264 lines
8.2 KiB
C++
264 lines
8.2 KiB
C++
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2021 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#include "unit_test_framework.h"
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#include <iterator>
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#include <string>
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#include <vector>
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#include <stdint.h>
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#include "etl/crc8_ccitt.h"
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//*****************************************************************************
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// The results for these tests were created from https://crccalc.com/
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//*****************************************************************************
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namespace
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{
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SUITE(test_crc8_ccitt)
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{
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//*************************************************************************
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// Table size 4
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//*************************************************************************
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TEST(test_crc8_ccitt_4_constructor)
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{
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std::string data("123456789");
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uint8_t crc = etl::crc8_ccitt_t4(data.begin(), data.end());
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_4_add_values)
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{
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std::string data("123456789");
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etl::crc8_ccitt_t4 crc_calculator;
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for (size_t i = 0UL; i < data.size(); ++i)
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{
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crc_calculator.add(data[i]);
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}
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uint8_t crc = crc_calculator;
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_4_add_range)
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{
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std::string data("123456789");
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etl::crc8_ccitt_t4 crc_calculator;
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crc_calculator.add(data.begin(), data.end());
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uint8_t crc = crc_calculator.value();
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_4_add_range_via_iterator)
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{
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std::string data("123456789");
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etl::crc8_ccitt_t4 crc_calculator;
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std::copy(data.begin(), data.end(), crc_calculator.input());
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uint8_t crc = crc_calculator.value();
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_4_add_range_endian)
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{
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std::vector<uint8_t> data1 = { 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U };
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std::vector<uint32_t> data2 = { 0x04030201UL, 0x08070605UL };
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std::vector<uint8_t> data3 = { 0x08U, 0x07U, 0x06U, 0x05U, 0x04U, 0x03U, 0x02U, 0x01U };
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uint8_t crc1 = etl::crc8_ccitt_t4(data1.begin(), data1.end());
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uint8_t crc2 = etl::crc8_ccitt_t4((uint8_t*)&data2[0], (uint8_t*)(&data2[0] + data2.size()));
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CHECK_EQUAL(int(crc1), int(crc2));
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uint8_t crc3 = etl::crc8_ccitt_t4(data3.rbegin(), data3.rend());
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CHECK_EQUAL(int(crc1), int(crc3));
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}
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//*************************************************************************
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// Table size 16
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//*************************************************************************
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TEST(test_crc8_ccitt_16_constructor)
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{
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std::string data("123456789");
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uint8_t crc = etl::crc8_ccitt_t16(data.begin(), data.end());
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_16_add_values)
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{
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std::string data("123456789");
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etl::crc8_ccitt_t16 crc_calculator;
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for (size_t i = 0UL; i < data.size(); ++i)
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{
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crc_calculator.add(data[i]);
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}
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uint8_t crc = crc_calculator;
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_16_add_range)
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{
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std::string data("123456789");
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etl::crc8_ccitt_t16 crc_calculator;
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crc_calculator.add(data.begin(), data.end());
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uint8_t crc = crc_calculator.value();
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_16_add_range_via_iterator)
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{
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std::string data("123456789");
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etl::crc8_ccitt_t16 crc_calculator;
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std::copy(data.begin(), data.end(), crc_calculator.input());
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uint8_t crc = crc_calculator.value();
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_16_add_range_endian)
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{
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std::vector<uint8_t> data1 = { 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U };
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std::vector<uint32_t> data2 = { 0x04030201UL, 0x08070605UL };
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std::vector<uint8_t> data3 = { 0x08U, 0x07U, 0x06U, 0x05U, 0x04U, 0x03U, 0x02U, 0x01U };
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uint8_t crc1 = etl::crc8_ccitt_t16(data1.begin(), data1.end());
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uint8_t crc2 = etl::crc8_ccitt_t16((uint8_t*)&data2[0], (uint8_t*)(&data2[0] + data2.size()));
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CHECK_EQUAL(int(crc1), int(crc2));
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uint8_t crc3 = etl::crc8_ccitt_t16(data3.rbegin(), data3.rend());
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CHECK_EQUAL(int(crc1), int(crc3));
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}
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//*************************************************************************
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// Table size 256
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//*************************************************************************
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TEST(test_crc8_ccitt_256_constructor)
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{
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std::string data("123456789");
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uint8_t crc = etl::crc8_ccitt(data.begin(), data.end());
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_256_add_values)
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{
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std::string data("123456789");
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etl::crc8_ccitt crc_calculator;
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for (size_t i = 0UL; i < data.size(); ++i)
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{
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crc_calculator.add(data[i]);
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}
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uint8_t crc = crc_calculator;
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_256_add_range)
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{
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std::string data("123456789");
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etl::crc8_ccitt crc_calculator;
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crc_calculator.add(data.begin(), data.end());
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uint8_t crc = crc_calculator.value();
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_256_add_range_via_iterator)
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{
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std::string data("123456789");
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etl::crc8_ccitt crc_calculator;
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std::copy(data.begin(), data.end(), crc_calculator.input());
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uint8_t crc = crc_calculator.value();
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CHECK_EQUAL(0xF4U, int(crc));
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}
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//*************************************************************************
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TEST(test_crc8_ccitt_256_add_range_endian)
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{
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std::vector<uint8_t> data1 = { 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U };
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std::vector<uint32_t> data2 = { 0x04030201UL, 0x08070605UL };
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std::vector<uint8_t> data3 = { 0x08U, 0x07U, 0x06U, 0x05U, 0x04U, 0x03U, 0x02U, 0x01U };
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uint8_t crc1 = etl::crc8_ccitt(data1.begin(), data1.end());
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uint8_t crc2 = etl::crc8_ccitt((uint8_t*)&data2[0], (uint8_t*)(&data2[0] + data2.size()));
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CHECK_EQUAL(int(crc1), int(crc2));
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uint8_t crc3 = etl::crc8_ccitt(data3.rbegin(), data3.rend());
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CHECK_EQUAL(int(crc1), int(crc3));
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}
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};
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}
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