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 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 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
