arpa_inet_test.cpp revision 5c8c88dd8d0a371d30096aa107297ebc23e96a45 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <gtest/gtest.h>
18
19#include <arpa/inet.h>
20
21TEST(arpa_inet, inet_addr) {
22  ASSERT_EQ((htonl)(0x7f000001), inet_addr("127.0.0.1"));
23}
24
25TEST(arpa_inet, inet_aton) {
26  in_addr a;
27  ASSERT_EQ(1, inet_aton("127.0.0.1", &a));
28  ASSERT_EQ((htonl)(0x7f000001), a.s_addr);
29}
30
31TEST(arpa_inet, inet_lnaof) {
32  in_addr a = { htonl(0x12345678) };
33  ASSERT_EQ(0x00345678U, inet_lnaof(a));
34}
35
36TEST(arpa_inet, inet_makeaddr) {
37  in_addr a = inet_makeaddr(0x12U, 0x345678);
38  ASSERT_EQ((htonl)(0x12345678), a.s_addr);
39}
40
41TEST(arpa_inet, inet_netof) {
42  in_addr a = { htonl(0x12345678) };
43  ASSERT_EQ(0x12U, inet_netof(a));
44}
45
46TEST(arpa_inet, inet_network) {
47  ASSERT_EQ(0x7f000001U, inet_network("127.0.0.1"));
48}
49
50TEST(arpa_inet, inet_ntoa) {
51  in_addr a = { (htonl)(0x7f000001) };
52  ASSERT_STREQ("127.0.0.1", inet_ntoa(a));
53}
54
55TEST(arpa_inet, inet_pton__inet_ntop) {
56  sockaddr_storage ss;
57  ASSERT_EQ(1, inet_pton(AF_INET, "127.0.0.1", &ss));
58
59  char s[INET_ADDRSTRLEN];
60  ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss, s, INET_ADDRSTRLEN));
61}
62
63TEST(arpa_inet, inet_ntop_overflow) {
64  // OpenBSD's inet_ntop had a bug where passing a 'size' larger than INET_ADDRSTRLEN
65  // for AF_INET or INET6_ADDRSTRLEN for AF_INET6 would cause inet_ntop to overflow an
66  // internal buffer.
67
68  sockaddr_storage ss4;
69  ASSERT_EQ(1, inet_pton(AF_INET, "127.0.0.1", &ss4));
70
71  sockaddr_storage ss6;
72  ASSERT_EQ(1, inet_pton(AF_INET6, "::1", &ss6));
73
74  char s4[INET_ADDRSTRLEN];
75  char s6[INET6_ADDRSTRLEN];
76  ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss4, s4, INET_ADDRSTRLEN));
77  ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss4, s4, 2*INET_ADDRSTRLEN));
78  ASSERT_STREQ("::1", inet_ntop(AF_INET6, &ss6, s6, INET_ADDRSTRLEN));
79  ASSERT_STREQ("::1", inet_ntop(AF_INET6, &ss6, s6, INET6_ADDRSTRLEN));
80  ASSERT_STREQ("::1", inet_ntop(AF_INET6, &ss6, s6, 2*INET6_ADDRSTRLEN));
81}
82