mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-12-03 13:13:55 +00:00
130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
// Copyright 2017 The CRC32C Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
|
|
#include "crc32c/crc32c.h"
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <cstring>
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include "./crc32c_extend_unittests.h"
|
|
|
|
TEST(Crc32CTest, Crc32c) {
|
|
// From rfc3720 section B.4.
|
|
uint8_t buf[32];
|
|
|
|
std::memset(buf, 0, sizeof(buf));
|
|
EXPECT_EQ(static_cast<uint32_t>(0x8a9136aa),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
std::memset(buf, 0xff, sizeof(buf));
|
|
EXPECT_EQ(static_cast<uint32_t>(0x62a8ab43),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<uint8_t>(i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x46dd794e),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<uint8_t>(31 - i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x113fdb5c),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
uint8_t data[48] = {
|
|
0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
|
|
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
};
|
|
EXPECT_EQ(static_cast<uint32_t>(0xd9963a56),
|
|
crc32c::Crc32c(data, sizeof(data)));
|
|
}
|
|
|
|
namespace crc32c {
|
|
|
|
struct ApiTestTraits {
|
|
static uint32_t Extend(uint32_t crc, const uint8_t* data, size_t count) {
|
|
return ::crc32c::Extend(crc, data, count);
|
|
}
|
|
};
|
|
|
|
INSTANTIATE_TYPED_TEST_SUITE_P(Api, ExtendTest, ApiTestTraits);
|
|
|
|
} // namespace crc32c
|
|
|
|
TEST(CRC32CTest, Crc32cCharPointer) {
|
|
char buf[32];
|
|
|
|
std::memset(buf, 0, sizeof(buf));
|
|
EXPECT_EQ(static_cast<uint32_t>(0x8a9136aa),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
std::memset(buf, 0xff, sizeof(buf));
|
|
EXPECT_EQ(static_cast<uint32_t>(0x62a8ab43),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<char>(i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x46dd794e),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<char>(31 - i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x113fdb5c),
|
|
crc32c::Crc32c(buf, sizeof(buf)));
|
|
}
|
|
|
|
TEST(CRC32CTest, Crc32cStdString) {
|
|
std::string buf;
|
|
buf.resize(32);
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<char>(0x00);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x8a9136aa), crc32c::Crc32c(buf));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = '\xff';
|
|
EXPECT_EQ(static_cast<uint32_t>(0x62a8ab43), crc32c::Crc32c(buf));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<char>(i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x46dd794e), crc32c::Crc32c(buf));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<char>(31 - i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x113fdb5c), crc32c::Crc32c(buf));
|
|
}
|
|
|
|
#if __cplusplus > 201402L
|
|
#if __has_include(<string_view>)
|
|
|
|
TEST(CRC32CTest, Crc32cStdStringView) {
|
|
uint8_t buf[32];
|
|
std::string_view view(reinterpret_cast<const char*>(buf), sizeof(buf));
|
|
|
|
std::memset(buf, 0, sizeof(buf));
|
|
EXPECT_EQ(static_cast<uint32_t>(0x8a9136aa), crc32c::Crc32c(view));
|
|
|
|
std::memset(buf, 0xff, sizeof(buf));
|
|
EXPECT_EQ(static_cast<uint32_t>(0x62a8ab43), crc32c::Crc32c(view));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<uint8_t>(i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x46dd794e), crc32c::Crc32c(view));
|
|
|
|
for (size_t i = 0; i < 32; ++i)
|
|
buf[i] = static_cast<uint8_t>(31 - i);
|
|
EXPECT_EQ(static_cast<uint32_t>(0x113fdb5c), crc32c::Crc32c(view));
|
|
}
|
|
|
|
#endif // __has_include(<string_view>)
|
|
#endif // __cplusplus > 201402L
|
|
|
|
#define TESTED_EXTEND Extend
|
|
#include "./crc32c_extend_unittests.h"
|
|
#undef TESTED_EXTEND
|