esp-idf/components/unity/include/unity_test_utils_memory.h
Jakob Hasse b1e174f8e2 docs(test_utils): heap records are not eatable!
Instead of becoming spread, heap records should go into a buffer.
Hungry commits shall be avoided.
2022-11-29 13:47:50 +01:00

81 lines
2.7 KiB
C

/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Adjust the allowed memory leak thresholds for unit tests.
*
* Usually, unit tests will check if memory is leaked. Some functionality used by unit tests may unavoidably
* leak memory. This function allows to adjust that memory leak threshold.
*
* @param leak_level Maximum allowed memory leak which will not trigger a unit test failure.
*/
void unity_utils_set_leak_level(size_t leak_level);
/**
* @brief Start/Restart memory leak checking.
*
* Records the current free memory values at time of calling. After the test case, it may be checked with
* \c unity_utils_finish_and_evaluate_leaks.
*
* If this function is called repeatedly, only the free memory values at the last time of calling will prevail
* as reference.
*/
void unity_utils_record_free_mem(void);
/**
* @brief Calculate leaks and check they are below against a threshold
*
* This function is for internal use, users shouldn't have a reason to call this.
*
* Calculates the leak from \c before_free and \c after_free and checks that the difference does not exceed
* \c threshold. It uses a unity assert to to the check and report in case of failure.
* A summary of the leaked data will be printed in all cases.
*/
void unity_utils_check_leak(unsigned int before_free,
unsigned int after_free,
const char *type,
unsigned int threshold);
/**
* @brief Evaluate memory leak checking according to the provided thresholds.
*
* If the current memory leak level (counted from the last time calling \c unity_utils_record_free_mem() ) exceeds
* \c threshold, a unit test failure will be triggered.
*/
void unity_utils_evaluate_leaks_direct(size_t threshold);
/**
* @brief Evaluate memory leaks.
*
* If the current memory leak level (counted from the last time calling \c unity_utils_record_free_mem() ) exceeds
* the threshold set before via \c unity_utils_set_leak_level(), a unit test failure will be triggered.
*
* @note The user MUST set the allowed leak threshold before via \c unity_utils_set_leak_level(), otherwise the
* allowed leak threshold is undefined.
*/
void unity_utils_evaluate_leaks(void);
/**
* @brief Helper function to setup and initialize heap tracing.
*
* @param num_heap_records the size of the heap record buffer,
* counted in number of heap record elements (heap_trace_record_t).
* Use a default value of 80 if no special requirements need to be met.
*/
void unity_utils_setup_heap_record(size_t num_heap_records);
#ifdef __cplusplus
}
#endif