Add the URL attribute to cricket::Candiate.

webrtc/p2p/base/turnport_unittest.cc

Index: webrtc/p2p/base/turnport_unittest.cc
diff --git a/webrtc/p2p/base/turnport_unittest.cc b/webrtc/p2p/base/turnport_unittest.cc
index 69b25ea0d8ef35a00e78eb312fd322cb76e35bee..68e9aa90bf271177ff2ff170ad5882f4b438c994 100644
--- a/webrtc/p2p/base/turnport_unittest.cc
+++ b/webrtc/p2p/base/turnport_unittest.cc
@@ -647,6 +647,41 @@ TEST_F(TurnPortTest, TestTurnPortType) {
   EXPECT_EQ(cricket::RELAY_PORT_TYPE, turn_port_->Type());
 }
 
+// Tests that the URL of the servers can be correctly reconstructed when
+// gathering the candidates.
+TEST_F(TurnPortTest, TestReconstructedServerUrl) {
+  // Connect the TURN server using UDP.
+  CreateTurnPort(kTurnUsername, kTurnPassword, kTurnUdpProtoAddr);
+  turn_port_->PrepareAddress();
+  EXPECT_TRUE_SIMULATED_WAIT(turn_ready_, kSimulatedRtt * 2, fake_clock_);
+  std::string expected_url =
+      "turn:" + kTurnUdpProtoAddr.address.ToString() + "?transport=udp";

[Taylor Brandstetter, 2017/02/10 01:58:46]

See my comment on stunport_unittest.cc

[Zhi Huang, 2017/02/10 06:45:50]

Done.

+  EXPECT_EQ(turn_port_->Candidates()[0].url(), expected_url);
+
+  // Connect the server with IPV6 using UDP.
+  turn_ready_ = false;
+  turn_server_.AddInternalSocket(kTurnUdpIPv6IntAddr, PROTO_UDP);
+  CreateTurnPort(kLocalIPv6Addr, kTurnUsername, kTurnPassword,
+                 kTurnUdpIPv6ProtoAddr);
+  turn_port_->PrepareAddress();
+  EXPECT_TRUE_SIMULATED_WAIT(turn_ready_, kSimulatedRtt * 2, fake_clock_);
+  ASSERT_EQ(1U, turn_port_->Candidates().size());
+  expected_url =
+      "turn:" + kTurnUdpIPv6ProtoAddr.address.ToString() + "?transport=udp";
+  EXPECT_EQ(turn_port_->Candidates()[0].url(), expected_url);
+
+  // Connection the server using TCP.
+  turn_ready_ = false;
+  turn_server_.AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP);
+  CreateTurnPort(kTurnUsername, kTurnPassword, kTurnTcpProtoAddr);
+  turn_port_->PrepareAddress();
+  EXPECT_TRUE_SIMULATED_WAIT(turn_ready_, kSimulatedRtt * 3, fake_clock_);
+  ASSERT_EQ(1U, turn_port_->Candidates().size());
+  expected_url =
+      "turn:" + kTurnTcpProtoAddr.address.ToString() + "?transport=tcp";
+  EXPECT_EQ(turn_port_->Candidates()[0].url(), expected_url);
+}
+
 // Do a normal TURN allocation.
 TEST_F(TurnPortTest, TestTurnAllocate) {
   CreateTurnPort(kTurnUsername, kTurnPassword, kTurnUdpProtoAddr);