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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
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#include "test.h"
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#include <gtest/gtest.h>
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#include <base/system.h>
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#include <array>
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TEST(SwapEndian, Generic)
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{
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const std::array<char, 12> aOriginalData = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
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const std::array<char, 12> aExpectedDataInt16 = {2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11};
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const std::array<char, 12> aExpectedDataInt32 = {4, 3, 2, 1, 8, 7, 6, 5, 12, 11, 10, 9};
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std::array<char, 12> aData = aOriginalData;
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swap_endian(aData.data(), sizeof(char), aData.size() / sizeof(char));
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EXPECT_EQ(aData, aOriginalData);
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aData = aOriginalData;
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swap_endian(aData.data(), sizeof(int16_t), aData.size() / sizeof(int16_t));
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EXPECT_EQ(aData, aExpectedDataInt16);
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aData = aOriginalData;
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swap_endian(aData.data(), sizeof(int32_t), aData.size() / sizeof(int32_t));
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EXPECT_EQ(aData, aExpectedDataInt32);
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}
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static int SwapEndianInt(int Number)
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{
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swap_endian(&Number, sizeof(Number), 1);
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return Number;
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}
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TEST(SwapEndian, Int)
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{
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EXPECT_EQ(SwapEndianInt(0x00000000), 0x00000000);
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EXPECT_EQ(SwapEndianInt(0xFFFFFFFF), 0xFFFFFFFF);
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EXPECT_EQ(SwapEndianInt(0x7FFFFFFF), 0xFFFFFF7F);
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EXPECT_EQ(SwapEndianInt(0xFFFFFF7F), 0x7FFFFFFF);
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EXPECT_EQ(SwapEndianInt(0x80000000), 0x00000080);
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EXPECT_EQ(SwapEndianInt(0x00000080), 0x80000000);
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EXPECT_EQ(SwapEndianInt(0x12345678), 0x78563412);
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EXPECT_EQ(SwapEndianInt(0x78563412), 0x12345678);
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EXPECT_EQ(SwapEndianInt(0x87654321), 0x21436587);
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EXPECT_EQ(SwapEndianInt(0x21436587), 0x87654321);
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}
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