netdb_test.cpp revision 4912fc7d152236cb496aec01eb5800cfd1b757c7 
1/*
2 * Copyright (C) 2013 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 <sys/types.h>
20#include <sys/socket.h>
21#include <netdb.h>
22#include <netinet/in.h>
23
24TEST(netdb, getaddrinfo_NULL_hints) {
25  addrinfo* ai = NULL;
26  ASSERT_EQ(0, getaddrinfo("localhost", "9999", NULL, &ai));
27  freeaddrinfo(ai);
28}
29
30TEST(netdb, getnameinfo_salen) {
31  sockaddr_storage ss;
32  memset(&ss, 0, sizeof(ss));
33  sockaddr* sa = reinterpret_cast<sockaddr*>(&ss);
34  char tmp[16];
35
36  ss.ss_family = AF_INET;
37  socklen_t too_much = sizeof(ss);
38  socklen_t just_right = sizeof(sockaddr_in);
39  socklen_t too_little = sizeof(sockaddr_in) - 1;
40
41  ASSERT_EQ(0, getnameinfo(sa, too_much, tmp, sizeof(tmp), NULL, 0, NI_NUMERICHOST));
42  ASSERT_STREQ("0.0.0.0", tmp);
43  ASSERT_EQ(0, getnameinfo(sa, just_right, tmp, sizeof(tmp), NULL, 0, NI_NUMERICHOST));
44  ASSERT_STREQ("0.0.0.0", tmp);
45  ASSERT_EQ(EAI_FAMILY, getnameinfo(sa, too_little, tmp, sizeof(tmp), NULL, 0, NI_NUMERICHOST));
46
47  ss.ss_family = AF_INET6;
48  just_right = sizeof(sockaddr_in6);
49  too_little = sizeof(sockaddr_in6) - 1;
50  too_much = just_right + 1;
51
52  ASSERT_EQ(0, getnameinfo(sa, too_much, tmp, sizeof(tmp), NULL, 0, NI_NUMERICHOST));
53  ASSERT_STREQ("::", tmp);
54  ASSERT_EQ(0, getnameinfo(sa, just_right, tmp, sizeof(tmp), NULL, 0, NI_NUMERICHOST));
55  ASSERT_STREQ("::", tmp);
56  ASSERT_EQ(EAI_FAMILY, getnameinfo(sa, too_little, tmp, sizeof(tmp), NULL, 0, NI_NUMERICHOST));
57}
58
59TEST(netdb, gethostbyname) {
60  hostent* hent = gethostbyname("localhost");
61  ASSERT_TRUE(hent != NULL);
62  ASSERT_EQ(hent->h_addrtype, AF_INET);
63  ASSERT_EQ(hent->h_addr[0], 127);
64  ASSERT_EQ(hent->h_addr[1], 0);
65  ASSERT_EQ(hent->h_addr[2], 0);
66  ASSERT_EQ(hent->h_addr[3], 1);
67}
68