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143 lines
3.8 KiB
143 lines
3.8 KiB
// Copyright (c) 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/sys_byteorder.h"
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#include <stdint.h>
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#include "build/build_config.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace {
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const uint16_t k16BitTestData = 0xaabb;
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const uint16_t k16BitSwappedTestData = 0xbbaa;
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const uint32_t k32BitTestData = 0xaabbccdd;
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const uint32_t k32BitSwappedTestData = 0xddccbbaa;
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const uint64_t k64BitTestData = 0xaabbccdd44332211;
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const uint64_t k64BitSwappedTestData = 0x11223344ddccbbaa;
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} // namespace
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TEST(ByteOrderTest, ByteSwap16) {
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uint16_t swapped = base::ByteSwap(k16BitTestData);
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EXPECT_EQ(k16BitSwappedTestData, swapped);
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uint16_t reswapped = base::ByteSwap(swapped);
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EXPECT_EQ(k16BitTestData, reswapped);
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}
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TEST(ByteOrderTest, ByteSwap32) {
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uint32_t swapped = base::ByteSwap(k32BitTestData);
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EXPECT_EQ(k32BitSwappedTestData, swapped);
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uint32_t reswapped = base::ByteSwap(swapped);
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EXPECT_EQ(k32BitTestData, reswapped);
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}
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TEST(ByteOrderTest, ByteSwap64) {
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uint64_t swapped = base::ByteSwap(k64BitTestData);
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EXPECT_EQ(k64BitSwappedTestData, swapped);
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uint64_t reswapped = base::ByteSwap(swapped);
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EXPECT_EQ(k64BitTestData, reswapped);
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}
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TEST(ByteOrderTest, ByteSwapUintPtrT) {
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#if defined(ARCH_CPU_64_BITS)
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const uintptr_t test_data = static_cast<uintptr_t>(k64BitTestData);
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const uintptr_t swapped_test_data =
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static_cast<uintptr_t>(k64BitSwappedTestData);
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#elif defined(ARCH_CPU_32_BITS)
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const uintptr_t test_data = static_cast<uintptr_t>(k32BitTestData);
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const uintptr_t swapped_test_data =
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static_cast<uintptr_t>(k32BitSwappedTestData);
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#else
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#error architecture not supported
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#endif
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uintptr_t swapped = base::ByteSwapUintPtrT(test_data);
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EXPECT_EQ(swapped_test_data, swapped);
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uintptr_t reswapped = base::ByteSwapUintPtrT(swapped);
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EXPECT_EQ(test_data, reswapped);
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}
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TEST(ByteOrderTest, ByteSwapToLE16) {
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uint16_t le = base::ByteSwapToLE16(k16BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k16BitTestData, le);
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#else
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EXPECT_EQ(k16BitSwappedTestData, le);
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#endif
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}
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TEST(ByteOrderTest, ByteSwapToLE32) {
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uint32_t le = base::ByteSwapToLE32(k32BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k32BitTestData, le);
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#else
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EXPECT_EQ(k32BitSwappedTestData, le);
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#endif
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}
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TEST(ByteOrderTest, ByteSwapToLE64) {
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uint64_t le = base::ByteSwapToLE64(k64BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k64BitTestData, le);
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#else
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EXPECT_EQ(k64BitSwappedTestData, le);
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#endif
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}
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TEST(ByteOrderTest, NetToHost16) {
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uint16_t h = base::NetToHost16(k16BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k16BitSwappedTestData, h);
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#else
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EXPECT_EQ(k16BitTestData, h);
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#endif
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}
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TEST(ByteOrderTest, NetToHost32) {
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uint32_t h = base::NetToHost32(k32BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k32BitSwappedTestData, h);
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#else
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EXPECT_EQ(k32BitTestData, h);
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#endif
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}
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TEST(ByteOrderTest, NetToHost64) {
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uint64_t h = base::NetToHost64(k64BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k64BitSwappedTestData, h);
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#else
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EXPECT_EQ(k64BitTestData, h);
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#endif
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}
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TEST(ByteOrderTest, HostToNet16) {
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uint16_t n = base::HostToNet16(k16BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k16BitSwappedTestData, n);
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#else
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EXPECT_EQ(k16BitTestData, n);
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#endif
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}
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TEST(ByteOrderTest, HostToNet32) {
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uint32_t n = base::HostToNet32(k32BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k32BitSwappedTestData, n);
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#else
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EXPECT_EQ(k32BitTestData, n);
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#endif
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}
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TEST(ByteOrderTest, HostToNet64) {
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uint64_t n = base::HostToNet64(k64BitTestData);
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#if defined(ARCH_CPU_LITTLE_ENDIAN)
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EXPECT_EQ(k64BitSwappedTestData, n);
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#else
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EXPECT_EQ(k64BitTestData, n);
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#endif
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}
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