1dbd976200
Bionic has <sys/endian.h>, glibc <endian.h>, and macOS and Windows have nothing. This has often been annoying. Bug: N/A Test: new tests Change-Id: I2a40c570df6a9bb30607ace1af653265938cc4b8
69 lines
2 KiB
C++
69 lines
2 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "android-base/endian.h"
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#include <gtest/gtest.h>
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TEST(endian, constants) {
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ASSERT_TRUE(__LITTLE_ENDIAN == LITTLE_ENDIAN);
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ASSERT_TRUE(__BIG_ENDIAN == BIG_ENDIAN);
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ASSERT_TRUE(__BYTE_ORDER == BYTE_ORDER);
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ASSERT_EQ(__LITTLE_ENDIAN, __BYTE_ORDER);
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}
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TEST(endian, smoke) {
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static constexpr uint16_t le16 = 0x1234;
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static constexpr uint32_t le32 = 0x12345678;
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static constexpr uint64_t le64 = 0x123456789abcdef0;
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static constexpr uint16_t be16 = 0x3412;
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static constexpr uint32_t be32 = 0x78563412;
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static constexpr uint64_t be64 = 0xf0debc9a78563412;
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ASSERT_EQ(be16, htons(le16));
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ASSERT_EQ(be32, htonl(le32));
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ASSERT_EQ(be64, htonq(le64));
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ASSERT_EQ(le16, ntohs(be16));
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ASSERT_EQ(le32, ntohl(be32));
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ASSERT_EQ(le64, ntohq(be64));
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ASSERT_EQ(be16, htobe16(le16));
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ASSERT_EQ(be32, htobe32(le32));
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ASSERT_EQ(be64, htobe64(le64));
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ASSERT_EQ(le16, betoh16(be16));
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ASSERT_EQ(le32, betoh32(be32));
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ASSERT_EQ(le64, betoh64(be64));
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ASSERT_EQ(le16, htole16(le16));
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ASSERT_EQ(le32, htole32(le32));
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ASSERT_EQ(le64, htole64(le64));
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ASSERT_EQ(le16, letoh16(le16));
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ASSERT_EQ(le32, letoh32(le32));
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ASSERT_EQ(le64, letoh64(le64));
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ASSERT_EQ(le16, be16toh(be16));
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ASSERT_EQ(le32, be32toh(be32));
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ASSERT_EQ(le64, be64toh(be64));
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ASSERT_EQ(le16, le16toh(le16));
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ASSERT_EQ(le32, le32toh(le32));
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ASSERT_EQ(le64, le64toh(le64));
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}
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