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#include "crc.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/stream/output.h>
class TCrcTest: public TTestBase {
UNIT_TEST_SUITE(TCrcTest);
UNIT_TEST(TestCrc16)
UNIT_TEST(TestCrc32)
UNIT_TEST(TestCrc64)
UNIT_TEST_SUITE_END();
private:
inline void TestCrc16() {
const ui16 expected[] = {
41719,
57001,
53722,
3276};
Run<ui16>(expected);
}
inline void TestCrc32() {
const ui32 expected[] = {
688229491UL,
3543112608UL,
4127534015UL,
3009909774UL};
Run<ui32>(expected);
}
inline void TestCrc64() {
const ui64 expected[] = {
12116107829328640258ULL,
18186277744016380552ULL,
249923753044811734ULL,
7852471725963920356ULL};
Run<ui64>(expected);
}
private:
template <class T>
inline void Run(const T* expected) {
ui8 buf[256];
for (size_t i = 0; i < 256; ++i) {
buf[i] = i;
}
Test<T>(buf, 256, expected[0]);
Test<T>(buf, 255, expected[1]);
Test<T>(buf, 254, expected[2]);
Test<T>(buf, 253, expected[3]);
}
template <class T>
inline void Test(const void* data, size_t len, T expected) {
const T res = Crc<T>(data, len);
try {
UNIT_ASSERT_EQUAL(res, expected);
} catch (...) {
Cerr << res << Endl;
throw;
}
}
};
UNIT_TEST_SUITE_REGISTRATION(TCrcTest);
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