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82 lines
1.5 KiB
C++
82 lines
1.5 KiB
C++
//
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// Created by claunia on 5/10/21.
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//
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#include <cstdint>
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#include "../library.h"
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#include "../crc64.h"
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#include "gtest/gtest.h"
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#define EXPECTED_CRC64 0xbf09992cc5ede38e
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static const uint8_t* buffer;
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class crc64Fixture : public ::testing::Test
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{
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public:
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crc64Fixture()
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{
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// initialization;
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// can also be done in SetUp()
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}
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protected:
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void SetUp()
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{
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FILE* file = fopen("/home/claunia/random", "rb");
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buffer = (const uint8_t*)malloc(1048576);
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fread((void*)buffer, 1, 1048576, file);
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fclose(file);
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}
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void TearDown() { free((void*)buffer); }
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~crc64Fixture()
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{
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// resources cleanup, no exceptions allowed
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}
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// shared user data
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};
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TEST_F(crc64Fixture, crc64_auto)
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{
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crc64_ctx* ctx = crc64_init();
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uint64_t crc;
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EXPECT_NE(ctx, nullptr);
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crc64_update(ctx, buffer, 1048576);
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crc64_final(ctx, &crc);
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EXPECT_EQ(crc, EXPECTED_CRC64);
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}
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TEST_F(crc64Fixture, crc64_slicing)
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{
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uint64_t crc = CRC64_ECMA_SEED;
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crc64_slicing(&crc, buffer, 1048576);
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crc ^= CRC64_ECMA_SEED;
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EXPECT_EQ(crc, EXPECTED_CRC64);
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}
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#if defined(__x86_64__) || defined(__amd64) || defined(_M_AMD64) || defined(_M_X64) || defined(__I386__) || \
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defined(__i386__) || defined(__THW_INTEL) || defined(_M_IX86)
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TEST_F(crc64Fixture, crc64_clmul)
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{
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if(!have_clmul()) return;
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uint64_t crc = CRC64_ECMA_SEED;
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crc = ~crc64_clmul(~crc, buffer, 1048576);
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crc ^= CRC64_ECMA_SEED;
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EXPECT_EQ(crc, EXPECTED_CRC64);
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}
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#endif
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