Properly handle different transports having different SSL roles.

webrtc/p2p/base/transportcontroller_unittest.cc

 /*
  *  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 244 matching lines @@
   channel1->SignalRoleConflict(channel1);
   EXPECT_EQ(cricket::ICEROLE_CONTROLLED, channel1->GetIceRole());
   EXPECT_EQ(cricket::ICEROLE_CONTROLLED, channel2->GetIceRole());
 }
 
 TEST_F(TransportControllerTest, TestGetSslRole) {
   FakeTransportChannel* channel = CreateChannel("audio", 1);
   ASSERT_NE(nullptr, channel);
   ASSERT_TRUE(channel->SetSslRole(rtc::SSL_CLIENT));
   rtc::SSLRole role;
-  EXPECT_TRUE(transport_controller_->GetSslRole(&role));
+  EXPECT_FALSE(transport_controller_->GetSslRole("video", &role));
+  EXPECT_TRUE(transport_controller_->GetSslRole("audio", &role));
   EXPECT_EQ(rtc::SSL_CLIENT, role);
 }
 
 TEST_F(TransportControllerTest, TestSetAndGetLocalCertificate) {
   rtc::scoped_refptr<rtc::RTCCertificate> certificate1 =
       rtc::RTCCertificate::Create(rtc::scoped_ptr<rtc::SSLIdentity>(
           rtc::SSLIdentity::Generate("session1", rtc::KT_DEFAULT)));
   rtc::scoped_refptr<rtc::RTCCertificate> certificate2 =
       rtc::RTCCertificate::Create(rtc::scoped_ptr<rtc::SSLIdentity>(
           rtc::SSLIdentity::Generate("session2", rtc::KT_DEFAULT)));
@@ skipping 400 matching lines @@
   // new --> gathering --> complete
   EXPECT_EQ_WAIT(cricket::kIceGatheringComplete, gathering_state_, kTimeout);
   EXPECT_EQ(2, gathering_state_signal_count_);
 
   EXPECT_EQ_WAIT(1U, candidates_["audio"].size(), kTimeout);
   EXPECT_EQ_WAIT(1U, candidates_["video"].size(), kTimeout);
   EXPECT_EQ(2, candidates_signal_count_);
 
   EXPECT_TRUE(!signaled_on_non_signaling_thread_);
 }