etl/test/test_crc8_j1850.cpp
Drew Rife ac4c3e67e6
Implement SAE J1850 CRC8 and "Zero" version (#812)
* feat: added 8bit j1850 crc parameters

* feat: add crc8 j1850 header

* feat: add crc j1850 zero header

* feat: add the crc j1850 headers to crc.h

* test: j1850 4 constructor

* build: crc8 j1850 tests

* test: crc8 j1850 4 add values

* test: crc8 j1850 4 add range

* test: crc8 j1850 4 add range via iterator

* test: crc8 j1850 4 add range endian

* test: crc8 j1850 16 constructor

* test: crc8 j1850 16 add values

* test: crc8 j1850 16 add range

* test: crc8 j1850 16 add range via iterator

* test: crc8 j1850 16 add range endian

* test: crc8 j1850 156 constructor

* test: crc8 j1850 256 add values

* test: crc8 j1850 256 add range

* test: crc8 j1850 add range via iterator

* test: crc8 j1850 256 add range endian

* test: initial commit of crc j1850 zero tests

* build: crc8 j1850 zero tests

* test: crc8 j1850 zero 4 add values

* test: crc8 j1850 zero 4 add range

* test: crc8 j1850 zero 4 add range via iterator

* test: crc8 j1850 zero 4 add range endian

* test: crc8 j1850 zero 16 constructor

* test: crc8 j1850 zero 16 add values

* test: crc8 j1850 zero 16 add range

* test: crc8 j1850 zero 16 add range via iterator

* test: crc8 j1850 zero 16 add range endian

* test: crc8 j1850 zero 256 constructor

* test: crc8 j1850 zero 256 add values

* test: crc8 j1850 zero 256 add range

* test: crc8 j1850 zero 256 add range via iterator

* test: crc8 j1850 zero 256 add range endian

* fix: header include guards
2024-01-13 11:48:55 +00:00

264 lines
8.2 KiB
C++

/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2021 John Wellbelove
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******************************************************************************/
#include "unit_test_framework.h"
#include <iterator>
#include <string>
#include <vector>
#include <stdint.h>
#include "etl/crc8_j1850.h"
//*****************************************************************************
// The results for these tests were created from http://www.sunshine2k.de/coding/javascript/crc/crc_js.html
//*****************************************************************************
namespace
{
SUITE(test_crc_crc8_j1850)
{
//*************************************************************************
// Table size 4
//*************************************************************************
TEST(test_crc8_j1850_4_constructor)
{
std::string data("123456789");
uint8_t crc = etl::crc8_j1850_t4(data.begin(), data.end());
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_4_add_values)
{
std::string data("123456789");
etl::crc8_j1850_t4 crc_calculator;
for (size_t i = 0UL; i < data.size(); ++i)
{
crc_calculator.add(data[i]);
}
uint8_t crc = crc_calculator;
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_4_add_range)
{
std::string data("123456789");
etl::crc8_j1850_t4 crc_calculator;
crc_calculator.add(data.begin(), data.end());
uint8_t crc = crc_calculator.value();
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j18_50_4_add_range_via_iterator)
{
std::string data("123456789");
etl::crc8_j1850_t4 crc_calculator;
std::copy(data.begin(), data.end(), crc_calculator.input());
uint8_t crc = crc_calculator.value();
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_4_add_range_endian)
{
std::vector<uint8_t> data1 = { 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U };
std::vector<uint32_t> data2 = { 0x04030201UL, 0x08070605UL };
std::vector<uint8_t> data3 = { 0x08U, 0x07U, 0x06U, 0x05U, 0x04U, 0x03U, 0x02U, 0x01U };
uint8_t crc1 = etl::crc8_j1850_t4(data1.begin(), data1.end());
uint8_t crc2 = etl::crc8_j1850_t4((uint8_t*)&data2[0], (uint8_t*)(&data2[0] + data2.size()));
CHECK_EQUAL(int(crc1), int(crc2));
uint8_t crc3 = etl::crc8_j1850_t4(data3.rbegin(), data3.rend());
CHECK_EQUAL(int(crc1), int(crc3));
}
//*************************************************************************
// Table size 16
//*************************************************************************
TEST(test_crc8_j1850_16_constructor)
{
std::string data("123456789");
uint8_t crc = etl::crc8_j1850_t16(data.begin(), data.end());
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_16_add_values)
{
std::string data("123456789");
etl::crc8_j1850_t16 crc_calculator;
for (size_t i = 0UL; i < data.size(); ++i)
{
crc_calculator.add(data[i]);
}
uint8_t crc = crc_calculator;
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_16_add_range)
{
std::string data("123456789");
etl::crc8_j1850_t16 crc_calculator;
crc_calculator.add(data.begin(), data.end());
uint8_t crc = crc_calculator.value();
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_16_add_range_via_iterator)
{
std::string data("123456789");
etl::crc8_j1850_t16 crc_calculator;
std::copy(data.begin(), data.end(), crc_calculator.input());
uint8_t crc = crc_calculator.value();
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_16_add_range_endian)
{
std::vector<uint8_t> data1 = { 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U };
std::vector<uint32_t> data2 = { 0x04030201UL, 0x08070605UL };
std::vector<uint8_t> data3 = { 0x08U, 0x07U, 0x06U, 0x05U, 0x04U, 0x03U, 0x02U, 0x01U };
uint8_t crc1 = etl::crc8_j1850_t16(data1.begin(), data1.end());
uint8_t crc2 = etl::crc8_j1850_t16((uint8_t*)&data2[0], (uint8_t*)(&data2[0] + data2.size()));
CHECK_EQUAL(int(crc1), int(crc2));
uint8_t crc3 = etl::crc8_j1850_t16(data3.rbegin(), data3.rend());
CHECK_EQUAL(int(crc1), int(crc3));
}
//*************************************************************************
// Table size 256
//*************************************************************************
TEST(test_crc8_j1850_256_constructor)
{
std::string data("123456789");
uint8_t crc = etl::crc8_j1850(data.begin(), data.end());
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_256_add_values)
{
std::string data("123456789");
etl::crc8_j1850 crc_calculator;
for (size_t i = 0UL; i < data.size(); ++i)
{
crc_calculator.add(data[i]);
}
uint8_t crc = crc_calculator;
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_256_add_range)
{
std::string data("123456789");
etl::crc8_j1850 crc_calculator;
crc_calculator.add(data.begin(), data.end());
uint8_t crc = crc_calculator.value();
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_256_add_range_via_iterator)
{
std::string data("123456789");
etl::crc8_j1850 crc_calculator;
std::copy(data.begin(), data.end(), crc_calculator.input());
uint8_t crc = crc_calculator.value();
CHECK_EQUAL(0x4BU, int(crc));
}
//*************************************************************************
TEST(test_crc8_j1850_256_add_range_endian)
{
std::vector<uint8_t> data1 = { 0x01U, 0x02U, 0x03U, 0x04U, 0x05U, 0x06U, 0x07U, 0x08U };
std::vector<uint32_t> data2 = { 0x04030201UL, 0x08070605UL };
std::vector<uint8_t> data3 = { 0x08U, 0x07U, 0x06U, 0x05U, 0x04U, 0x03U, 0x02U, 0x01U };
uint8_t crc1 = etl::crc8_j1850(data1.begin(), data1.end());
uint8_t crc2 = etl::crc8_j1850((uint8_t*)&data2[0], (uint8_t*)(&data2[0] + data2.size()));
CHECK_EQUAL(int(crc1), int(crc2));
uint8_t crc3 = etl::crc8_j1850(data3.rbegin(), data3.rend());
CHECK_EQUAL(int(crc1), int(crc3));
}
};
}