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managed_components/espressif__ntc_driver/test_apps/main/CMakeLists.txt

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+idf_component_register(SRC_DIRS "."
+                       PRIV_INCLUDE_DIRS "."
+                       PRIV_REQUIRES unity  ntc_driver)

managed_components/espressif__ntc_driver/test_apps/main/test_ntc_driver.c

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+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "soc/soc_caps.h"
+#include "unity.h"
+
+#include "ntc_driver.h"
+
+#define TEST_MEMORY_LEAK_THRESHOLD (-460)
+
+const static char *TAG = "NTC_DRIVER_TEST";
+
+static size_t before_free_8bit;
+static size_t before_free_32bit;
+
+TEST_CASE("test_ntc_driver", "[ntc_driver]")
+{
+    ntc_config_t ntc_config = {
+        .b_value = 3950,
+        .r25_ohm = 10000,
+        .fixed_ohm = 10000,
+        .vdd_mv = 3300,
+        .circuit_mode = CIRCUIT_MODE_NTC_GND,
+        .atten = ADC_ATTEN_DB_11,
+        .channel = ADC_CHANNEL_3,
+        .unit = ADC_UNIT_1
+    };
+
+    ntc_device_handle_t ntc = NULL;
+    adc_oneshot_unit_handle_t adc_handle = NULL;
+    ESP_ERROR_CHECK(ntc_dev_create(&ntc_config, &ntc, &adc_handle));
+    ESP_ERROR_CHECK(ntc_dev_get_adc_handle(ntc, &adc_handle));
+
+    float temp = 0.0;
+    for (int i = 0; i < 10; i++) {
+        if (ntc_dev_get_temperature(ntc, &temp) == ESP_OK) {
+            ESP_LOGI(TAG, "NTC temperature = %.2f ℃", temp);
+        }
+    }
+    ESP_ERROR_CHECK(ntc_dev_delete(ntc));
+}
+
+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)
+{
+    printf("NTC DRIVER TEST \n");
+    unity_run_menu();
+}