1 /*
2 * Copyright (C) 2017 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 "android-base/endian.h"
18
19 #include <gtest/gtest.h>
20
TEST(endian,constants)21 TEST(endian, constants) {
22 ASSERT_TRUE(__LITTLE_ENDIAN == LITTLE_ENDIAN);
23 ASSERT_TRUE(__BIG_ENDIAN == BIG_ENDIAN);
24 ASSERT_TRUE(__BYTE_ORDER == BYTE_ORDER);
25
26 ASSERT_EQ(__LITTLE_ENDIAN, __BYTE_ORDER);
27 }
28
TEST(endian,smoke)29 TEST(endian, smoke) {
30 static constexpr uint16_t le16 = 0x1234;
31 static constexpr uint32_t le32 = 0x12345678;
32 static constexpr uint64_t le64 = 0x123456789abcdef0;
33
34 static constexpr uint16_t be16 = 0x3412;
35 static constexpr uint32_t be32 = 0x78563412;
36 static constexpr uint64_t be64 = 0xf0debc9a78563412;
37
38 ASSERT_EQ(be16, htons(le16));
39 ASSERT_EQ(be32, htonl(le32));
40 ASSERT_EQ(be64, htonq(le64));
41
42 ASSERT_EQ(le16, ntohs(be16));
43 ASSERT_EQ(le32, ntohl(be32));
44 ASSERT_EQ(le64, ntohq(be64));
45
46 ASSERT_EQ(be16, htobe16(le16));
47 ASSERT_EQ(be32, htobe32(le32));
48 ASSERT_EQ(be64, htobe64(le64));
49
50 ASSERT_EQ(le16, betoh16(be16));
51 ASSERT_EQ(le32, betoh32(be32));
52 ASSERT_EQ(le64, betoh64(be64));
53
54 ASSERT_EQ(le16, htole16(le16));
55 ASSERT_EQ(le32, htole32(le32));
56 ASSERT_EQ(le64, htole64(le64));
57
58 ASSERT_EQ(le16, letoh16(le16));
59 ASSERT_EQ(le32, letoh32(le32));
60 ASSERT_EQ(le64, letoh64(le64));
61
62 ASSERT_EQ(le16, be16toh(be16));
63 ASSERT_EQ(le32, be32toh(be32));
64 ASSERT_EQ(le64, be64toh(be64));
65
66 ASSERT_EQ(le16, le16toh(le16));
67 ASSERT_EQ(le32, le32toh(le32));
68 ASSERT_EQ(le64, le64toh(le64));
69 }
70