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#include <cstdint>
#include <ipmiblob/crc.hpp>
#include <string>
#include <vector>
#include <gtest/gtest.h>
namespace ipmiblob
{
TEST(Crc16Test, VerifyCrcValue)
{
// Verify the crc16 is producing the value we expect.
// Origin: security/crypta/ipmi/portable/ipmi_utils_test.cc
struct CrcTestVector
{
std::string input;
uint16_t output;
};
std::string longString =
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAA";
std::vector<CrcTestVector> vectors({{"", 0x1D0F},
{"A", 0x9479},
{"123456789", 0xE5CC},
{longString, 0xE938}});
for (const CrcTestVector& testVector : vectors)
{
std::vector<std::uint8_t> input;
input.insert(input.begin(), testVector.input.begin(),
testVector.input.end());
EXPECT_EQ(generateCrc(input), testVector.output);
}
}
} // namespace ipmiblob
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