Modify PeerConnection for end-to-end QuicDataChannel usage

webrtc/api/webrtcsession_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 4257 matching lines @@
   candidate1.set_address(rtc::SocketAddress("1.1.1.1", 5000));
   candidate1.set_component(1);
   JsepIceCandidate ice_candidate(kMediaContentName1, kMediaContentIndex1,
                                  candidate1);
   EXPECT_TRUE(session_->ProcessIceMessage(&ice_candidate));
 
   answer = CreateAnswer();
   SetLocalDescriptionWithoutError(answer);
 }
 
+#ifdef USE_QUIC
+// Test that when the local session description specifies QUIC and is an offer,
+// then QUIC is used.
+TEST_P(WebRtcSessionTest, TestUseQuicTransportWithLocalQuicOffer) {
+  InitWithDtls(GetParam());
+  SessionDescriptionInterface* offer = CreateOffer();
+  offer->description()->set_quic(true);
+  EXPECT_EQ(nullptr, session_->quic_transport_channel());
+  SetLocalDescriptionWithoutError(offer);
+  EXPECT_NE(nullptr, session_->quic_transport_channel());
+  EXPECT_EQ(cricket::DCT_QUIC, session_->data_channel_type());
+}
+
+// Test that when the remote session description specifies QUIC and is an offer,
+// then QUIC is used.
+TEST_P(WebRtcSessionTest, TestUseQuicTransportWithRemoteQuicOffer) {
+  InitWithDtls(GetParam());
+  SessionDescriptionInterface* offer = CreateOffer();
+  offer->description()->set_quic(true);
+  EXPECT_EQ(nullptr, session_->quic_transport_channel());
+  SetRemoteDescriptionWithoutError(offer);
+  EXPECT_NE(nullptr, session_->quic_transport_channel());
+  EXPECT_EQ(cricket::DCT_QUIC, session_->data_channel_type());
+}
+#endif  // USE_QUIC
+
 // Flaky on Win and Mac only. See webrtc:4943
 #if defined(WEBRTC_WIN) || defined(WEBRTC_MAC)
 #define MAYBE_TestRtxRemovedByCreateAnswer DISABLED_TestRtxRemovedByCreateAnswer
 #else
 #define MAYBE_TestRtxRemovedByCreateAnswer TestRtxRemovedByCreateAnswer
 #endif
 // Tests that RTX codec is removed from the answer when it isn't supported
 // by local side.
 TEST_F(WebRtcSessionTest, MAYBE_TestRtxRemovedByCreateAnswer) {
   Init();
@@ skipping 106 matching lines @@
 }
 
 // TODO(bemasc): Add a TestIceStatesBundle with BUNDLE enabled.  That test
 // currently fails because upon disconnection and reconnection OnIceComplete is
 // called more than once without returning to IceGatheringGathering.
 
 INSTANTIATE_TEST_CASE_P(WebRtcSessionTests,
                         WebRtcSessionTest,
                         testing::Values(ALREADY_GENERATED,
                                         DTLS_IDENTITY_STORE));