112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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*
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* @brief Ztest mocking support
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*/
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#ifndef __ZTEST_MOCK_H__
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#define __ZTEST_MOCK_H__
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/**
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* @defgroup ztest_mock Ztest mocking support
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* @ingroup ztest
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*
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* This module provides simple mocking functions for unit testing. These
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* need CONFIG_ZTEST_MOCKING=y.
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*
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* @{
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*/
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/**
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* @brief Tell function @a func to expect the value @a value for @a param
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*
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* When using ztest_check_expected_value(), tell that the value of @a param
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* should be @a value. The value will internally be stored as an `uintptr_t`.
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*
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* @param func Function in question
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* @param param Parameter for which the value should be set
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* @param value Value for @a param
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*/
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#define ztest_expect_value(func, param, value) \
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_ztest_expect_value(STRINGIFY(func), STRINGIFY(param), \
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(uintptr_t)(value))
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/**
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* @brief If @a param doesn't match the value set by ztest_expect_value(),
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* fail the test
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*
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* This will first check that does @a param have a value to be expected, and
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* then checks whether the value of the parameter is equal to the expected
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* value. If either of these checks fail, the current test will fail. This
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* must be called from the called function.
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*
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* @param param Parameter to check
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*/
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#define ztest_check_expected_value(param) \
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_ztest_check_expected_value(__func__, STRINGIFY(param), \
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(uintptr_t)(param))
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/**
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* @brief Tell @a func that it should return @a value
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*
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* @param func Function that should return @a value
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* @param value Value to return from @a func
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*/
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#define ztest_returns_value(func, value) \
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_ztest_returns_value(STRINGIFY(func), (uintptr_t)(value))
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/**
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* @brief Get the return value for current function
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*
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* The return value must have been set previously with ztest_returns_value().
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* If no return value exists, the current test will fail.
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*
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* @returns The value the current function should return
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*/
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#define ztest_get_return_value() \
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_ztest_get_return_value(__func__)
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/**
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* @brief Get the return value as a pointer for current function
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*
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* The return value must have been set previously with ztest_returns_value().
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* If no return value exists, the current test will fail.
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*
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* @returns The value the current function should return as a `void *`
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*/
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#define ztest_get_return_value_ptr() \
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((void *)_ztest_get_return_value(__func__))
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/**
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* @}
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*/
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#ifdef CONFIG_ZTEST_MOCKING
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#include <zephyr/types.h>
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void _init_mock(void);
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int _cleanup_mock(void);
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void _ztest_expect_value(const char *fn, const char *name, uintptr_t value);
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void _ztest_check_expected_value(const char *fn, const char *param,
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uintptr_t value);
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void _ztest_returns_value(const char *fn, uintptr_t value);
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uintptr_t _ztest_get_return_value(const char *fn);
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#else /* !CONFIG_ZTEST_MOCKING */
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#define _init_mock()
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#define _cleanup_mock() 0
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#endif /* CONFIG_ZTEST_MOCKING */
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#endif /* __ZTEST_H__ */
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