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 <endian.h> 18 19 #include <gtest/gtest.h> 20 21 static constexpr uint16_t le16 = 0x1234; 22 static constexpr uint32_t le32 = 0x12345678; 23 static constexpr uint64_t le64 = 0x123456789abcdef0; 24 25 static constexpr uint16_t be16 = 0x3412; 26 static constexpr uint32_t be32 = 0x78563412; 27 static constexpr uint64_t be64 = 0xf0debc9a78563412; 28 29 TEST(endian, constants) { 30 ASSERT_TRUE(__LITTLE_ENDIAN == LITTLE_ENDIAN); 31 ASSERT_TRUE(__BIG_ENDIAN == BIG_ENDIAN); 32 ASSERT_TRUE(__BYTE_ORDER == BYTE_ORDER); 33 34 #if defined(__BIONIC__) 35 ASSERT_TRUE(_LITTLE_ENDIAN == LITTLE_ENDIAN); 36 ASSERT_TRUE(_BIG_ENDIAN == BIG_ENDIAN); 37 ASSERT_TRUE(_BYTE_ORDER == BYTE_ORDER); 38 #endif 39 40 ASSERT_EQ(__LITTLE_ENDIAN, __BYTE_ORDER); 41 } 42 43 TEST(endian, htons_htonl_htonq_macros) { 44 #if defined(__BIONIC__) 45 ASSERT_EQ(be16, htons(le16)); 46 ASSERT_EQ(be32, htonl(le32)); 47 ASSERT_EQ(be64, htonq(le64)); 48 #else 49 GTEST_LOG_(INFO) << "glibc doesn't have these macros"; 50 #endif 51 } 52 53 TEST(endian, ntohs_ntohl_ntohq_macros) { 54 #if defined(__BIONIC__) 55 ASSERT_EQ(le16, ntohs(be16)); 56 ASSERT_EQ(le32, ntohl(be32)); 57 ASSERT_EQ(le64, ntohq(be64)); 58 #else 59 GTEST_LOG_(INFO) << "glibc doesn't have these macros"; 60 #endif 61 } 62 63 TEST(endian, htobe16_htobe32_htobe64) { 64 ASSERT_EQ(be16, htobe16(le16)); 65 ASSERT_EQ(be32, htobe32(le32)); 66 ASSERT_EQ(be64, htobe64(le64)); 67 } 68 69 TEST(endian, htole16_htole32_htole64) { 70 ASSERT_EQ(le16, htole16(le16)); 71 ASSERT_EQ(le32, htole32(le32)); 72 ASSERT_EQ(le64, htole64(le64)); 73 } 74 75 TEST(endian, be16toh_be32toh_be64toh) { 76 ASSERT_EQ(le16, be16toh(be16)); 77 ASSERT_EQ(le32, be32toh(be32)); 78 ASSERT_EQ(le64, be64toh(be64)); 79 } 80 81 TEST(endian, le16toh_le32toh_le64toh) { 82 ASSERT_EQ(le16, le16toh(le16)); 83 ASSERT_EQ(le32, le32toh(le32)); 84 ASSERT_EQ(le64, le64toh(le64)); 85 } 86 87 TEST(endian, betoh16_betoh32_betoh64) { 88 #if defined(__BIONIC__) 89 ASSERT_EQ(le16, betoh16(be16)); 90 ASSERT_EQ(le32, betoh32(be32)); 91 ASSERT_EQ(le64, betoh64(be64)); 92 #else 93 GTEST_LOG_(INFO) << "glibc doesn't have these macros"; 94 #endif 95 } 96 97 TEST(endian, letoh16_letoh32_letoh64) { 98 #if defined(__BIONIC__) 99 ASSERT_EQ(le16, letoh16(le16)); 100 ASSERT_EQ(le32, letoh32(le32)); 101 ASSERT_EQ(le64, letoh64(le64)); 102 #else 103 GTEST_LOG_(INFO) << "glibc doesn't have these macros"; 104 #endif 105 } 106