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+/*
+ * Copyright 2008 Google Inc.
+ * Copyright 2014-2018 Andreas Schneider <asn@cryptomilk.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef CMOCKA_H_
+#define CMOCKA_H_
+
+#ifdef _WIN32
+# ifdef _MSC_VER
+
+#define __func__ __FUNCTION__
+
+# ifndef inline
+#define inline __inline
+# endif /* inline */
+
+# if _MSC_VER < 1500
+# ifdef __cplusplus
+extern "C" {
+# endif /* __cplusplus */
+int __stdcall IsDebuggerPresent();
+# ifdef __cplusplus
+} /* extern "C" */
+# endif /* __cplusplus */
+# endif /* _MSC_VER < 1500 */
+# endif /* _MSC_VER */
+#endif /* _WIN32 */
+
+/**
+ * @defgroup cmocka The CMocka API
+ *
+ * These headers or their equivalents should be included prior to including
+ * this header file.
+ * @code
+ * #include <stdarg.h>
+ * #include <stddef.h>
+ * #include <setjmp.h>
+ * @endcode
+ *
+ * This allows test applications to use custom definitions of C standard
+ * library functions and types.
+ *
+ * @{
+ */
+
+/* If __WORDSIZE is not set, try to figure it out and default to 32 bit. */
+#ifndef __WORDSIZE
+# if (defined(__x86_64__) && !defined(__ILP32__)) || defined(__sparc_v9__) || defined(__sparcv9)
+# define __WORDSIZE 64
+# else
+# define __WORDSIZE 32
+# endif
+#endif
+
+#ifdef DOXYGEN
+/**
+ * Largest integral type. This type should be large enough to hold any
+ * pointer or integer supported by the compiler.
+ */
+typedef uintmax_t LargestIntegralType;
+#else /* DOXGEN */
+#ifndef LargestIntegralType
+# if __WORDSIZE == 64 && !defined(_WIN64)
+# define LargestIntegralType unsigned long int
+# else
+# define LargestIntegralType unsigned long long int
+# endif
+#endif /* LargestIntegralType */
+#endif /* DOXYGEN */
+
+/* Printf format used to display LargestIntegralType as a hexidecimal. */
+#ifndef LargestIntegralTypePrintfFormat
+# ifdef _WIN32
+# define LargestIntegralTypePrintfFormat "0x%I64x"
+# else
+# if __WORDSIZE == 64
+# define LargestIntegralTypePrintfFormat "%#lx"
+# else
+# define LargestIntegralTypePrintfFormat "%#llx"
+# endif
+# endif /* _WIN32 */
+#endif /* LargestIntegralTypePrintfFormat */
+
+/* Printf format used to display LargestIntegralType as a decimal. */
+#ifndef LargestIntegralTypePrintfFormatDecimal
+# ifdef _WIN32
+# define LargestIntegralTypePrintfFormatDecimal "%I64u"
+# else
+# if __WORDSIZE == 64
+# define LargestIntegralTypePrintfFormatDecimal "%lu"
+# else
+# define LargestIntegralTypePrintfFormatDecimal "%llu"
+# endif
+# endif /* _WIN32 */
+#endif /* LargestIntegralTypePrintfFormat */
+
+/* Perform an unsigned cast to LargestIntegralType. */
+#define cast_to_largest_integral_type(value) \
+ ((LargestIntegralType)(value))
+
+/* Smallest integral type capable of holding a pointer. */
+#if !defined(_UINTPTR_T) && !defined(_UINTPTR_T_DEFINED)
+# if defined(_WIN32)
+ /* WIN32 is an ILP32 platform */
+ typedef unsigned int uintptr_t;
+# elif defined(_WIN64)
+ typedef unsigned long int uintptr_t
+# else /* _WIN32 */
+
+/* ILP32 and LP64 platforms */
+# ifdef __WORDSIZE /* glibc */
+# if __WORDSIZE == 64
+ typedef unsigned long int uintptr_t;
+# else
+ typedef unsigned int uintptr_t;
+# endif /* __WORDSIZE == 64 */
+# else /* __WORDSIZE */
+# if defined(_LP64) || defined(_I32LPx)
+ typedef unsigned long int uintptr_t;
+# else
+ typedef unsigned int uintptr_t;
+# endif
+# endif /* __WORDSIZE */
+# endif /* _WIN32 */
+
+# define _UINTPTR_T
+# define _UINTPTR_T_DEFINED
+#endif /* !defined(_UINTPTR_T) || !defined(_UINTPTR_T_DEFINED) */
+
+/* Perform an unsigned cast to uintptr_t. */
+#define cast_to_pointer_integral_type(value) \
+ ((uintptr_t)((size_t)(value)))
+
+/* Perform a cast of a pointer to LargestIntegralType */
+#define cast_ptr_to_largest_integral_type(value) \
+cast_to_largest_integral_type(cast_to_pointer_integral_type(value))
+
+/* GCC have printf type attribute check. */
+#ifdef __GNUC__
+#define CMOCKA_PRINTF_ATTRIBUTE(a,b) \
+ __attribute__ ((__format__ (__printf__, a, b)))
+#else
+#define CMOCKA_PRINTF_ATTRIBUTE(a,b)
+#endif /* __GNUC__ */
+
+#if defined(__GNUC__)
+#define CMOCKA_DEPRECATED __attribute__ ((deprecated))
+#elif defined(_MSC_VER)
+#define CMOCKA_DEPRECATED __declspec(deprecated)
+#else
+#define CMOCKA_DEPRECATED
+#endif
+
+#define WILL_RETURN_ALWAYS -1
+#define WILL_RETURN_ONCE -2
+
+/**
+ * @defgroup cmocka_mock Mock Objects
+ * @ingroup cmocka
+ *
+ * Mock objects mock objects are simulated objects that mimic the behavior of
+ * real objects. Instead of calling the real objects, the tested object calls a
+ * mock object that merely asserts that the correct methods were called, with
+ * the expected parameters, in the correct order.
+ *
+ * <ul>
+ * <li><strong>will_return(function, value)</strong> - The will_return() macro
+ * pushes a value onto a stack of mock values. This macro is intended to be
+ * used by the unit test itself, while programming the behaviour of the mocked
+ * object.</li>
+ *
+ * <li><strong>mock()</strong> - the mock macro pops a value from a stack of
+ * test values. The user of the mock() macro is the mocked object that uses it
+ * to learn how it should behave.</li>
+ * </ul>
+ *
+ * Because the will_return() and mock() are intended to be used in pairs, the
+ * cmocka library would fail the test if there are more values pushed onto the
+ * stack using will_return() than consumed with mock() and vice-versa.
+ *
+ * The following unit test stub illustrates how would a unit test instruct the
+ * mock object to return a particular value:
+ *
+ * @code
+ * will_return(chef_cook, "hotdog");
+ * will_return(chef_cook, 0);
+ * @endcode
+ *
+ * Now the mock object can check if the parameter it received is the parameter
+ * which is expected by the test driver. This can be done the following way:
+ *
+ * @code
+ * int chef_cook(const char *order, char **dish_out)
+ * {
+ * check_expected(order);
+ * }
+ * @endcode
+ *
+ * For a complete example please at a look
+ * <a href="http://git.cryptomilk.org/projects/cmocka.git/tree/example/chef_wrap/waiter_test_wrap.c">here</a>.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Retrieve a return value of the current function.
+ *
+ * @return The value which was stored to return by this function.
+ *
+ * @see will_return()
+ */
+LargestIntegralType mock(void);
+#else
+#define mock() _mock(__func__, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Retrieve a typed return value of the current function.
+ *
+ * The value would be casted to type internally to avoid having the
+ * caller to do the cast manually.
+ *
+ * @param[in] #type The expected type of the return value
+ *
+ * @return The value which was stored to return by this function.
+ *
+ * @code
+ * int param;
+ *
+ * param = mock_type(int);
+ * @endcode
+ *
+ * @see will_return()
+ * @see mock()
+ * @see mock_ptr_type()
+ */
+#type mock_type(#type);
+#else
+#define mock_type(type) ((type) mock())
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Retrieve a typed return value of the current function.
+ *
+ * The value would be casted to type internally to avoid having the
+ * caller to do the cast manually but also casted to uintptr_t to make
+ * sure the result has a valid size to be used as a pointer.
+ *
+ * @param[in] #type The expected type of the return value
+ *
+ * @return The value which was stored to return by this function.
+ *
+ * @code
+ * char *param;
+ *
+ * param = mock_ptr_type(char *);
+ * @endcode
+ *
+ * @see will_return()
+ * @see mock()
+ * @see mock_type()
+ */
+type mock_ptr_type(#type);
+#else
+#define mock_ptr_type(type) ((type) (uintptr_t) mock())
+#endif
+
+
+#ifdef DOXYGEN
+/**
+ * @brief Store a value to be returned by mock() later.
+ *
+ * @param[in] #function The function which should return the given value.
+ *
+ * @param[in] value The value to be returned by mock().
+ *
+ * @code
+ * int return_integer(void)
+ * {
+ * return (int)mock();
+ * }
+ *
+ * static void test_integer_return(void **state)
+ * {
+ * will_return(return_integer, 42);
+ *
+ * assert_int_equal(my_function_calling_return_integer(), 42);
+ * }
+ * @endcode
+ *
+ * @see mock()
+ * @see will_return_count()
+ */
+void will_return(#function, LargestIntegralType value);
+#else
+#define will_return(function, value) \
+ _will_return(#function, __FILE__, __LINE__, \
+ cast_to_largest_integral_type(value), 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Store a value to be returned by mock() later.
+ *
+ * @param[in] #function The function which should return the given value.
+ *
+ * @param[in] value The value to be returned by mock().
+ *
+ * @param[in] count The parameter indicates the number of times the value should
+ * be returned by mock(). If count is set to -1, the value
+ * will always be returned but must be returned at least once.
+ * If count is set to -2, the value will always be returned
+ * by mock(), but is not required to be returned.
+ *
+ * @see mock()
+ */
+void will_return_count(#function, LargestIntegralType value, int count);
+#else
+#define will_return_count(function, value, count) \
+ _will_return(#function, __FILE__, __LINE__, \
+ cast_to_largest_integral_type(value), count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Store a value that will be always returned by mock().
+ *
+ * @param[in] #function The function which should return the given value.
+ *
+ * @param[in] #value The value to be returned by mock().
+ *
+ * This is equivalent to:
+ * @code
+ * will_return_count(function, value, -1);
+ * @endcode
+ *
+ * @see will_return_count()
+ * @see mock()
+ */
+void will_return_always(#function, LargestIntegralType value);
+#else
+#define will_return_always(function, value) \
+ will_return_count(function, (value), WILL_RETURN_ALWAYS)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Store a value that may be always returned by mock().
+ *
+ * This stores a value which will always be returned by mock() but is not
+ * required to be returned by at least one call to mock(). Therefore,
+ * in contrast to will_return_always() which causes a test failure if it
+ * is not returned at least once, will_return_maybe() will never cause a test
+ * to fail if its value is not returned.
+ *
+ * @param[in] #function The function which should return the given value.
+ *
+ * @param[in] #value The value to be returned by mock().
+ *
+ * This is equivalent to:
+ * @code
+ * will_return_count(function, value, -2);
+ * @endcode
+ *
+ * @see will_return_count()
+ * @see mock()
+ */
+void will_return_maybe(#function, LargestIntegralType value);
+#else
+#define will_return_maybe(function, value) \
+ will_return_count(function, (value), WILL_RETURN_ONCE)
+#endif
+/** @} */
+
+/**
+ * @defgroup cmocka_param Checking Parameters
+ * @ingroup cmocka
+ *
+ * Functionality to store expected values for mock function parameters.
+ *
+ * In addition to storing the return values of mock functions, cmocka provides
+ * functionality to store expected values for mock function parameters using
+ * the expect_*() functions provided. A mock function parameter can then be
+ * validated using the check_expected() macro.
+ *
+ * Successive calls to expect_*() macros for a parameter queues values to check
+ * the specified parameter. check_expected() checks a function parameter
+ * against the next value queued using expect_*(), if the parameter check fails
+ * a test failure is signalled. In addition if check_expected() is called and
+ * no more parameter values are queued a test failure occurs.
+ *
+ * The following test stub illustrates how to do this. First is the the function
+ * we call in the test driver:
+ *
+ * @code
+ * static void test_driver(void **state)
+ * {
+ * expect_string(chef_cook, order, "hotdog");
+ * }
+ * @endcode
+ *
+ * Now the chef_cook function can check if the parameter we got passed is the
+ * parameter which is expected by the test driver. This can be done the
+ * following way:
+ *
+ * @code
+ * int chef_cook(const char *order, char **dish_out)
+ * {
+ * check_expected(order);
+ * }
+ * @endcode
+ *
+ * For a complete example please at a look at
+ * <a href="http://git.cryptomilk.org/projects/cmocka.git/tree/example/chef_wrap/waiter_test_wrap.c">here</a>
+ *
+ * @{
+ */
+
+/*
+ * Add a custom parameter checking function. If the event parameter is NULL
+ * the event structure is allocated internally by this function. If event
+ * parameter is provided it must be allocated on the heap and doesn't need to
+ * be deallocated by the caller.
+ */
+#ifdef DOXYGEN
+/**
+ * @brief Add a custom parameter checking function.
+ *
+ * If the event parameter is NULL the event structure is allocated internally
+ * by this function. If the parameter is provided it must be allocated on the
+ * heap and doesn't need to be deallocated by the caller.
+ *
+ * @param[in] #function The function to add a custom parameter checking
+ * function for.
+ *
+ * @param[in] #parameter The parameters passed to the function.
+ *
+ * @param[in] #check_function The check function to call.
+ *
+ * @param[in] check_data The data to pass to the check function.
+ */
+void expect_check(#function, #parameter, #check_function, const void *check_data);
+#else
+#define expect_check(function, parameter, check_function, check_data) \
+ _expect_check(#function, #parameter, __FILE__, __LINE__, check_function, \
+ cast_to_largest_integral_type(check_data), NULL, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value is part of the provided
+ * array.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value_array[] The array to check for the value.
+ *
+ * @see check_expected().
+ */
+void expect_in_set(#function, #parameter, LargestIntegralType value_array[]);
+#else
+#define expect_in_set(function, parameter, value_array) \
+ expect_in_set_count(function, parameter, value_array, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value is part of the provided
+ * array.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value_array[] The array to check for the value.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_in_set_count(#function, #parameter, LargestIntegralType value_array[], size_t count);
+#else
+#define expect_in_set_count(function, parameter, value_array, count) \
+ _expect_in_set(#function, #parameter, __FILE__, __LINE__, value_array, \
+ sizeof(value_array) / sizeof((value_array)[0]), count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value is not part of the
+ * provided array.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value_array[] The array to check for the value.
+ *
+ * @see check_expected().
+ */
+void expect_not_in_set(#function, #parameter, LargestIntegralType value_array[]);
+#else
+#define expect_not_in_set(function, parameter, value_array) \
+ expect_not_in_set_count(function, parameter, value_array, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value is not part of the
+ * provided array.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value_array[] The array to check for the value.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_not_in_set_count(#function, #parameter, LargestIntegralType value_array[], size_t count);
+#else
+#define expect_not_in_set_count(function, parameter, value_array, count) \
+ _expect_not_in_set( \
+ #function, #parameter, __FILE__, __LINE__, value_array, \
+ sizeof(value_array) / sizeof((value_array)[0]), count)
+#endif
+
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check a parameter is inside a numerical range.
+ * The check would succeed if minimum <= value <= maximum.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] minimum The lower boundary of the interval to check against.
+ *
+ * @param[in] maximum The upper boundary of the interval to check against.
+ *
+ * @see check_expected().
+ */
+void expect_in_range(#function, #parameter, LargestIntegralType minimum, LargestIntegralType maximum);
+#else
+#define expect_in_range(function, parameter, minimum, maximum) \
+ expect_in_range_count(function, parameter, minimum, maximum, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check a parameter is inside a
+ * numerical range. The check would succeed if minimum <= value <= maximum.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] minimum The lower boundary of the interval to check against.
+ *
+ * @param[in] maximum The upper boundary of the interval to check against.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_in_range_count(#function, #parameter, LargestIntegralType minimum, LargestIntegralType maximum, size_t count);
+#else
+#define expect_in_range_count(function, parameter, minimum, maximum, count) \
+ _expect_in_range(#function, #parameter, __FILE__, __LINE__, minimum, \
+ maximum, count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check a parameter is outside a numerical range.
+ * The check would succeed if minimum > value > maximum.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] minimum The lower boundary of the interval to check against.
+ *
+ * @param[in] maximum The upper boundary of the interval to check against.
+ *
+ * @see check_expected().
+ */
+void expect_not_in_range(#function, #parameter, LargestIntegralType minimum, LargestIntegralType maximum);
+#else
+#define expect_not_in_range(function, parameter, minimum, maximum) \
+ expect_not_in_range_count(function, parameter, minimum, maximum, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check a parameter is outside a
+ * numerical range. The check would succeed if minimum > value > maximum.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] minimum The lower boundary of the interval to check against.
+ *
+ * @param[in] maximum The upper boundary of the interval to check against.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_not_in_range_count(#function, #parameter, LargestIntegralType minimum, LargestIntegralType maximum, size_t count);
+#else
+#define expect_not_in_range_count(function, parameter, minimum, maximum, \
+ count) \
+ _expect_not_in_range(#function, #parameter, __FILE__, __LINE__, \
+ minimum, maximum, count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if a parameter is the given value.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value The value to check.
+ *
+ * @see check_expected().
+ */
+void expect_value(#function, #parameter, LargestIntegralType value);
+#else
+#define expect_value(function, parameter, value) \
+ expect_value_count(function, parameter, value, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check if a parameter is the given value.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value The value to check.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_value_count(#function, #parameter, LargestIntegralType value, size_t count);
+#else
+#define expect_value_count(function, parameter, value, count) \
+ _expect_value(#function, #parameter, __FILE__, __LINE__, \
+ cast_to_largest_integral_type(value), count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if a parameter isn't the given value.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value The value to check.
+ *
+ * @see check_expected().
+ */
+void expect_not_value(#function, #parameter, LargestIntegralType value);
+#else
+#define expect_not_value(function, parameter, value) \
+ expect_not_value_count(function, parameter, value, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check if a parameter isn't the given value.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] value The value to check.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_not_value_count(#function, #parameter, LargestIntegralType value, size_t count);
+#else
+#define expect_not_value_count(function, parameter, value, count) \
+ _expect_not_value(#function, #parameter, __FILE__, __LINE__, \
+ cast_to_largest_integral_type(value), count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value is equal to the
+ * provided string.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] string The string value to compare.
+ *
+ * @see check_expected().
+ */
+void expect_string(#function, #parameter, const char *string);
+#else
+#define expect_string(function, parameter, string) \
+ expect_string_count(function, parameter, string, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value is equal to the
+ * provided string.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] string The string value to compare.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_string_count(#function, #parameter, const char *string, size_t count);
+#else
+#define expect_string_count(function, parameter, string, count) \
+ _expect_string(#function, #parameter, __FILE__, __LINE__, \
+ (const char*)(string), count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value isn't equal to the
+ * provided string.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] string The string value to compare.
+ *
+ * @see check_expected().
+ */
+void expect_not_string(#function, #parameter, const char *string);
+#else
+#define expect_not_string(function, parameter, string) \
+ expect_not_string_count(function, parameter, string, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter value isn't equal to the
+ * provided string.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] string The string value to compare.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_not_string_count(#function, #parameter, const char *string, size_t count);
+#else
+#define expect_not_string_count(function, parameter, string, count) \
+ _expect_not_string(#function, #parameter, __FILE__, __LINE__, \
+ (const char*)(string), count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter does match an area of memory.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] memory The memory to compare.
+ *
+ * @param[in] size The size of the memory to compare.
+ *
+ * @see check_expected().
+ */
+void expect_memory(#function, #parameter, void *memory, size_t size);
+#else
+#define expect_memory(function, parameter, memory, size) \
+ expect_memory_count(function, parameter, memory, size, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check if the parameter does match an area
+ * of memory.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] memory The memory to compare.
+ *
+ * @param[in] size The size of the memory to compare.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_memory_count(#function, #parameter, void *memory, size_t size, size_t count);
+#else
+#define expect_memory_count(function, parameter, memory, size, count) \
+ _expect_memory(#function, #parameter, __FILE__, __LINE__, \
+ (const void*)(memory), size, count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if the parameter doesn't match an area of
+ * memory.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] memory The memory to compare.
+ *
+ * @param[in] size The size of the memory to compare.
+ *
+ * @see check_expected().
+ */
+void expect_not_memory(#function, #parameter, void *memory, size_t size);
+#else
+#define expect_not_memory(function, parameter, memory, size) \
+ expect_not_memory_count(function, parameter, memory, size, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check if the parameter doesn't match an
+ * area of memory.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] memory The memory to compare.
+ *
+ * @param[in] size The size of the memory to compare.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_not_memory_count(#function, #parameter, void *memory, size_t size, size_t count);
+#else
+#define expect_not_memory_count(function, parameter, memory, size, count) \
+ _expect_not_memory(#function, #parameter, __FILE__, __LINE__, \
+ (const void*)(memory), size, count)
+#endif
+
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to check if a parameter (of any value) has been passed.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @see check_expected().
+ */
+void expect_any(#function, #parameter);
+#else
+#define expect_any(function, parameter) \
+ expect_any_count(function, parameter, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Add an event to repeatedly check if a parameter (of any value) has
+ * been passed.
+ *
+ * The event is triggered by calling check_expected() in the mocked function.
+ *
+ * @param[in] #function The function to add the check for.
+ *
+ * @param[in] #parameter The name of the parameter passed to the function.
+ *
+ * @param[in] count The count parameter returns the number of times the value
+ * should be returned by check_expected(). If count is set
+ * to -1 the value will always be returned.
+ *
+ * @see check_expected().
+ */
+void expect_any_count(#function, #parameter, size_t count);
+#else
+#define expect_any_count(function, parameter, count) \
+ _expect_any(#function, #parameter, __FILE__, __LINE__, count)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Determine whether a function parameter is correct.
+ *
+ * This ensures the next value queued by one of the expect_*() macros matches
+ * the specified variable.
+ *
+ * This function needs to be called in the mock object.
+ *
+ * @param[in] #parameter The parameter to check.
+ */
+void check_expected(#parameter);
+#else
+#define check_expected(parameter) \
+ _check_expected(__func__, #parameter, __FILE__, __LINE__, \
+ cast_to_largest_integral_type(parameter))
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Determine whether a function parameter is correct.
+ *
+ * This ensures the next value queued by one of the expect_*() macros matches
+ * the specified variable.
+ *
+ * This function needs to be called in the mock object.
+ *
+ * @param[in] #parameter The pointer to check.
+ */
+void check_expected_ptr(#parameter);
+#else
+#define check_expected_ptr(parameter) \
+ _check_expected(__func__, #parameter, __FILE__, __LINE__, \
+ cast_ptr_to_largest_integral_type(parameter))
+#endif
+
+/** @} */
+
+/**
+ * @defgroup cmocka_asserts Assert Macros
+ * @ingroup cmocka
+ *
+ * This is a set of useful assert macros like the standard C libary's
+ * assert(3) macro.
+ *
+ * On an assertion failure a cmocka assert macro will write the failure to the
+ * standard error stream and signal a test failure. Due to limitations of the C
+ * language the general C standard library assert() and cmocka's assert_true()
+ * and assert_false() macros can only display the expression that caused the
+ * assert failure. cmocka's type specific assert macros, assert_{type}_equal()
+ * and assert_{type}_not_equal(), display the data that caused the assertion
+ * failure which increases data visibility aiding debugging of failing test
+ * cases.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the given expression is true.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if expression is false (i.e., compares equal to
+ * zero).
+ *
+ * @param[in] expression The expression to evaluate.
+ *
+ * @see assert_int_equal()
+ * @see assert_string_equal()
+ */
+void assert_true(scalar expression);
+#else
+#define assert_true(c) _assert_true(cast_to_largest_integral_type(c), #c, \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the given expression is false.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if expression is true.
+ *
+ * @param[in] expression The expression to evaluate.
+ *
+ * @see assert_int_equal()
+ * @see assert_string_equal()
+ */
+void assert_false(scalar expression);
+#else
+#define assert_false(c) _assert_true(!(cast_to_largest_integral_type(c)), #c, \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the return_code is greater than or equal to 0.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the return code is smaller than 0. If the function
+ * you check sets an errno if it fails you can pass it to the function and
+ * it will be printed as part of the error message.
+ *
+ * @param[in] rc The return code to evaluate.
+ *
+ * @param[in] error Pass errno here or 0.
+ */
+void assert_return_code(int rc, int error);
+#else
+#define assert_return_code(rc, error) \
+ _assert_return_code(cast_to_largest_integral_type(rc), \
+ sizeof(rc), \
+ cast_to_largest_integral_type(error), \
+ #rc, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the given pointer is non-NULL.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the pointer is NULL.
+ *
+ * @param[in] pointer The pointer to evaluate.
+ *
+ * @see assert_null()
+ */
+void assert_non_null(void *pointer);
+#else
+#define assert_non_null(c) _assert_true(cast_ptr_to_largest_integral_type(c), #c, \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the given pointer is NULL.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the pointer is non-NULL.
+ *
+ * @param[in] pointer The pointer to evaluate.
+ *
+ * @see assert_non_null()
+ */
+void assert_null(void *pointer);
+#else
+#define assert_null(c) _assert_true(!(cast_ptr_to_largest_integral_type(c)), #c, \
+__FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given pointers are equal.
+ *
+ * The function prints an error message and terminates the test by calling
+ * fail() if the pointers are not equal.
+ *
+ * @param[in] a The first pointer to compare.
+ *
+ * @param[in] b The pointer to compare against the first one.
+ */
+void assert_ptr_equal(void *a, void *b);
+#else
+#define assert_ptr_equal(a, b) \
+ _assert_int_equal(cast_ptr_to_largest_integral_type(a), \
+ cast_ptr_to_largest_integral_type(b), \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given pointers are not equal.
+ *
+ * The function prints an error message and terminates the test by calling
+ * fail() if the pointers are equal.
+ *
+ * @param[in] a The first pointer to compare.
+ *
+ * @param[in] b The pointer to compare against the first one.
+ */
+void assert_ptr_not_equal(void *a, void *b);
+#else
+#define assert_ptr_not_equal(a, b) \
+ _assert_int_not_equal(cast_ptr_to_largest_integral_type(a), \
+ cast_ptr_to_largest_integral_type(b), \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given integers are equal.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the integers are not equal.
+ *
+ * @param[in] a The first integer to compare.
+ *
+ * @param[in] b The integer to compare against the first one.
+ */
+void assert_int_equal(int a, int b);
+#else
+#define assert_int_equal(a, b) \
+ _assert_int_equal(cast_to_largest_integral_type(a), \
+ cast_to_largest_integral_type(b), \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given integers are not equal.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the integers are equal.
+ *
+ * @param[in] a The first integer to compare.
+ *
+ * @param[in] b The integer to compare against the first one.
+ *
+ * @see assert_int_equal()
+ */
+void assert_int_not_equal(int a, int b);
+#else
+#define assert_int_not_equal(a, b) \
+ _assert_int_not_equal(cast_to_largest_integral_type(a), \
+ cast_to_largest_integral_type(b), \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given strings are equal.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the strings are not equal.
+ *
+ * @param[in] a The string to check.
+ *
+ * @param[in] b The other string to compare.
+ */
+void assert_string_equal(const char *a, const char *b);
+#else
+#define assert_string_equal(a, b) \
+ _assert_string_equal((const char*)(a), (const char*)(b), __FILE__, \
+ __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given strings are not equal.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the strings are equal.
+ *
+ * @param[in] a The string to check.
+ *
+ * @param[in] b The other string to compare.
+ */
+void assert_string_not_equal(const char *a, const char *b);
+#else
+#define assert_string_not_equal(a, b) \
+ _assert_string_not_equal((const char*)(a), (const char*)(b), __FILE__, \
+ __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given areas of memory are equal, otherwise fail.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the memory is not equal.
+ *
+ * @param[in] a The first memory area to compare
+ * (interpreted as unsigned char).
+ *
+ * @param[in] b The second memory area to compare
+ * (interpreted as unsigned char).
+ *
+ * @param[in] size The first n bytes of the memory areas to compare.
+ */
+void assert_memory_equal(const void *a, const void *b, size_t size);
+#else
+#define assert_memory_equal(a, b, size) \
+ _assert_memory_equal((const void*)(a), (const void*)(b), size, __FILE__, \
+ __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given areas of memory are not equal.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the memory is equal.
+ *
+ * @param[in] a The first memory area to compare
+ * (interpreted as unsigned char).
+ *
+ * @param[in] b The second memory area to compare
+ * (interpreted as unsigned char).
+ *
+ * @param[in] size The first n bytes of the memory areas to compare.
+ */
+void assert_memory_not_equal(const void *a, const void *b, size_t size);
+#else
+#define assert_memory_not_equal(a, b, size) \
+ _assert_memory_not_equal((const void*)(a), (const void*)(b), size, \
+ __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the specified value is not smaller than the minimum
+ * and and not greater than the maximum.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if value is not in range.
+ *
+ * @param[in] value The value to check.
+ *
+ * @param[in] minimum The minimum value allowed.
+ *
+ * @param[in] maximum The maximum value allowed.
+ */
+void assert_in_range(LargestIntegralType value, LargestIntegralType minimum, LargestIntegralType maximum);
+#else
+#define assert_in_range(value, minimum, maximum) \
+ _assert_in_range( \
+ cast_to_largest_integral_type(value), \
+ cast_to_largest_integral_type(minimum), \
+ cast_to_largest_integral_type(maximum), __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the specified value is smaller than the minimum or
+ * greater than the maximum.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if value is in range.
+ *
+ * @param[in] value The value to check.
+ *
+ * @param[in] minimum The minimum value to compare.
+ *
+ * @param[in] maximum The maximum value to compare.
+ */
+void assert_not_in_range(LargestIntegralType value, LargestIntegralType minimum, LargestIntegralType maximum);
+#else
+#define assert_not_in_range(value, minimum, maximum) \
+ _assert_not_in_range( \
+ cast_to_largest_integral_type(value), \
+ cast_to_largest_integral_type(minimum), \
+ cast_to_largest_integral_type(maximum), __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the specified value is within a set.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if value is not within a set.
+ *
+ * @param[in] value The value to look up
+ *
+ * @param[in] values[] The array to check for the value.
+ *
+ * @param[in] count The size of the values array.
+ */
+void assert_in_set(LargestIntegralType value, LargestIntegralType values[], size_t count);
+#else
+#define assert_in_set(value, values, number_of_values) \
+ _assert_in_set(value, values, number_of_values, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the specified value is not within a set.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if value is within a set.
+ *
+ * @param[in] value The value to look up
+ *
+ * @param[in] values[] The array to check for the value.
+ *
+ * @param[in] count The size of the values array.
+ */
+void assert_not_in_set(LargestIntegralType value, LargestIntegralType values[], size_t count);
+#else
+#define assert_not_in_set(value, values, number_of_values) \
+ _assert_not_in_set(value, values, number_of_values, __FILE__, __LINE__)
+#endif
+
+/** @} */
+
+/**
+ * @defgroup cmocka_call_order Call Ordering
+ * @ingroup cmocka
+ *
+ * It is often beneficial to make sure that functions are called in an
+ * order. This is independent of mock returns and parameter checking as both
+ * of the aforementioned do not check the order in which they are called from
+ * different functions.
+ *
+ * <ul>
+ * <li><strong>expect_function_call(function)</strong> - The
+ * expect_function_call() macro pushes an expectation onto the stack of
+ * expected calls.</li>
+ *
+ * <li><strong>function_called()</strong> - pops a value from the stack of
+ * expected calls. function_called() is invoked within the mock object
+ * that uses it.
+ * </ul>
+ *
+ * expect_function_call() and function_called() are intended to be used in
+ * pairs. Cmocka will fail a test if there are more or less expected calls
+ * created (e.g. expect_function_call()) than consumed with function_called().
+ * There are provisions such as ignore_function_calls() which allow this
+ * restriction to be circumvented in tests where mock calls for the code under
+ * test are not the focus of the test.
+ *
+ * The following example illustrates how a unit test instructs cmocka
+ * to expect a function_called() from a particular mock,
+ * <strong>chef_sing()</strong>:
+ *
+ * @code
+ * void chef_sing(void);
+ *
+ * void code_under_test()
+ * {
+ * chef_sing();
+ * }
+ *
+ * void some_test(void **state)
+ * {
+ * expect_function_call(chef_sing);
+ * code_under_test();
+ * }
+ * @endcode
+ *
+ * The implementation of the mock then must check whether it was meant to
+ * be called by invoking <strong>function_called()</strong>:
+ *
+ * @code
+ * void chef_sing()
+ * {
+ * function_called();
+ * }
+ * @endcode
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Check that current mocked function is being called in the expected
+ * order
+ *
+ * @see expect_function_call()
+ */
+void function_called(void);
+#else
+#define function_called() _function_called(__func__, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Store expected call(s) to a mock to be checked by function_called()
+ * later.
+ *
+ * @param[in] #function The function which should should be called
+ *
+ * @param[in] times number of times this mock must be called
+ *
+ * @see function_called()
+ */
+void expect_function_calls(#function, const int times);
+#else
+#define expect_function_calls(function, times) \
+ _expect_function_call(#function, __FILE__, __LINE__, times)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Store expected single call to a mock to be checked by
+ * function_called() later.
+ *
+ * @param[in] #function The function which should should be called
+ *
+ * @see function_called()
+ */
+void expect_function_call(#function);
+#else
+#define expect_function_call(function) \
+ _expect_function_call(#function, __FILE__, __LINE__, 1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Expects function_called() from given mock at least once
+ *
+ * @param[in] #function The function which should should be called
+ *
+ * @see function_called()
+ */
+void expect_function_call_any(#function);
+#else
+#define expect_function_call_any(function) \
+ _expect_function_call(#function, __FILE__, __LINE__, -1)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Ignores function_called() invocations from given mock function.
+ *
+ * @param[in] #function The function which should should be called
+ *
+ * @see function_called()
+ */
+void ignore_function_calls(#function);
+#else
+#define ignore_function_calls(function) \
+ _expect_function_call(#function, __FILE__, __LINE__, -2)
+#endif
+
+/** @} */
+
+/**
+ * @defgroup cmocka_exec Running Tests
+ * @ingroup cmocka
+ *
+ * This is the way tests are executed with CMocka.
+ *
+ * The following example illustrates this macro's use with the unit_test macro.
+ *
+ * @code
+ * void Test0(void **state);
+ * void Test1(void **state);
+ *
+ * int main(void)
+ * {
+ * const struct CMUnitTest tests[] = {
+ * cmocka_unit_test(Test0),
+ * cmocka_unit_test(Test1),
+ * };
+ *
+ * return cmocka_run_group_tests(tests, NULL, NULL);
+ * }
+ * @endcode
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Forces the test to fail immediately and quit.
+ */
+void fail(void);
+#else
+#define fail() _fail(__FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Forces the test to not be executed, but marked as skipped
+ */
+void skip(void);
+#else
+#define skip() _skip(__FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Forces the test to fail immediately and quit, printing the reason.
+ *
+ * @code
+ * fail_msg("This is some error message for test");
+ * @endcode
+ *
+ * or
+ *
+ * @code
+ * char *error_msg = "This is some error message for test";
+ * fail_msg("%s", error_msg);
+ * @endcode
+ */
+void fail_msg(const char *msg, ...);
+#else
+#define fail_msg(msg, ...) do { \
+ print_error("ERROR: " msg "\n", ##__VA_ARGS__); \
+ fail(); \
+} while (0)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Generic method to run a single test.
+ *
+ * @deprecated This function was deprecated in favor of cmocka_run_group_tests
+ *
+ * @param[in] #function The function to test.
+ *
+ * @return 0 on success, 1 if an error occured.
+ *
+ * @code
+ * // A test case that does nothing and succeeds.
+ * void null_test_success(void **state) {
+ * }
+ *
+ * int main(void) {
+ * return run_test(null_test_success);
+ * }
+ * @endcode
+ */
+int run_test(#function);
+#else
+#define run_test(f) _run_test(#f, f, NULL, UNIT_TEST_FUNCTION_TYPE_TEST, NULL)
+#endif
+
+static inline void _unit_test_dummy(void **state) {
+ (void)state;
+}
+
+/** Initializes a UnitTest structure.
+ *
+ * @deprecated This function was deprecated in favor of cmocka_unit_test
+ */
+#define unit_test(f) { #f, f, UNIT_TEST_FUNCTION_TYPE_TEST }
+
+#define _unit_test_setup(test, setup) \
+ { #test "_" #setup, setup, UNIT_TEST_FUNCTION_TYPE_SETUP }
+
+/** Initializes a UnitTest structure with a setup function.
+ *
+ * @deprecated This function was deprecated in favor of cmocka_unit_test_setup
+ */
+#define unit_test_setup(test, setup) \
+ _unit_test_setup(test, setup), \
+ unit_test(test), \
+ _unit_test_teardown(test, _unit_test_dummy)
+
+#define _unit_test_teardown(test, teardown) \
+ { #test "_" #teardown, teardown, UNIT_TEST_FUNCTION_TYPE_TEARDOWN }
+
+/** Initializes a UnitTest structure with a teardown function.
+ *
+ * @deprecated This function was deprecated in favor of cmocka_unit_test_teardown
+ */
+#define unit_test_teardown(test, teardown) \
+ _unit_test_setup(test, _unit_test_dummy), \
+ unit_test(test), \
+ _unit_test_teardown(test, teardown)
+
+/** Initializes a UnitTest structure for a group setup function.
+ *
+ * @deprecated This function was deprecated in favor of cmocka_run_group_tests
+ */
+#define group_test_setup(setup) \
+ { "group_" #setup, setup, UNIT_TEST_FUNCTION_TYPE_GROUP_SETUP }
+
+/** Initializes a UnitTest structure for a group teardown function.
+ *
+ * @deprecated This function was deprecated in favor of cmocka_run_group_tests
+ */
+#define group_test_teardown(teardown) \
+ { "group_" #teardown, teardown, UNIT_TEST_FUNCTION_TYPE_GROUP_TEARDOWN }
+
+/**
+ * Initialize an array of UnitTest structures with a setup function for a test
+ * and a teardown function. Either setup or teardown can be NULL.
+ *
+ * @deprecated This function was deprecated in favor of
+ * cmocka_unit_test_setup_teardown
+ */
+#define unit_test_setup_teardown(test, setup, teardown) \
+ _unit_test_setup(test, setup), \
+ unit_test(test), \
+ _unit_test_teardown(test, teardown)
+
+
+/** Initializes a CMUnitTest structure. */
+#define cmocka_unit_test(f) { #f, f, NULL, NULL, NULL }
+
+/** Initializes a CMUnitTest structure with a setup function. */
+#define cmocka_unit_test_setup(f, setup) { #f, f, setup, NULL, NULL }
+
+/** Initializes a CMUnitTest structure with a teardown function. */
+#define cmocka_unit_test_teardown(f, teardown) { #f, f, NULL, teardown, NULL }
+
+/**
+ * Initialize an array of CMUnitTest structures with a setup function for a test
+ * and a teardown function. Either setup or teardown can be NULL.
+ */
+#define cmocka_unit_test_setup_teardown(f, setup, teardown) { #f, f, setup, teardown, NULL }
+
+/**
+ * Initialize a CMUnitTest structure with given initial state. It will be passed
+ * to test function as an argument later. It can be used when test state does
+ * not need special initialization or was initialized already.
+ * @note If the group setup function initialized the state already, it won't be
+ * overridden by the initial state defined here.
+ */
+#define cmocka_unit_test_prestate(f, state) { #f, f, NULL, NULL, state }
+
+/**
+ * Initialize a CMUnitTest structure with given initial state, setup and
+ * teardown function. Any of these values can be NULL. Initial state is passed
+ * later to setup function, or directly to test if none was given.
+ * @note If the group setup function initialized the state already, it won't be
+ * overridden by the initial state defined here.
+ */
+#define cmocka_unit_test_prestate_setup_teardown(f, setup, teardown, state) { #f, f, setup, teardown, state }
+
+#define run_tests(tests) _run_tests(tests, sizeof(tests) / sizeof((tests)[0]))
+#define run_group_tests(tests) _run_group_tests(tests, sizeof(tests) / sizeof((tests)[0]))
+
+#ifdef DOXYGEN
+/**
+ * @brief Run tests specified by an array of CMUnitTest structures.
+ *
+ * @param[in] group_tests[] The array of unit tests to execute.
+ *
+ * @param[in] group_setup The setup function which should be called before
+ * all unit tests are executed.
+ *
+ * @param[in] group_teardown The teardown function to be called after all
+ * tests have finished.
+ *
+ * @return 0 on success, or the number of failed tests.
+ *
+ * @code
+ * static int setup(void **state) {
+ * int *answer = malloc(sizeof(int));
+ * if (*answer == NULL) {
+ * return -1;
+ * }
+ * *answer = 42;
+ *
+ * *state = answer;
+ *
+ * return 0;
+ * }
+ *
+ * static int teardown(void **state) {
+ * free(*state);
+ *
+ * return 0;
+ * }
+ *
+ * static void null_test_success(void **state) {
+ * (void) state;
+ * }
+ *
+ * static void int_test_success(void **state) {
+ * int *answer = *state;
+ * assert_int_equal(*answer, 42);
+ * }
+ *
+ * int main(void) {
+ * const struct CMUnitTest tests[] = {
+ * cmocka_unit_test(null_test_success),
+ * cmocka_unit_test_setup_teardown(int_test_success, setup, teardown),
+ * };
+ *
+ * return cmocka_run_group_tests(tests, NULL, NULL);
+ * }
+ * @endcode
+ *
+ * @see cmocka_unit_test
+ * @see cmocka_unit_test_setup
+ * @see cmocka_unit_test_teardown
+ * @see cmocka_unit_test_setup_teardown
+ */
+int cmocka_run_group_tests(const struct CMUnitTest group_tests[],
+ CMFixtureFunction group_setup,
+ CMFixtureFunction group_teardown);
+#else
+# define cmocka_run_group_tests(group_tests, group_setup, group_teardown) \
+ _cmocka_run_group_tests(#group_tests, group_tests, sizeof(group_tests) / sizeof((group_tests)[0]), group_setup, group_teardown)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Run tests specified by an array of CMUnitTest structures and specify
+ * a name.
+ *
+ * @param[in] group_name The name of the group test.
+ *
+ * @param[in] group_tests[] The array of unit tests to execute.
+ *
+ * @param[in] group_setup The setup function which should be called before
+ * all unit tests are executed.
+ *
+ * @param[in] group_teardown The teardown function to be called after all
+ * tests have finished.
+ *
+ * @return 0 on success, or the number of failed tests.
+ *
+ * @code
+ * static int setup(void **state) {
+ * int *answer = malloc(sizeof(int));
+ * if (*answer == NULL) {
+ * return -1;
+ * }
+ * *answer = 42;
+ *
+ * *state = answer;
+ *
+ * return 0;
+ * }
+ *
+ * static int teardown(void **state) {
+ * free(*state);
+ *
+ * return 0;
+ * }
+ *
+ * static void null_test_success(void **state) {
+ * (void) state;
+ * }
+ *
+ * static void int_test_success(void **state) {
+ * int *answer = *state;
+ * assert_int_equal(*answer, 42);
+ * }
+ *
+ * int main(void) {
+ * const struct CMUnitTest tests[] = {
+ * cmocka_unit_test(null_test_success),
+ * cmocka_unit_test_setup_teardown(int_test_success, setup, teardown),
+ * };
+ *
+ * return cmocka_run_group_tests_name("success_test", tests, NULL, NULL);
+ * }
+ * @endcode
+ *
+ * @see cmocka_unit_test
+ * @see cmocka_unit_test_setup
+ * @see cmocka_unit_test_teardown
+ * @see cmocka_unit_test_setup_teardown
+ */
+int cmocka_run_group_tests_name(const char *group_name,
+ const struct CMUnitTest group_tests[],
+ CMFixtureFunction group_setup,
+ CMFixtureFunction group_teardown);
+#else
+# define cmocka_run_group_tests_name(group_name, group_tests, group_setup, group_teardown) \
+ _cmocka_run_group_tests(group_name, group_tests, sizeof(group_tests) / sizeof((group_tests)[0]), group_setup, group_teardown)
+#endif
+
+/** @} */
+
+/**
+ * @defgroup cmocka_alloc Dynamic Memory Allocation
+ * @ingroup cmocka
+ *
+ * Memory leaks, buffer overflows and underflows can be checked using cmocka.
+ *
+ * To test for memory leaks, buffer overflows and underflows a module being
+ * tested by cmocka should replace calls to malloc(), calloc() and free() to
+ * test_malloc(), test_calloc() and test_free() respectively. Each time a block
+ * is deallocated using test_free() it is checked for corruption, if a corrupt
+ * block is found a test failure is signalled. All blocks allocated using the
+ * test_*() allocation functions are tracked by the cmocka library. When a test
+ * completes if any allocated blocks (memory leaks) remain they are reported
+ * and a test failure is signalled.
+ *
+ * For simplicity cmocka currently executes all tests in one process. Therefore
+ * all test cases in a test application share a single address space which
+ * means memory corruption from a single test case could potentially cause the
+ * test application to exit prematurely.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Test function overriding malloc.
+ *
+ * @param[in] size The bytes which should be allocated.
+ *
+ * @return A pointer to the allocated memory or NULL on error.
+ *
+ * @code
+ * #ifdef UNIT_TESTING
+ * extern void* _test_malloc(const size_t size, const char* file, const int line);
+ *
+ * #define malloc(size) _test_malloc(size, __FILE__, __LINE__)
+ * #endif
+ *
+ * void leak_memory() {
+ * int * const temporary = (int*)malloc(sizeof(int));
+ * *temporary = 0;
+ * }
+ * @endcode
+ *
+ * @see malloc(3)
+ */
+void *test_malloc(size_t size);
+#else
+#define test_malloc(size) _test_malloc(size, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Test function overriding calloc.
+ *
+ * The memory is set to zero.
+ *
+ * @param[in] nmemb The number of elements for an array to be allocated.
+ *
+ * @param[in] size The size in bytes of each array element to allocate.
+ *
+ * @return A pointer to the allocated memory, NULL on error.
+ *
+ * @see calloc(3)
+ */
+void *test_calloc(size_t nmemb, size_t size);
+#else
+#define test_calloc(num, size) _test_calloc(num, size, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Test function overriding realloc which detects buffer overruns
+ * and memoery leaks.
+ *
+ * @param[in] ptr The memory block which should be changed.
+ *
+ * @param[in] size The bytes which should be allocated.
+ *
+ * @return The newly allocated memory block, NULL on error.
+ */
+void *test_realloc(void *ptr, size_t size);
+#else
+#define test_realloc(ptr, size) _test_realloc(ptr, size, __FILE__, __LINE__)
+#endif
+
+#ifdef DOXYGEN
+/**
+ * @brief Test function overriding free(3).
+ *
+ * @param[in] ptr The pointer to the memory space to free.
+ *
+ * @see free(3).
+ */
+void test_free(void *ptr);
+#else
+#define test_free(ptr) _test_free(ptr, __FILE__, __LINE__)
+#endif
+
+/* Redirect malloc, calloc and free to the unit test allocators. */
+#ifdef UNIT_TESTING
+#define malloc test_malloc
+#define realloc test_realloc
+#define calloc test_calloc
+#define free test_free
+#endif /* UNIT_TESTING */
+
+/** @} */
+
+
+/**
+ * @defgroup cmocka_mock_assert Standard Assertions
+ * @ingroup cmocka
+ *
+ * How to handle assert(3) of the standard C library.
+ *
+ * Runtime assert macros like the standard C library's assert() should be
+ * redefined in modules being tested to use cmocka's mock_assert() function.
+ * Normally mock_assert() signals a test failure. If a function is called using
+ * the expect_assert_failure() macro, any calls to mock_assert() within the
+ * function will result in the execution of the test. If no calls to
+ * mock_assert() occur during the function called via expect_assert_failure() a
+ * test failure is signalled.
+ *
+ * @{
+ */
+
+/**
+ * @brief Function to replace assert(3) in tested code.
+ *
+ * In conjuction with check_assert() it's possible to determine whether an
+ * assert condition has failed without stopping a test.
+ *
+ * @param[in] result The expression to assert.
+ *
+ * @param[in] expression The expression as string.
+ *
+ * @param[in] file The file mock_assert() is called.
+ *
+ * @param[in] line The line mock_assert() is called.
+ *
+ * @code
+ * #ifdef UNIT_TESTING
+ * extern void mock_assert(const int result, const char* const expression,
+ * const char * const file, const int line);
+ *
+ * #undef assert
+ * #define assert(expression) \
+ * mock_assert((int)(expression), #expression, __FILE__, __LINE__);
+ * #endif
+ *
+ * void increment_value(int * const value) {
+ * assert(value);
+ * (*value) ++;
+ * }
+ * @endcode
+ *
+ * @see assert(3)
+ * @see expect_assert_failure
+ */
+void mock_assert(const int result, const char* const expression,
+ const char * const file, const int line);
+
+#ifdef DOXYGEN
+/**
+ * @brief Ensure that mock_assert() is called.
+ *
+ * If mock_assert() is called the assert expression string is returned.
+ *
+ * @param[in] fn_call The function will will call mock_assert().
+ *
+ * @code
+ * #define assert mock_assert
+ *
+ * void showmessage(const char *message) {
+ * assert(message);
+ * }
+ *
+ * int main(int argc, const char* argv[]) {
+ * expect_assert_failure(show_message(NULL));
+ * printf("succeeded\n");
+ * return 0;
+ * }
+ * @endcode
+ *
+ */
+void expect_assert_failure(function fn_call);
+#else
+#define expect_assert_failure(function_call) \
+ { \
+ const int result = setjmp(global_expect_assert_env); \
+ global_expecting_assert = 1; \
+ if (result) { \
+ print_message("Expected assertion %s occurred\n", \
+ global_last_failed_assert); \
+ global_expecting_assert = 0; \
+ } else { \
+ function_call ; \
+ global_expecting_assert = 0; \
+ print_error("Expected assert in %s\n", #function_call); \
+ _fail(__FILE__, __LINE__); \
+ } \
+ }
+#endif
+
+/** @} */
+
+/* Function prototype for setup, test and teardown functions. */
+typedef void (*UnitTestFunction)(void **state);
+
+/* Function that determines whether a function parameter value is correct. */
+typedef int (*CheckParameterValue)(const LargestIntegralType value,
+ const LargestIntegralType check_value_data);
+
+/* Type of the unit test function. */
+typedef enum UnitTestFunctionType {
+ UNIT_TEST_FUNCTION_TYPE_TEST = 0,
+ UNIT_TEST_FUNCTION_TYPE_SETUP,
+ UNIT_TEST_FUNCTION_TYPE_TEARDOWN,
+ UNIT_TEST_FUNCTION_TYPE_GROUP_SETUP,
+ UNIT_TEST_FUNCTION_TYPE_GROUP_TEARDOWN,
+} UnitTestFunctionType;
+
+/*
+ * Stores a unit test function with its name and type.
+ * NOTE: Every setup function must be paired with a teardown function. It's
+ * possible to specify NULL function pointers.
+ */
+typedef struct UnitTest {
+ const char* name;
+ UnitTestFunction function;
+ UnitTestFunctionType function_type;
+} UnitTest;
+
+typedef struct GroupTest {
+ UnitTestFunction setup;
+ UnitTestFunction teardown;
+ const UnitTest *tests;
+ const size_t number_of_tests;
+} GroupTest;
+
+/* Function prototype for test functions. */
+typedef void (*CMUnitTestFunction)(void **state);
+
+/* Function prototype for setup and teardown functions. */
+typedef int (*CMFixtureFunction)(void **state);
+
+struct CMUnitTest {
+ const char *name;
+ CMUnitTestFunction test_func;
+ CMFixtureFunction setup_func;
+ CMFixtureFunction teardown_func;
+ void *initial_state;
+};
+
+/* Location within some source code. */
+typedef struct SourceLocation {
+ const char* file;
+ int line;
+} SourceLocation;
+
+/* Event that's called to check a parameter value. */
+typedef struct CheckParameterEvent {
+ SourceLocation location;
+ const char *parameter_name;
+ CheckParameterValue check_value;
+ LargestIntegralType check_value_data;
+} CheckParameterEvent;
+
+/* Used by expect_assert_failure() and mock_assert(). */
+extern int global_expecting_assert;
+extern jmp_buf global_expect_assert_env;
+extern const char * global_last_failed_assert;
+
+/* Retrieves a value for the given function, as set by "will_return". */
+LargestIntegralType _mock(const char * const function, const char* const file,
+ const int line);
+
+void _expect_function_call(
+ const char * const function_name,
+ const char * const file,
+ const int line,
+ const int count);
+
+void _function_called(const char * const function, const char* const file,
+ const int line);
+
+void _expect_check(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line,
+ const CheckParameterValue check_function,
+ const LargestIntegralType check_data, CheckParameterEvent * const event,
+ const int count);
+
+void _expect_in_set(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const LargestIntegralType values[],
+ const size_t number_of_values, const int count);
+void _expect_not_in_set(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const LargestIntegralType values[],
+ const size_t number_of_values, const int count);
+
+void _expect_in_range(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line,
+ const LargestIntegralType minimum,
+ const LargestIntegralType maximum, const int count);
+void _expect_not_in_range(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line,
+ const LargestIntegralType minimum,
+ const LargestIntegralType maximum, const int count);
+
+void _expect_value(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const LargestIntegralType value,
+ const int count);
+void _expect_not_value(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const LargestIntegralType value,
+ const int count);
+
+void _expect_string(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const char* string,
+ const int count);
+void _expect_not_string(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const char* string,
+ const int count);
+
+void _expect_memory(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const void* const memory,
+ const size_t size, const int count);
+void _expect_not_memory(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const void* const memory,
+ const size_t size, const int count);
+
+void _expect_any(
+ const char* const function, const char* const parameter,
+ const char* const file, const int line, const int count);
+
+void _check_expected(
+ const char * const function_name, const char * const parameter_name,
+ const char* file, const int line, const LargestIntegralType value);
+
+void _will_return(const char * const function_name, const char * const file,
+ const int line, const LargestIntegralType value,
+ const int count);
+void _assert_true(const LargestIntegralType result,
+ const char* const expression,
+ const char * const file, const int line);
+void _assert_return_code(const LargestIntegralType result,
+ size_t rlen,
+ const LargestIntegralType error,
+ const char * const expression,
+ const char * const file,
+ const int line);
+void _assert_int_equal(
+ const LargestIntegralType a, const LargestIntegralType b,
+ const char * const file, const int line);
+void _assert_int_not_equal(
+ const LargestIntegralType a, const LargestIntegralType b,
+ const char * const file, const int line);
+void _assert_string_equal(const char * const a, const char * const b,
+ const char * const file, const int line);
+void _assert_string_not_equal(const char * const a, const char * const b,
+ const char *file, const int line);
+void _assert_memory_equal(const void * const a, const void * const b,
+ const size_t size, const char* const file,
+ const int line);
+void _assert_memory_not_equal(const void * const a, const void * const b,
+ const size_t size, const char* const file,
+ const int line);
+void _assert_in_range(
+ const LargestIntegralType value, const LargestIntegralType minimum,
+ const LargestIntegralType maximum, const char* const file, const int line);
+void _assert_not_in_range(
+ const LargestIntegralType value, const LargestIntegralType minimum,
+ const LargestIntegralType maximum, const char* const file, const int line);
+void _assert_in_set(
+ const LargestIntegralType value, const LargestIntegralType values[],
+ const size_t number_of_values, const char* const file, const int line);
+void _assert_not_in_set(
+ const LargestIntegralType value, const LargestIntegralType values[],
+ const size_t number_of_values, const char* const file, const int line);
+
+void* _test_malloc(const size_t size, const char* file, const int line);
+void* _test_realloc(void *ptr, const size_t size, const char* file, const int line);
+void* _test_calloc(const size_t number_of_elements, const size_t size,
+ const char* file, const int line);
+void _test_free(void* const ptr, const char* file, const int line);
+
+void _fail(const char * const file, const int line);
+
+void _skip(const char * const file, const int line);
+
+int _run_test(
+ const char * const function_name, const UnitTestFunction Function,
+ void ** const volatile state, const UnitTestFunctionType function_type,
+ const void* const heap_check_point);
+CMOCKA_DEPRECATED int _run_tests(const UnitTest * const tests,
+ const size_t number_of_tests);
+CMOCKA_DEPRECATED int _run_group_tests(const UnitTest * const tests,
+ const size_t number_of_tests);
+
+/* Test runner */
+int _cmocka_run_group_tests(const char *group_name,
+ const struct CMUnitTest * const tests,
+ const size_t num_tests,
+ CMFixtureFunction group_setup,
+ CMFixtureFunction group_teardown);
+
+/* Standard output and error print methods. */
+void print_message(const char* const format, ...) CMOCKA_PRINTF_ATTRIBUTE(1, 2);
+void print_error(const char* const format, ...) CMOCKA_PRINTF_ATTRIBUTE(1, 2);
+void vprint_message(const char* const format, va_list args) CMOCKA_PRINTF_ATTRIBUTE(1, 0);
+void vprint_error(const char* const format, va_list args) CMOCKA_PRINTF_ATTRIBUTE(1, 0);
+
+enum cm_message_output {
+ CM_OUTPUT_STDOUT,
+ CM_OUTPUT_SUBUNIT,
+ CM_OUTPUT_TAP,
+ CM_OUTPUT_XML,
+};
+
+/**
+ * @brief Function to set the output format for a test.
+ *
+ * The ouput format for the test can either be set globally using this
+ * function or overriden with environment variable CMOCKA_MESSAGE_OUTPUT.
+ *
+ * The environment variable can be set to either STDOUT, SUBUNIT, TAP or XML.
+ *
+ * @param[in] output The output format to use for the test.
+ *
+ */
+void cmocka_set_message_output(enum cm_message_output output);
+
+
+/**
+ * @brief Set a pattern to only run the test matching the pattern.
+ *
+ * This allows to filter tests and only run the ones matching the pattern. Thep
+ * pattern can include two wildards. The first is '*', a wildcard that matches
+ * zero or more characters, or ‘?’, a wildcard that matches exactly one
+ * character.
+ *
+ * @param[in] pattern The pattern to match, e.g. "test_wurst*"
+ */
+void cmocka_set_test_filter(const char *pattern);
+
+/** @} */
+
+#endif /* CMOCKA_H_ */