net/socket/tcp_client_socket_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // This file contains some tests for TCPClientSocket.
   6 // transport_client_socket_unittest.cc contans some other tests that
   7 // are common for TCP and other types of sockets.
   8
   9 #include "net/socket/tcp_client_socket.h"
  10
  11 #include "net/base/ip_endpoint.h"
  12 #include "net/base/net_errors.h"
  13 #include "net/base/net_util.h"
  14 #include "net/base/test_completion_callback.h"
  15 #include "net/socket/tcp_server_socket.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17
  18 namespace net {
  19
  20 namespace {
  21
  22 // Try binding a socket to loopback interface and verify that we can
  23 // still connect to a server on the same interface.
  24 TEST(TCPClientSocketTest, BindLoopbackToLoopback) {
  25   IPAddressNumber lo_address;
  26   ASSERT_TRUE(ParseIPLiteralToNumber("127.0.0.1", &lo_address));
  27
  28   TCPServerSocket server(NULL, NetLog::Source());
  29   ASSERT_EQ(OK, server.Listen(IPEndPoint(lo_address, 0), 1));
  30   IPEndPoint server_address;
  31   ASSERT_EQ(OK, server.GetLocalAddress(&server_address));
  32
  33   TCPClientSocket socket(AddressList(server_address), NULL, NetLog::Source());
  34
  35   EXPECT_EQ(OK, socket.Bind(IPEndPoint(lo_address, 0)));
  36
  37   IPEndPoint local_address_result;
  38   EXPECT_EQ(OK, socket.GetLocalAddress(&local_address_result));
  39   EXPECT_EQ(lo_address, local_address_result.address());
  40
  41   TestCompletionCallback connect_callback;
  42   EXPECT_EQ(ERR_IO_PENDING, socket.Connect(connect_callback.callback()));
  43
  44   TestCompletionCallback accept_callback;
  45   scoped_ptr<StreamSocket> accepted_socket;
  46   int result = server.Accept(&accepted_socket, accept_callback.callback());
  47   if (result == ERR_IO_PENDING)
  48     result = accept_callback.WaitForResult();
  49   ASSERT_EQ(OK, result);
  50
  51   EXPECT_EQ(OK, connect_callback.WaitForResult());
  52
  53   EXPECT_TRUE(socket.IsConnected());
  54   socket.Disconnect();
  55   EXPECT_FALSE(socket.IsConnected());
  56   EXPECT_EQ(ERR_SOCKET_NOT_CONNECTED,
  57             socket.GetLocalAddress(&local_address_result));
  58 }
  59
  60 // Try to bind socket to the loopback interface and connect to an
  61 // external address, verify that connection fails.
  62 TEST(TCPClientSocketTest, BindLoopbackToExternal) {
  63   IPAddressNumber external_ip;
  64   ASSERT_TRUE(ParseIPLiteralToNumber("72.14.213.105", &external_ip));
  65   TCPClientSocket socket(AddressList::CreateFromIPAddress(external_ip, 80),
  66                          NULL, NetLog::Source());
  67
  68   IPAddressNumber lo_address;
  69   ASSERT_TRUE(ParseIPLiteralToNumber("127.0.0.1", &lo_address));
  70   EXPECT_EQ(OK, socket.Bind(IPEndPoint(lo_address, 0)));
  71
  72   TestCompletionCallback connect_callback;
  73   int result = socket.Connect(connect_callback.callback());
  74   if (result == ERR_IO_PENDING)
  75     result = connect_callback.WaitForResult();
  76
  77   // We may get different errors here on different system, but
  78   // connect() is not expected to succeed.
  79   EXPECT_NE(OK, result);
  80 }
  81
  82 // Bind a socket to the IPv4 loopback interface and try to connect to
  83 // the IPv6 loopback interface, verify that connection fails.
  84 TEST(TCPClientSocketTest, BindLoopbackToIPv6) {
  85   IPAddressNumber ipv6_lo_ip;
  86   ASSERT_TRUE(ParseIPLiteralToNumber("::1", &ipv6_lo_ip));
  87   TCPServerSocket server(NULL, NetLog::Source());
  88   int listen_result = server.Listen(IPEndPoint(ipv6_lo_ip, 0), 1);
  89   if (listen_result != OK) {
  90     LOG(ERROR) << "Failed to listen on ::1 - probably because IPv6 is disabled."
  91         " Skipping the test";
  92     return;
  93   }
  94
  95   IPEndPoint server_address;
  96   ASSERT_EQ(OK, server.GetLocalAddress(&server_address));
  97   TCPClientSocket socket(AddressList(server_address), NULL, NetLog::Source());
  98
  99   IPAddressNumber ipv4_lo_ip;
 100   ASSERT_TRUE(ParseIPLiteralToNumber("127.0.0.1", &ipv4_lo_ip));
 101   EXPECT_EQ(OK, socket.Bind(IPEndPoint(ipv4_lo_ip, 0)));
 102
 103   TestCompletionCallback connect_callback;
 104   int result = socket.Connect(connect_callback.callback());
 105   if (result == ERR_IO_PENDING)
 106     result = connect_callback.WaitForResult();
 107
 108   EXPECT_NE(OK, result);
 109 }
 110
 111 }  // namespace
 112
 113 }  // namespace net