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Aaru.Checksums.Native/tests/crc64.cpp

366 lines
6.9 KiB
C++

//
// Created by claunia on 5/10/21.
//
#include <climits>
#include <cstdint>
#include <cstring>
#include "../library.h"
#include "../crc64.h"
#include "gtest/gtest.h"
#define EXPECTED_CRC64 0xbf09992cc5ede38e
#define EXPECTED_CRC64_15BYTES 0x797F3766FD93975B
#define EXPECTED_CRC64_31BYTES 0xCD9201905A7937FD
#define EXPECTED_CRC64_63BYTES 0x29F331FC90702BF4
#define EXPECTED_CRC64_2352BYTES 0x126435DB43477623
static const uint8_t* buffer;
static const uint8_t* buffer_misaligned;
class crc64Fixture : public ::testing::Test
{
public:
crc64Fixture()
{
// initialization;
// can also be done in SetUp()
}
protected:
void SetUp()
{
char path[PATH_MAX];
char filename[PATH_MAX];
getcwd(path, PATH_MAX);
snprintf(filename, PATH_MAX, "%s/data/random", path);
FILE* file = fopen(filename, "rb");
buffer = (const uint8_t*)malloc(1048576);
fread((void*)buffer, 1, 1048576, file);
fclose(file);
buffer_misaligned = (const uint8_t*)malloc(1048577);
memcpy((void*)(buffer_misaligned + 1), buffer, 1048576);
}
void TearDown() {
free((void*)buffer);
free((void*)buffer_misaligned);
}
~crc64Fixture()
{
// resources cleanup, no exceptions allowed
}
// shared user data
};
TEST_F(crc64Fixture, crc64_auto)
{
crc64_ctx* ctx = crc64_init();
uint64_t crc;
EXPECT_NE(ctx, nullptr);
crc64_update(ctx, buffer, 1048576);
crc64_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_slicing)
{
uint64_t crc = CRC64_ECMA_SEED;
crc64_slicing(&crc, buffer, 1048576);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_auto_misaligned)
{
crc64_ctx* ctx = crc64_init();
uint64_t crc;
EXPECT_NE(ctx, nullptr);
crc64_update(ctx, buffer_misaligned+1, 1048576);
crc64_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_slicing_misaligned)
{
uint64_t crc = CRC64_ECMA_SEED;
crc64_slicing(&crc, buffer_misaligned+1, 1048576);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_auto_15bytes)
{
crc64_ctx* ctx = crc64_init();
uint64_t crc;
EXPECT_NE(ctx, nullptr);
crc64_update(ctx, buffer, 15);
crc64_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC64_15BYTES);
}
TEST_F(crc64Fixture, crc64_slicing_15bytes)
{
uint64_t crc = CRC64_ECMA_SEED;
crc64_slicing(&crc, buffer, 15);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_15BYTES);
}
TEST_F(crc64Fixture, crc64_auto_31bytes)
{
crc64_ctx* ctx = crc64_init();
uint64_t crc;
EXPECT_NE(ctx, nullptr);
crc64_update(ctx, buffer, 31);
crc64_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC64_31BYTES);
}
TEST_F(crc64Fixture, crc64_slicing_31bytes)
{
uint64_t crc = CRC64_ECMA_SEED;
crc64_slicing(&crc, buffer, 31);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_31BYTES);
}
TEST_F(crc64Fixture, crc64_auto_63bytes)
{
crc64_ctx* ctx = crc64_init();
uint64_t crc;
EXPECT_NE(ctx, nullptr);
crc64_update(ctx, buffer, 63);
crc64_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC64_63BYTES);
}
TEST_F(crc64Fixture, crc64_slicing_63bytes)
{
uint64_t crc = CRC64_ECMA_SEED;
crc64_slicing(&crc, buffer, 63);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_63BYTES);
}
TEST_F(crc64Fixture, crc64_auto_2352bytes)
{
crc64_ctx* ctx = crc64_init();
uint64_t crc;
EXPECT_NE(ctx, nullptr);
crc64_update(ctx, buffer, 2352);
crc64_final(ctx, &crc);
EXPECT_EQ(crc, EXPECTED_CRC64_2352BYTES);
}
TEST_F(crc64Fixture, crc64_slicing_2352bytes)
{
uint64_t crc = CRC64_ECMA_SEED;
crc64_slicing(&crc, buffer, 2352);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_2352BYTES);
}
#if defined(__x86_64__) || defined(__amd64) || defined(_M_AMD64) || defined(_M_X64) || defined(__I386__) || \
defined(__i386__) || defined(__THW_INTEL) || defined(_M_IX86)
TEST_F(crc64Fixture, crc64_clmul)
{
if(!have_clmul()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_clmul(~crc, buffer, 1048576);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_clmul_misaligned)
{
if(!have_clmul()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_clmul(~crc, buffer_misaligned+1, 1048576);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_clmul_15bytes)
{
if(!have_clmul()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_clmul(~crc, buffer, 15);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_15BYTES);
}
TEST_F(crc64Fixture, crc64_clmul_31bytes)
{
if(!have_clmul()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_clmul(~crc, buffer, 31);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_31BYTES);
}
TEST_F(crc64Fixture, crc64_clmul_63bytes)
{
if(!have_clmul()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_clmul(~crc, buffer, 63);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_63BYTES);
}
TEST_F(crc64Fixture, crc64_clmul_2352bytes)
{
if(!have_clmul()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_clmul(~crc, buffer, 2352);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_2352BYTES);
}
#endif
#if defined(__aarch64__) || defined(_M_ARM64) || defined(__arm__) || defined(_M_ARM)
TEST_F(crc64Fixture, crc64_vmull)
{
if(!have_neon()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_vmull(~crc, buffer, 1048576);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_vmull_misaligned)
{
if(!have_neon()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_vmull(~crc, buffer_misaligned+1, 1048576);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64);
}
TEST_F(crc64Fixture, crc64_vmull_15bytes)
{
if(!have_neon()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_vmull(~crc, buffer, 15);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_15BYTES);
}
TEST_F(crc64Fixture, crc64_vmull_31bytes)
{
if(!have_neon()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_vmull(~crc, buffer, 31);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_31BYTES);
}
TEST_F(crc64Fixture, crc64_vmull_63bytes)
{
if(!have_neon()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_vmull(~crc, buffer, 63);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_63BYTES);
}
TEST_F(crc64Fixture, crc64_vmull_2352bytes)
{
if(!have_neon()) return;
uint64_t crc = CRC64_ECMA_SEED;
crc = ~crc64_vmull(~crc, buffer, 2352);
crc ^= CRC64_ECMA_SEED;
EXPECT_EQ(crc, EXPECTED_CRC64_2352BYTES);
}
#endif