1 /*
2  * Copyright (C) 2016 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 <netinet/in.h>
18 
19 #include <errno.h>
20 
21 #include <gtest/gtest.h>
22 
23 #include <android-base/macros.h>
24 
25 static constexpr uint16_t le16 = 0x1234;
26 static constexpr uint32_t le32 = 0x12345678;
27 static constexpr uint64_t le64 = 0x123456789abcdef0;
28 
29 static constexpr uint16_t be16 = 0x3412;
30 static constexpr uint32_t be32 = 0x78563412;
31 static constexpr uint64_t be64 = 0xf0debc9a78563412;
32 
TEST(netinet_in,bindresvport)33 TEST(netinet_in, bindresvport) {
34   // This isn't something we can usually test (because you need to be root),
35   // so just check the symbol's there.
36   ASSERT_EQ(-1, bindresvport(-1, nullptr));
37 
38   // Only AF_INET is supported.
39   sockaddr_in sin = {.sin_family = AF_INET6};
40   errno = 0;
41   ASSERT_EQ(-1, bindresvport(-1, &sin));
42   ASSERT_EQ(EPFNOSUPPORT, errno);
43 }
44 
TEST(netinet_in,in6addr_any)45 TEST(netinet_in, in6addr_any) {
46   in6_addr any = IN6ADDR_ANY_INIT;
47   ASSERT_EQ(0, memcmp(&any, &in6addr_any, sizeof(in6addr_any)));
48 }
49 
TEST(netinet_in,in6addr_loopback)50 TEST(netinet_in, in6addr_loopback) {
51   in6_addr loopback = IN6ADDR_LOOPBACK_INIT;
52   ASSERT_EQ(0, memcmp(&loopback, &in6addr_loopback, sizeof(in6addr_loopback)));
53 }
54 
TEST(netinet_in,htons_function)55 TEST(netinet_in, htons_function) {
56   ASSERT_EQ(be16, (htons)(le16));
57 }
58 
TEST(netinet_in,htonl_function)59 TEST(netinet_in, htonl_function) {
60   ASSERT_EQ(be32, (htonl)(le32));
61 }
62 
TEST(netinet_in,htonq_macro)63 TEST(netinet_in, htonq_macro) {
64 #if defined(__BIONIC__)
65   ASSERT_EQ(be64, htonq(le64));
66 #else
67   UNUSED(be64);
68 #endif
69 }
70 
TEST(netinet_in,ntohs_function)71 TEST(netinet_in, ntohs_function) {
72   ASSERT_EQ(le16, (ntohs)(be16));
73 }
74 
TEST(netinet_in,ntohl_function)75 TEST(netinet_in, ntohl_function) {
76   ASSERT_EQ(le32, (ntohl)(be32));
77 }
78 
TEST(netinet_in,ntohq_macro)79 TEST(netinet_in, ntohq_macro) {
80 #if defined(__BIONIC__)
81   ASSERT_EQ(le64, ntohq(be64));
82 #else
83   UNUSED(le64);
84 #endif
85 }
86 
TEST(netinet_in,ip_mreq_source_fields)87 TEST(netinet_in, ip_mreq_source_fields) {
88   // https://issuetracker.google.com/36987220
89   ip_mreq_source mreq;
90   mreq.imr_interface.s_addr = htonl(INADDR_ANY);
91   mreq.imr_multiaddr.s_addr = htonl(INADDR_ANY);
92   mreq.imr_sourceaddr.s_addr = htonl(INADDR_ANY);
93 }
94