text: // Copyright (c) 2009 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "net/base/address_list.h"
  
  #include "base/string_util.h"
  #include "net/base/host_resolver_proc.h"
  #include "net/base/net_util.h"
  #if defined(OS_WIN)
  #include "net/base/winsock_init.h"
  #endif
  #include "testing/gtest/include/gtest/gtest.h"
  
  namespace {
  
  // Use getaddrinfo() to allocate an addrinfo structure.
  void CreateAddressList(net::AddressList* addrlist, int port) {
  #if defined(OS_WIN)
    net::EnsureWinsockInit();
  #endif
    int rv = SystemHostResolverProc("192.168.1.1",
                                    net::ADDRESS_FAMILY_UNSPECIFIED,
                                    addrlist);
    EXPECT_EQ(0, rv);
    addrlist->SetPort(port);
  }
  
  TEST(AddressListTest, GetPort) {
    net::AddressList addrlist;
    CreateAddressList(&addrlist, 81);
    EXPECT_EQ(81, addrlist.GetPort());
  
    addrlist.SetPort(83);
    EXPECT_EQ(83, addrlist.GetPort());
  }
  
  TEST(AddressListTest, Assignment) {
    net::AddressList addrlist1;
    CreateAddressList(&addrlist1, 85);
    EXPECT_EQ(85, addrlist1.GetPort());
  
    // Should reference the same data as addrlist1 -- so when we change addrlist1
    // both are changed.
    net::AddressList addrlist2 = addrlist1;
    EXPECT_EQ(85, addrlist2.GetPort());
  
    addrlist1.SetPort(80);
    EXPECT_EQ(80, addrlist1.GetPort());
    EXPECT_EQ(80, addrlist2.GetPort());
  }
  
  TEST(AddressListTest, Copy) {
    net::AddressList addrlist1;
    CreateAddressList(&addrlist1, 85);
    EXPECT_EQ(85, addrlist1.GetPort());
  
    net::AddressList addrlist2;
    addrlist2.Copy(addrlist1.head());
  
    // addrlist1 is the same as addrlist2 at this point.
    EXPECT_EQ(85, addrlist1.GetPort());
    EXPECT_EQ(85, addrlist2.GetPort());
  
    // Changes to addrlist1 are not reflected in addrlist2.
    addrlist1.SetPort(70);
    addrlist2.SetPort(90);
  
    EXPECT_EQ(70, addrlist1.GetPort());
    EXPECT_EQ(90, addrlist2.GetPort());
  }
  
  }  // namespace
  