text: /*
   *  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 "rtc_base/testclient.h"
  
  #include <utility>
  
  #include "absl/memory/memory.h"
  #include "rtc_base/asyncsocket.h"
  #include "rtc_base/asynctcpsocket.h"
  #include "rtc_base/asyncudpsocket.h"
  #include "rtc_base/logging.h"
  #include "rtc_base/nethelpers.h"
  #include "rtc_base/socketserver.h"
  #include "rtc_base/testechoserver.h"
  #include "rtc_base/thread.h"
  #include "test/gtest.h"
  
  namespace rtc {
  namespace {
  
  #define MAYBE_SKIP_IPV4                        \
    if (!HasIPv4Enabled()) {                     \
      RTC_LOG(LS_INFO) << "No IPv4... skipping"; \
      return;                                    \
    }
  
  #define MAYBE_SKIP_IPV6                        \
    if (!HasIPv6Enabled()) {                     \
      RTC_LOG(LS_INFO) << "No IPv6... skipping"; \
      return;                                    \
    }
  
  void TestUdpInternal(const SocketAddress& loopback) {
    Thread* main = Thread::Current();
    AsyncSocket* socket =
        main->socketserver()->CreateAsyncSocket(loopback.family(), SOCK_DGRAM);
    socket->Bind(loopback);
  
    TestClient client(absl::make_unique<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);
    std::unique_ptr<AsyncTCPSocket> tcp_socket = absl::WrapUnique(
        AsyncTCPSocket::Create(socket, loopback, server.address()));
    ASSERT_TRUE(tcp_socket != nullptr);
  
    TestClient client(std::move(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) {
    MAYBE_SKIP_IPV4;
    TestUdpInternal(SocketAddress("127.0.0.1", 0));
  }
  
  #if defined(WEBRTC_LINUX)
  #define MAYBE_TestUdpIPv6 DISABLED_TestUdpIPv6
  #else
  #define MAYBE_TestUdpIPv6 TestUdpIPv6
  #endif
  TEST(TestClientTest, MAYBE_TestUdpIPv6) {
    MAYBE_SKIP_IPV6;
    TestUdpInternal(SocketAddress("::1", 0));
  }
  
  // Tests whether the TestClient can connect to a server and exchange data.
  TEST(TestClientTest, TestTcpIPv4) {
    MAYBE_SKIP_IPV4;
    TestTcpInternal(SocketAddress("127.0.0.1", 0));
  }
  
  #if defined(WEBRTC_LINUX)
  #define MAYBE_TestTcpIPv6 DISABLED_TestTcpIPv6
  #else
  #define MAYBE_TestTcpIPv6 TestTcpIPv6
  #endif
  TEST(TestClientTest, MAYBE_TestTcpIPv6) {
    MAYBE_SKIP_IPV6;
    TestTcpInternal(SocketAddress("::1", 0));
  }
  
  }  // namespace
  }  // namespace rtc
  