Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.

BUG=N/A
R=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17479005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/testclient_unittest.cc b/webrtc/base/testclient_unittest.cc
new file mode 100644
index 0000000..c282668
--- /dev/null
+++ b/webrtc/base/testclient_unittest.cc
@@ -0,0 +1,77 @@
+/*
+ *  Copyright 2006 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.
+ */
+
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/nethelpers.h"
+#include "webrtc/base/physicalsocketserver.h"
+#include "webrtc/base/testclient.h"
+#include "webrtc/base/testechoserver.h"
+#include "webrtc/base/thread.h"
+
+using namespace rtc;
+
+void TestUdpInternal(const SocketAddress& loopback) {
+  Thread *main = Thread::Current();
+  AsyncSocket* socket = main->socketserver()
+      ->CreateAsyncSocket(loopback.family(), SOCK_DGRAM);
+  socket->Bind(loopback);
+
+  TestClient client(new AsyncUDPSocket(socket));
+  SocketAddress addr = client.address(), from;
+  EXPECT_EQ(3, client.SendTo("foo", 3, addr));
+  EXPECT_TRUE(client.CheckNextPacket("foo", 3, &from));
+  EXPECT_EQ(from, addr);
+  EXPECT_TRUE(client.CheckNoPacket());
+}
+
+void TestTcpInternal(const SocketAddress& loopback) {
+  Thread *main = Thread::Current();
+  TestEchoServer server(main, loopback);
+
+  AsyncSocket* socket = main->socketserver()
+      ->CreateAsyncSocket(loopback.family(), SOCK_STREAM);
+  AsyncTCPSocket* tcp_socket = AsyncTCPSocket::Create(
+      socket, loopback, server.address());
+  ASSERT_TRUE(tcp_socket != NULL);
+
+  TestClient client(tcp_socket);
+  SocketAddress addr = client.address(), from;
+  EXPECT_TRUE(client.CheckConnected());
+  EXPECT_EQ(3, client.Send("foo", 3));
+  EXPECT_TRUE(client.CheckNextPacket("foo", 3, &from));
+  EXPECT_EQ(from, server.address());
+  EXPECT_TRUE(client.CheckNoPacket());
+}
+
+// Tests whether the TestClient can send UDP to itself.
+TEST(TestClientTest, TestUdpIPv4) {
+  TestUdpInternal(SocketAddress("127.0.0.1", 0));
+}
+
+TEST(TestClientTest, TestUdpIPv6) {
+  if (HasIPv6Enabled()) {
+    TestUdpInternal(SocketAddress("::1", 0));
+  } else {
+    LOG(LS_INFO) << "Skipping IPv6 test.";
+  }
+}
+
+// Tests whether the TestClient can connect to a server and exchange data.
+TEST(TestClientTest, TestTcpIPv4) {
+  TestTcpInternal(SocketAddress("127.0.0.1", 0));
+}
+
+TEST(TestClientTest, TestTcpIPv6) {
+  if (HasIPv6Enabled()) {
+    TestTcpInternal(SocketAddress("::1", 0));
+  } else {
+    LOG(LS_INFO) << "Skipping IPv6 test.";
+  }
+}