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https://github.com/aaru-dps/Aaru.Checksums.Native.git
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118 lines
2.2 KiB
C++
118 lines
2.2 KiB
C++
//
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// Created by claunia on 5/10/21.
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//
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#include <climits>
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#include <cstdint>
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#include "../library.h"
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#include "../crc16.h"
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#include "gtest/gtest.h"
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#define EXPECTED_CRC16 0x2d6d
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#define EXPECTED_CRC16_15BYTES 0x72a6
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#define EXPECTED_CRC16_31BYTES 0xF49E
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#define EXPECTED_CRC16_63BYTES 0xFBD9
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#define EXPECTED_CRC16_2352BYTES 0x23F4
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static const uint8_t* buffer;
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class crc16Fixture : public ::testing::Test
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{
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public:
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crc16Fixture()
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{
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// initialization;
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// can also be done in SetUp()
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}
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protected:
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void SetUp()
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{
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char path[PATH_MAX];
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char filename[PATH_MAX];
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getcwd(path, PATH_MAX);
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snprintf(filename, PATH_MAX, "%s/data/random", path);
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FILE* file = fopen(filename, "rb");
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buffer = (const uint8_t*)malloc(1048576);
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fread((void*)buffer, 1, 1048576, file);
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fclose(file);
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}
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void TearDown() { free((void*)buffer); }
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~crc16Fixture()
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{
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// resources cleanup, no exceptions allowed
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}
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// shared user data
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};
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TEST_F(crc16Fixture, crc16_auto)
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{
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crc16_ctx* ctx = crc16_init();
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uint16_t crc;
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EXPECT_NE(ctx, nullptr);
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crc16_update(ctx, buffer, 1048576);
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crc16_final(ctx, &crc);
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EXPECT_EQ(crc, EXPECTED_CRC16);
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}
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TEST_F(crc16Fixture, crc16_auto_15bytes)
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{
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crc16_ctx* ctx = crc16_init();
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uint16_t crc;
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EXPECT_NE(ctx, nullptr);
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crc16_update(ctx, buffer, 15);
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crc16_final(ctx, &crc);
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EXPECT_EQ(crc, EXPECTED_CRC16_15BYTES);
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}
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TEST_F(crc16Fixture, crc16_auto_31bytes)
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{
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crc16_ctx* ctx = crc16_init();
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uint16_t crc;
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EXPECT_NE(ctx, nullptr);
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crc16_update(ctx, buffer, 31);
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crc16_final(ctx, &crc);
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EXPECT_EQ(crc, EXPECTED_CRC16_31BYTES);
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}
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TEST_F(crc16Fixture, crc16_auto_63bytes)
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{
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crc16_ctx* ctx = crc16_init();
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uint16_t crc;
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EXPECT_NE(ctx, nullptr);
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crc16_update(ctx, buffer, 63);
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crc16_final(ctx, &crc);
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EXPECT_EQ(crc, EXPECTED_CRC16_63BYTES);
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}
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TEST_F(crc16Fixture, crc16_auto_2352bytes)
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{
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crc16_ctx* ctx = crc16_init();
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uint16_t crc;
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EXPECT_NE(ctx, nullptr);
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crc16_update(ctx, buffer, 2352);
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crc16_final(ctx, &crc);
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EXPECT_EQ(crc, EXPECTED_CRC16_2352BYTES);
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}
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