esp-idf/components/esp_wifi/test_apps/wifi_function/main/app_main.c

/*
 * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Unlicense OR CC0-1.0
 */
#include "unity.h"
#include "nvs_flash.h"
#include "nvs.h"
#include "esp_err.h"
#include "esp_netif.h"

#include "esp_heap_caps.h"

// Some resources are lazy allocated in wifi or event handler
#define TEST_MEMORY_LEAK_THRESHOLD (-1536)

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)
{
    ESP_ERROR_CHECK(nvs_flash_init());
    ESP_ERROR_CHECK(esp_netif_init());
    unity_run_menu();
    ESP_ERROR_CHECK(esp_netif_deinit());
    ESP_ERROR_CHECK(nvs_flash_deinit());
}