95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
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* Copyright (C) 2013 Tobias Brunner
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup test test
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* @{ @ingroup utils
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*/
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#ifndef TEST_H_
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#define TEST_H_
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#include "collections/hashtable.h"
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/**
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* Register a (possibly static) function so that it can be called from tests.
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*
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* @param name name (namespace/function)
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* @param fn function to register (set to NULL to unregister)
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*/
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void testable_function_register(char *name, void *fn);
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/**
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* Find a previously registered testable function.
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*
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* @param name name (namespace/function)
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* @return function, NULL if not found
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*/
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void* testable_function_get(char *name);
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/**
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* Macro to automatically register/unregister a function that can be called
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* from tests.
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*
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* @note The constructor has a priority set so that it runs after the
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* constructor that creates the hashtable. The destructor, on the other hand,
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* does not have a priority set, as test coverage would report that function as
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* untested otherwise.
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*
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* @param ns namespace
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* @param fn function to register
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*/
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#define EXPORT_FUNCTION_FOR_TESTS(ns, fn) \
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static void testable_function_register_##fn() __attribute__ ((constructor)); \
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static void testable_function_register_##fn() \
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{ \
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testable_function_register(#ns "/" #fn, fn); \
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} \
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static void testable_function_unregister_##fn() __attribute__ ((destructor)); \
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static void testable_function_unregister_##fn() \
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{ \
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testable_function_register(#ns "/" #fn, NULL); \
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}
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/**
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* Import a registered function so that it can be called from tests.
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*
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* @param ns namespace of the function
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* @param name name of the function
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* @param ret return type of the function
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* @param ... arguments of the function
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*/
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#define IMPORT_FUNCTION_FOR_TESTS(ns, name, ret, ...) \
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static ret (*TEST_##ns##name)(__VA_ARGS__);
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/**
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* Call a registered function from tests.
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*
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* @param ns namespace of the function
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* @param name name of the function
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* @param ... arguments for the function
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*/
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#define TEST_FUNCTION(ns, name, ...) \
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({ \
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TEST_##ns##name = testable_function_get( #ns "/" #name); \
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if (!TEST_##ns##name) \
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{ \
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test_fail_msg(__FILE__, __LINE__, "function " #name " (" #ns ") not found"); \
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} \
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TEST_##ns##name(__VA_ARGS__); \
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})
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#endif /** TEST_H_ @}*/
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