Revert of Relanding: Implement RTCConfiguration.iceCandidatePoolSize.

webrtc/api/webrtcsession_unittest.cc

Index: webrtc/api/webrtcsession_unittest.cc
diff --git a/webrtc/api/webrtcsession_unittest.cc b/webrtc/api/webrtcsession_unittest.cc
index ae11b4613d86f3610c30822fb54c58005d0f6e56..34d82582c61ad54df6aa99641ae819e18dd74e6d 100644
--- a/webrtc/api/webrtcsession_unittest.cc
+++ b/webrtc/api/webrtcsession_unittest.cc
@@ -405,6 +405,12 @@
 
   void Init() { Init(nullptr); }
 
+  void InitWithIceTransport(
+      PeerConnectionInterface::IceTransportsType ice_transport_type) {
+    configuration_.type = ice_transport_type;
+    Init();
+  }
+
   void InitWithBundlePolicy(
       PeerConnectionInterface::BundlePolicy bundle_policy) {
     configuration_.bundle_policy = bundle_policy;
@@ -1519,6 +1525,50 @@
   EXPECT_EQ(6u, observer_.mline_1_candidates_.size());
 }
 
+// Test session delivers no candidates gathered when constraint set to "none".
+TEST_F(WebRtcSessionTest, TestIceTransportsNone) {
+  AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort));
+  InitWithIceTransport(PeerConnectionInterface::kNone);
+  SendAudioVideoStream1();
+  InitiateCall();
+  EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout);
+  EXPECT_EQ(0u, observer_.mline_0_candidates_.size());
+  EXPECT_EQ(0u, observer_.mline_1_candidates_.size());
+}
+
+// Test session delivers only relay candidates gathered when constaint set to
+// "relay".
+TEST_F(WebRtcSessionTest, TestIceTransportsRelay) {
+  AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort));
+  ConfigureAllocatorWithTurn();
+  InitWithIceTransport(PeerConnectionInterface::kRelay);
+  SendAudioVideoStream1();
+  InitiateCall();
+  EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout);
+  EXPECT_EQ(2u, observer_.mline_0_candidates_.size());
+  EXPECT_EQ(2u, observer_.mline_1_candidates_.size());
+  for (size_t i = 0; i < observer_.mline_0_candidates_.size(); ++i) {
+    EXPECT_EQ(cricket::RELAY_PORT_TYPE,
+              observer_.mline_0_candidates_[i].type());
+  }
+  for (size_t i = 0; i < observer_.mline_1_candidates_.size(); ++i) {
+    EXPECT_EQ(cricket::RELAY_PORT_TYPE,
+              observer_.mline_1_candidates_[i].type());
+  }
+}
+
+// Test session delivers all candidates gathered when constaint set to "all".
+TEST_F(WebRtcSessionTest, TestIceTransportsAll) {
+  AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort));
+  InitWithIceTransport(PeerConnectionInterface::kAll);
+  SendAudioVideoStream1();
+  InitiateCall();
+  EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout);
+  // Host + STUN. By default allocator is disabled to gather relay candidates.
+  EXPECT_EQ(4u, observer_.mline_0_candidates_.size());
+  EXPECT_EQ(4u, observer_.mline_1_candidates_.size());
+}
+
 TEST_F(WebRtcSessionTest, SetSdpFailedOnInvalidSdp) {
   Init();
   SessionDescriptionInterface* offer = NULL;