1// Copyright (c) 2011 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#include "net/base/ip_endpoint.h"
6
7#include "base/string_number_conversions.h"
8#include "net/base/net_util.h"
9#include "testing/gtest/include/gtest/gtest.h"
10#include "testing/platform_test.h"
11#if defined(OS_WIN)
12#include <winsock2.h>
13#elif defined(OS_POSIX)
14#include <netinet/in.h>
15#endif
16
17namespace net {
18
19namespace {
20
21struct TestData {
22  std::string host;
23  std::string host_normalized;
24  bool ipv6;
25  IPAddressNumber ip_address;
26} tests[] = {
27  { "127.0.00.1", "127.0.0.1", false},
28  { "192.168.1.1", "192.168.1.1", false },
29  { "::1", "[::1]", true },
30  { "2001:db8:0::42", "[2001:db8::42]", true },
31};
32int test_count = ARRAYSIZE_UNSAFE(tests);
33
34class IPEndPointTest : public PlatformTest {
35 public:
36  virtual void SetUp() {
37    // This is where we populate the TestData.
38    for (int index = 0; index < test_count; ++index) {
39      EXPECT_TRUE(ParseIPLiteralToNumber(tests[index].host,
40          &tests[index].ip_address));
41    }
42  }
43};
44
45TEST_F(IPEndPointTest, Constructor) {
46  IPEndPoint endpoint;
47  EXPECT_EQ(0, endpoint.port());
48
49  for (int index = 0; index < test_count; ++index) {
50    IPEndPoint endpoint(tests[index].ip_address, 80);
51    EXPECT_EQ(80, endpoint.port());
52    EXPECT_EQ(tests[index].ip_address, endpoint.address());
53  }
54}
55
56TEST_F(IPEndPointTest, Assignment) {
57  for (int index = 0; index < test_count; ++index) {
58    IPEndPoint src(tests[index].ip_address, index);
59    IPEndPoint dest = src;
60
61    EXPECT_EQ(src.port(), dest.port());
62    EXPECT_EQ(src.address(), dest.address());
63  }
64}
65
66TEST_F(IPEndPointTest, Copy) {
67  for (int index = 0; index < test_count; ++index) {
68    IPEndPoint src(tests[index].ip_address, index);
69    IPEndPoint dest(src);
70
71    EXPECT_EQ(src.port(), dest.port());
72    EXPECT_EQ(src.address(), dest.address());
73  }
74}
75
76TEST_F(IPEndPointTest, ToFromSockAddr) {
77  for (int index = 0; index < test_count; ++index) {
78    IPEndPoint ip_endpoint(tests[index].ip_address, index);
79
80    // Convert to a sockaddr.
81    struct sockaddr_storage addr;
82    size_t addr_len = sizeof(addr);
83    struct sockaddr* sockaddr = reinterpret_cast<struct sockaddr*>(&addr);
84    EXPECT_TRUE(ip_endpoint.ToSockAddr(sockaddr, &addr_len));
85
86    // Basic verification.
87    size_t expected_size = tests[index].ipv6 ?
88        sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in);
89    EXPECT_EQ(expected_size, addr_len);
90    EXPECT_EQ(ip_endpoint.port(), GetPortFromSockaddr(sockaddr, addr_len));
91
92    // And convert back to an IPEndPoint.
93    IPEndPoint ip_endpoint2;
94    EXPECT_TRUE(ip_endpoint2.FromSockAddr(sockaddr, addr_len));
95    EXPECT_EQ(ip_endpoint.port(), ip_endpoint2.port());
96    EXPECT_EQ(ip_endpoint.address(), ip_endpoint2.address());
97  }
98}
99
100TEST_F(IPEndPointTest, ToSockAddrBufTooSmall) {
101  for (int index = 0; index < test_count; ++index) {
102    IPEndPoint ip_endpoint(tests[index].ip_address, index);
103
104    struct sockaddr_storage addr;
105    size_t addr_len = index;  // size is too small!
106    struct sockaddr* sockaddr = reinterpret_cast<struct sockaddr*>(&addr);
107    EXPECT_FALSE(ip_endpoint.ToSockAddr(sockaddr, &addr_len));
108  }
109}
110
111TEST_F(IPEndPointTest, Equality) {
112  for (int index = 0; index < test_count; ++index) {
113    IPEndPoint src(tests[index].ip_address, index);
114    IPEndPoint dest(src);
115    EXPECT_TRUE(src == dest);
116  }
117}
118
119TEST_F(IPEndPointTest, LessThan) {
120  // Vary by port.
121  IPEndPoint ip_endpoint1(tests[0].ip_address, 100);
122  IPEndPoint ip_endpoint2(tests[0].ip_address, 1000);
123  EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
124  EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
125
126  // IPv4 vs IPv6
127  ip_endpoint1 = IPEndPoint(tests[0].ip_address, 81);
128  ip_endpoint2 = IPEndPoint(tests[2].ip_address, 80);
129  EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
130  EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
131
132  // IPv4 vs IPv4
133  ip_endpoint1 = IPEndPoint(tests[0].ip_address, 81);
134  ip_endpoint2 = IPEndPoint(tests[1].ip_address, 80);
135  EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
136  EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
137
138  // IPv6 vs IPv6
139  ip_endpoint1 = IPEndPoint(tests[2].ip_address, 81);
140  ip_endpoint2 = IPEndPoint(tests[3].ip_address, 80);
141  EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
142  EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
143
144  // Compare equivalent endpoints.
145  ip_endpoint1 = IPEndPoint(tests[0].ip_address, 80);
146  ip_endpoint2 = IPEndPoint(tests[0].ip_address, 80);
147  EXPECT_FALSE(ip_endpoint1 < ip_endpoint2);
148  EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
149}
150
151TEST_F(IPEndPointTest, ToString) {
152  IPEndPoint endpoint;
153  EXPECT_EQ(0, endpoint.port());
154
155  for (int index = 0; index < test_count; ++index) {
156    int port = 100 + index;
157    IPEndPoint endpoint(tests[index].ip_address, port);
158    const std::string result = endpoint.ToString();
159    if (tests[index].ipv6 && result.empty()) {
160      // NetAddressToStringWithPort may fail on systems without IPv6.
161      continue;
162    }
163    EXPECT_EQ(tests[index].host_normalized + ":" + base::IntToString(port),
164              result);
165  }
166}
167
168}  // namespace
169
170}  // namespace net
171