeerConnectionInterface::RTCConfiguration config;
   rtc::scoped_refptr<PeerConnectionInterface> pc(
       pc_factory->CreatePeerConnection(
           config, nullptr, std::move(port_allocator), nullptr, &observer_));
   // FakePortAllocator RTC_CHECKs that it's initialized on the right thread,
   // so all we have to do here is check that it's initialized.
   EXPECT_TRUE(raw_port_allocator->initialized());
 }
 
+// Check that GetConfiguration returns the configuration the PeerConnection was
+// constructed with, before SetConfiguration is called.
+TEST_F(PeerConnectionInterfaceTest, GetConfigurationAfterCreatePeerConnection) {
+  PeerConnectionInterface::RTCConfiguration config;
+  config.type = PeerConnectionInterface::kRelay;
+  CreatePeerConnection(config, nullptr);
+
+  PeerConnectionInterface::RTCConfiguration returned_config =
+      pc_->GetConfiguration();
+  EXPECT_EQ(PeerConnectionInterface::kRelay, returned_config.type);
+}
+
+// Check that GetConfiguration returns the last configuration passed into
+// SetConfiguration.
+TEST_F(PeerConnectionInterfaceTest, GetConfigurationAfterSetConfiguration) {
+  CreatePeerConnection();
+
+  PeerConnectionInterface::RTCConfiguration config;
+  config.type = PeerConnectionInterface::kRelay;
+  EXPECT_TRUE(pc_->SetConfiguration(config));
+
+  PeerConnectionInterface::RTCConfiguration returned_config =
+      pc_->GetConfiguration();
+  EXPECT_EQ(PeerConnectionInterface::kRelay, returned_config.type);
+}
+
 TEST_F(PeerConnectionInterfaceTest, AddStreams) {
   CreatePeerConnection();
   AddVideoStream(kStreamLabel1);
   AddVoiceStream(kStreamLabel2);
   ASSERT_EQ(2u, pc_->local_streams()->count());
 
   // Test we can add multiple local streams to one peerconnection.
   rtc::scoped_refptr<MediaStreamInterface> stream(
       pc_factory_->CreateLocalMediaStream(kStreamLabel3));
   rtc::scoped_refptr<AudioTrackInterface> audio_track(
@@ skipping 1713 matching lines @@
   FakeConstraints updated_answer_c;
   answer_c.SetMandatoryReceiveAudio(false);
   answer_c.SetMandatoryReceiveVideo(false);
 
   cricket::MediaSessionOptions updated_answer_options;
   EXPECT_TRUE(
       ParseConstraintsForAnswer(&updated_answer_c, &updated_answer_options));
   EXPECT_TRUE(updated_answer_options.has_audio());
   EXPECT_TRUE(updated_answer_options.has_video());
 }