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/* test_crc32_copy.cc -- test for crc32 implementations while copying
* Copyright (C) 2025 Hans Kristian Rosbach
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include <gtest/gtest.h>
extern "C" {
# include "zbuild.h"
# include "arch_functions.h"
# include "test_cpu_features.h"
# include "hash_test_strings_p.h"
}
class crc32_copy_variant : public ::testing::TestWithParam<hash_test> {
protected:
uint8_t dstbuf[HASH_TEST_MAX_LENGTH];
public:
/* Ensure that crc32 copy functions returns the correct crc and copies the data */
void crc32_copy_test(crc32_copy_func copyfunc, hash_test params) {
ASSERT_LE(params.len, HASH_TEST_MAX_LENGTH);
uint32_t crc = copyfunc(params.initial_crc, dstbuf, params.buf, params.len);
EXPECT_EQ(crc, params.expect_crc);
EXPECT_EQ(0, memcmp(params.buf, dstbuf, params.len));
}
};
INSTANTIATE_TEST_SUITE_P(crc32_copy, crc32_copy_variant, testing::ValuesIn(hash_tests));
#define TEST_CRC32_COPY(name, copyfunc, support_flag) \
TEST_P(crc32_copy_variant, name) { \
if (!(support_flag)) { \
GTEST_SKIP(); \
return; \
} \
crc32_copy_test(copyfunc, GetParam()); \
}
// Base test
TEST_CRC32_COPY(braid, crc32_copy_braid, 1)
#ifdef DISABLE_RUNTIME_CPU_DETECTION
// Native test
TEST_CRC32_COPY(native, native_crc32_copy, 1)
#else
// Optimized functions
# ifndef WITHOUT_CHORBA
TEST_CRC32_COPY(chorba, crc32_copy_chorba, 1)
# endif
# ifndef WITHOUT_CHORBA_SSE
# ifdef X86_SSE2
TEST_CRC32_COPY(chorba_sse2, crc32_copy_chorba_sse2, test_cpu_features.x86.has_sse2)
# endif
# ifdef X86_SSE41
TEST_CRC32_COPY(chorba_sse41, crc32_copy_chorba_sse41, test_cpu_features.x86.has_sse41)
# endif
# endif
# ifdef ARM_CRC32
TEST_CRC32_COPY(armv8, crc32_copy_armv8, test_cpu_features.arm.has_crc32)
# endif
# ifdef ARM_PMULL_EOR3
TEST_CRC32_COPY(armv8_pmull_eor3, crc32_copy_armv8_pmull_eor3, test_cpu_features.arm.has_crc32 && test_cpu_features.arm.has_pmull && test_cpu_features.arm.has_eor3)
# endif
# ifdef LOONGARCH_CRC
TEST_CRC32_COPY(loongarch, crc32_copy_loongarch64, test_cpu_features.loongarch.has_crc)
# endif
# ifdef RISCV_CRC32_ZBC
TEST_CRC32_COPY(riscv, crc32_copy_riscv64_zbc, test_cpu_features.riscv.has_zbc)
# endif
# ifdef POWER8_VSX_CRC32
TEST_CRC32_COPY(power8, crc32_copy_power8, test_cpu_features.power.has_arch_2_07)
# endif
# ifdef S390_CRC32_VX
TEST_CRC32_COPY(vx, crc32_copy_s390_vx, test_cpu_features.s390.has_vx)
# endif
# ifdef X86_PCLMULQDQ_CRC
TEST_CRC32_COPY(pclmulqdq, crc32_copy_pclmulqdq, test_cpu_features.x86.has_pclmulqdq)
# endif
# ifdef X86_VPCLMULQDQ_AVX2
TEST_CRC32_COPY(vpclmulqdq_avx2, crc32_copy_vpclmulqdq_avx2, (test_cpu_features.x86.has_pclmulqdq && test_cpu_features.x86.has_avx2 && test_cpu_features.x86.has_vpclmulqdq))
# endif
# ifdef X86_VPCLMULQDQ_AVX512
TEST_CRC32_COPY(vpclmulqdq_avx512, crc32_copy_vpclmulqdq_avx512, (test_cpu_features.x86.has_pclmulqdq && test_cpu_features.x86.has_avx512_common && test_cpu_features.x86.has_vpclmulqdq))
# endif
#endif
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