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git.proxmox.com Git - ovs.git/blob - tests/test-byte-order.c
2 * Copyright (c) 2010, 2011 Nicira, Inc.
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:
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include "byte-order.h"
25 test_byte_order_main(int argc OVS_UNUSED
, char *argv
[] OVS_UNUSED
)
28 /* I picked some random numbers. */
29 const uint16_t s
= 0xc9bd;
30 const uint32_t l
= 0xffe56ae8;
31 const uint64_t ll
= UINT64_C(0xb6fe878a9117ecdb);
33 assert(htons(ntohs(s
)) == s
);
34 assert(ntohs(htons(s
)) == s
);
35 assert(CONSTANT_HTONS(ntohs(s
)) == s
);
36 assert(ntohs(CONSTANT_HTONS(s
)) == s
);
37 assert(ntohs(CONSTANT_HTONS(l
)) == (uint16_t) l
);
38 assert(ntohs(CONSTANT_HTONS(ll
)) == (uint16_t) ll
);
40 assert(htonl(ntohl(l
)) == l
);
41 assert(ntohl(htonl(l
)) == l
);
42 assert(CONSTANT_HTONL(ntohl(l
)) == l
);
43 assert(ntohl(CONSTANT_HTONL(l
)) == l
);
44 assert(ntohl(CONSTANT_HTONL(ll
)) == (uint32_t) ll
);
46 assert(htonll(ntohll(ll
)) == ll
);
47 assert(ntohll(htonll(ll
)) == ll
);
48 assert(CONSTANT_HTONLL(ntohll(ll
)) == ll
);
49 assert(ntohll(CONSTANT_HTONLL(ll
)));
50 #else /* __CHECKER__ */
51 /* Making sparse happy with this code makes it unreadable, so don't bother. */
55 OVSTEST_REGISTER("test-byte-order", test_byte_order_main
);