esp-idf/components/driver/test_apps/twai/main/test_app_main.c

/*
 * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "unity.h"
#include "unity_test_runner.h"
#include "esp_heap_caps.h"

// Some resources are lazy allocated in the TWAI driver, the threshold is left for that case
#define TEST_MEMORY_LEAK_THRESHOLD (-200)

static size_t before_free_8bit;
static size_t before_free_32bit;

static void check_leak(size_t before_free, size_t after_free, const char *type)
{
    ssize_t delta = after_free - before_free;
    printf("MALLOC_CAP_%s: Before %u bytes free, After %u bytes free (delta %d)\n", type, before_free, after_free, delta);
    TEST_ASSERT_MESSAGE(delta >= TEST_MEMORY_LEAK_THRESHOLD, "memory leak");
}

void setUp(void)
{
    before_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
    before_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
}

void tearDown(void)
{
    size_t after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
    size_t after_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
    check_leak(before_free_8bit, after_free_8bit, "8BIT");
    check_leak(before_free_32bit, after_free_32bit, "32BIT");
}

void app_main(void)
{
    //  _______        ___    ___   _____         _
    // |_   _\ \      / / \  |_ _| |_   _|__  ___| |_
    //   | |  \ \ /\ / / _ \  | |    | |/ _ \/ __| __|
    //   | |   \ V  V / ___ \ | |    | |  __/\__ \ |_
    //   |_|    \_/\_/_/   \_\___|   |_|\___||___/\__|
    printf(" _______        ___    ___   _____         _\r\n");
    printf("|_   _\\ \\      / / \\  |_ _| |_   _|__  ___| |_\r\n");
    printf("  | |  \\ \\ /\\ / / _ \\  | |    | |/ _ \\/ __| __|\r\n");
    printf("  | |   \\ V  V / ___ \\ | |    | |  __/\\__ \\ |_\r\n");
    printf("  |_|    \\_/\\_/_/   \\_\\___|   |_|\\___||___/\\__|\r\n");
    unity_run_menu();
}