vectorscan/unit/internal/database.cpp
2024-05-17 13:57:12 +03:00

77 lines
2.5 KiB
C++

/*
* Copyright (c) 2015-2021, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/
#include "config.h"
#include "hs.h"
#include "compiler/compiler.h"
#include "crc32.h"
#include "database.h"
#include "ue2common.h"
#include "util/arch.h"
#include "util/target_info.h"
#include "gtest/gtest.h"
#include <array>
using namespace ue2;
TEST(DB, flagsToPlatform) {
hs_platform_info p;
memset(&p, 0, sizeof(p));
p.cpu_features = 0;
#if defined(HAVE_AVX2)
p.cpu_features |= HS_CPU_FEATURES_AVX2;
#endif
#if defined(HAVE_AVX512)
p.cpu_features |= HS_CPU_FEATURES_AVX512;
#endif
#if defined(HAVE_AVX512VBMI)
p.cpu_features |= HS_CPU_FEATURES_AVX512VBMI;
#endif
platform_t pp = target_to_platform(target_t(p));
ASSERT_EQ(pp, hs_current_platform);
}
TEST(CRC, alignments) {
std::array<u8, 4096> a;
a.fill('a');
// test the crc32c function at different alignments
for (u8 i = 0; i < 32; i++) {
u32 crc = Crc32c_ComputeBuf(0, reinterpret_cast<u8 *>(a.data()) + i, 4000);
ASSERT_EQ(crc, 0x94f04377U);
}
}