File isotp_test_mocks.cpp¶

/*******************************************************************************
 * ISO-TP-C: ISO 15765-2 Protocol Implementation
 *
 * Project:     ISO-TP-C - Embedded-Grade Refactoring & Optimization
 * Description: Test doubles for ISO-TP user callbacks.
 *
 * Author:      Anton Vynohradov
 * Email:       avynohradov@systemfromscratch.com
 *
 * License:     MIT License
 *
 * Copyright (c) 2026 Anton Vynohradov
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * SPDX-License-Identifier: MIT
 ******************************************************************************/

/* ==============================================================================
 * INCLUDES
 * =============================================================================*/

#include "isotp_test_support.h"

/* ==============================================================================
 * DEFINES & MACROS
 * =============================================================================*/

/* ==============================================================================
 * PRIVATE TYPE DEFINITIONS
 * =============================================================================*/

/* ==============================================================================
 * PUBLIC VARIABLES
 * =============================================================================*/

MockCanState g_can_state = {0};
uint32_t g_now_us = 0;
int g_debug_call_count = 0;

/* ==============================================================================
 * PRIVATE FUNCTION DECLARATIONS (static)
 * =============================================================================*/


/* ==============================================================================
 * PRIVATE FUNCTION IMPLEMENTATIONS
 * =============================================================================*/


/* ==============================================================================
 * PUBLIC FUNCTION IMPLEMENTATIONS
 * =============================================================================*/

void reset_mocks()
{
    std::memset(&g_can_state, 0, sizeof(g_can_state));
    g_can_state.return_value = ISOTP_RET_OK;
    g_now_us = 0;
    g_debug_call_count = 0;
}

extern "C"
{
void isotp_user_debug(const char* message, ...)
{
    (void) message;
    g_debug_call_count++;
}

int isotp_user_send_can(const uint32_t arbitration_id, const uint8_t* data, const uint8_t size)
{
    g_can_state.last_id = arbitration_id;
    g_can_state.last_size = size;
    g_can_state.call_count++;
    std::memset(g_can_state.last_data, 0, sizeof(g_can_state.last_data));
    if (data != NULL)
    {
        uint8_t copy_len = size;
        if (copy_len > sizeof(g_can_state.last_data))
        {
            copy_len = sizeof(g_can_state.last_data);
        }
        std::memcpy(g_can_state.last_data, data, copy_len);
    }
    return g_can_state.return_value;
}

uint32_t isotp_user_get_us(void)
{
    return g_now_us;
}
}