test_can_helper.c

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/**
 * @file    test_can_helper.c
 * @author  foxBMS Team
 * @date    2021-04-22 (date of creation)
 * @updated 2021-06-09 (date of last update)
 * @ingroup UNIT_TEST_IMPLEMENTATION
 * @prefix  TEST
 *
 * @brief   Tests for the CAN helper functions
 *
 */
 
/*========== Includes =======================================================*/
#include "unity.h"
#include "Mockcan.h"
#include "Mockdatabase.h"
#include "Mockdiag.h"
#include "Mockfoxmath.h"
#include "Mockimd.h"
#include "Mockmpu_prototypes.h"
#include "Mockos.h"
 
#include "database_cfg.h"
 
#include "can_cbs.h"
#include "can_helper.h"
#include "test_assert_helper.h"
 
/*========== Definitions and Implementations for Unit Test ==================*/
 
/*========== Setup and Teardown =============================================*/
void setUp(void) {
}
 
void tearDown(void) {
}
 
/*========== Test Cases =====================================================*/
 
/** test the interface of CAN_TxSetMessageDataWithSignalData for null pointer and invalid parameters */
void testCAN_TxSetMessageDataWithSignalDataInterfaceNullPointer(void) {
    uint64_t message            = 0;
    uint64_t bitStart           = 0;
    uint8_t bitLength           = 0;
    uint64_t canSignal          = 0;
    CAN_ENDIANNESS_e endianness = CAN_LITTLE_ENDIAN;
 
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness));
 
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(NULL_PTR, 1u, 1u, canSignal, endianness));
 
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 64u, 0u, canSignal, endianness));
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 1u, 65u, canSignal, endianness));
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 65u, 64u, canSignal, endianness));
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 10u, 64u, canSignal, endianness));
 
    TEST_ASSERT_PASS_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 1u, 1u, canSignal, CAN_LITTLE_ENDIAN));
    TEST_ASSERT_PASS_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 1u, 1u, canSignal, CAN_BIG_ENDIAN));
    TEST_ASSERT_FAIL_ASSERT(CAN_TxSetMessageDataWithSignalData(&message, 1u, 1u, canSignal, INT8_MAX));
}
 
/** test CAN_TxSetMessageDataWithSignalData with various signals */
void testCAN_TxSetMessageDataWithSignalData64BitMessage(void) {
    uint64_t message            = 0;
    uint64_t bitStart           = 0;
    uint8_t bitLength           = 63;
    uint64_t canSignal          = UINT64_MAX >> 1u;
    CAN_ENDIANNESS_e endianness = CAN_LITTLE_ENDIAN;
 
    CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(canSignal, message);
 
    message    = 0;
    bitStart   = 0;
    bitLength  = 64;
    canSignal  = UINT64_MAX;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(canSignal, message);
 
    message    = 0;
    bitStart   = 0;
    bitLength  = 1;
    canSignal  = 0x1u;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(canSignal, message);
 
    message    = 0;
    bitStart   = 0;
    bitLength  = 3;
    canSignal  = 0x7u;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(canSignal, message);
 
    message    = 0;
    bitStart   = 0;
    bitLength  = 3;
    canSignal  = UINT64_MAX;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness);
    /* This behavior is a by-product of implementation and you should not necessarily rely on it */
    TEST_ASSERT_EQUAL_UINT64(0x7u, message);
 
    message    = 0;
    bitStart   = 5;
    bitLength  = 2;
    canSignal  = 0x3u;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_TxSetMessageDataWithSignalData(&message, bitStart, bitLength, canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(0x60u, message);
}
 
/** test the interface of CAN_RxGetSignalDataFromMessageData for null pointer and invalid parameters */
void testCAN_RxGetSignalDataFromMessageDataInterfaceNullPointer(void) {
    uint64_t message            = 0;
    uint64_t bitStart           = 0;
    uint8_t bitLength           = 0;
    uint64_t pCanSignal         = 0;
    CAN_ENDIANNESS_e endianness = CAN_LITTLE_ENDIAN;
 
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &pCanSignal, endianness));
 
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 1u, 1u, NULL_PTR, endianness));
 
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 64u, 0u, &pCanSignal, endianness));
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 1u, 65u, &pCanSignal, endianness));
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 65u, 64u, &pCanSignal, endianness));
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 10u, 64u, &pCanSignal, endianness));
 
    TEST_ASSERT_PASS_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 1u, 1u, &pCanSignal, CAN_LITTLE_ENDIAN));
    TEST_ASSERT_PASS_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 1u, 1u, &pCanSignal, CAN_BIG_ENDIAN));
    TEST_ASSERT_FAIL_ASSERT(CAN_RxGetSignalDataFromMessageData(message, 1u, 1u, &pCanSignal, INT8_MAX));
}
 
/** test CAN_RxGetSignalDataFromMessageData with various signals */
void testCAN_RxGetSignalDataFromMessageData64BitMessage(void) {
    uint64_t message            = UINT64_MAX >> 1u;
    uint64_t bitStart           = 0;
    uint8_t bitLength           = 63;
    uint64_t canSignal          = 0;
    CAN_ENDIANNESS_e endianness = CAN_LITTLE_ENDIAN;
 
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(message, canSignal);
 
    message    = UINT64_MAX;
    bitStart   = 0;
    bitLength  = 64;
    canSignal  = 0;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(message, canSignal);
 
    message    = 0x1u;
    bitStart   = 0;
    bitLength  = 1;
    canSignal  = 0;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(message, canSignal);
 
    message    = 0x7u;
    bitStart   = 0;
    bitLength  = 3;
    canSignal  = 0;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(message, canSignal);
 
    message    = UINT64_MAX;
    bitStart   = 0;
    bitLength  = 3;
    canSignal  = 0;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &canSignal, endianness);
    /* This behavior is a by-product of implementation and you should not necessarily rely on it */
    TEST_ASSERT_EQUAL_UINT64(0x7u, canSignal);
 
    message    = 0x60u;
    bitStart   = 5;
    bitLength  = 2;
    canSignal  = 0u;
    endianness = CAN_LITTLE_ENDIAN;
 
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &canSignal, endianness);
 
    TEST_ASSERT_EQUAL_UINT64(0x3u, canSignal);
}