projects / people / ms / strongswan.git / blame
| Commit | Line | Data |
|---|---|---|
| 4cea186b TB |
1 | /* |
| 2 | * Copyright (C) 2013 Tobias Brunner | |
| 3 | * Hochschule fuer Technik Rapperswil | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU General Public License as published by the | |
| 7 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 8 | * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, but | |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 12 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 | * for more details. | |
| 14 | */ | |
| 15 | ||
| 16 | /** | |
| 17 | * @defgroup test test | |
| 18 | * @{ @ingroup utils | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef TEST_H_ | |
| 22 | #define TEST_H_ | |
| 23 | ||
| 24 | #include "collections/hashtable.h" | |
| 25 | ||
| 26 | /** | |
| 27 | * Collection of testable functions. | |
| 28 | * | |
| 29 | * @note Is initialized only if libtest is loaded. | |
| 30 | */ | |
| 31 | extern hashtable_t *testable_functions; | |
| 32 | ||
| 33 | /** | |
| 34 | * Register a (possibly static) function so that it can be called from tests. | |
| 35 | * | |
| 36 | * @param name name (namespace/function) | |
| 37 | * @param fn function to register (set to NULL to unregister) | |
| 38 | */ | |
| 39 | void testable_function_register(char *name, void *fn); | |
| 40 | ||
| 41 | /** | |
| 42 | * Macro to automatically register/unregister a function that can be called | |
| 43 | * from tests. | |
| 44 | * | |
| f1e12da7 TB |
45 | * @note The constructor has a priority set so that it runs after the |
| 46 | * constructor that creates the hashtable. The destructor, on the other hand, | |
| 47 | * does not have a priority set, as test coverage would report that function as | |
| 48 | * untested otherwise. | |
| 49 | * | |
| 4cea186b TB |
50 | * @param ns namespace |
| 51 | * @param fn function to register | |
| 52 | */ | |
| 53 | #define EXPORT_FUNCTION_FOR_TESTS(ns, fn) \ | |
| 54 | static void testable_function_register_##fn() __attribute__ ((constructor(2000))); \ | |
| 55 | static void testable_function_register_##fn() \ | |
| 56 | { \ | |
| 57 | testable_function_register(#ns "/" #fn, fn); \ | |
| 58 | } \ | |
| f1e12da7 | 59 | static void testable_function_unregister_##fn() __attribute__ ((destructor)); \ |
| 4cea186b TB |
60 | static void testable_function_unregister_##fn() \ |
| 61 | { \ | |
| 62 | testable_function_register(#ns "/" #fn, NULL); \ | |
| 63 | } | |
| 64 | ||
| 65 | /** | |
| 66 | * Import a registered function so that it can be called from tests. | |
| 67 | * | |
| 68 | * @note If the imported function is static (or no conflicting header files | |
| 69 | * are included) ret can be prefixed with static to declare the function static. | |
| 70 | * | |
| 71 | * @note We allocate an arbitrary amount of stack space, hopefully enough for | |
| 72 | * all arguments. | |
| 73 | * | |
| 74 | * @param ns namespace of the function | |
| 75 | * @param name name of the function | |
| 76 | * @param ret return type of the function | |
| 77 | * @param ... arguments of the function | |
| 78 | */ | |
| 79 | #define IMPORT_FUNCTION_FOR_TESTS(ns, name, ret, ...) \ | |
| 80 | ret name(__VA_ARGS__) \ | |
| 81 | { \ | |
| 82 | void (*fn)() = NULL; \ | |
| 83 | if (testable_functions) \ | |
| 84 | { \ | |
| 85 | fn = testable_functions->get(testable_functions, #ns "/" #name); \ | |
| 86 | } \ | |
| 87 | if (fn) \ | |
| 88 | { \ | |
| 89 | void *args = __builtin_apply_args(); \ | |
| 90 | __builtin_return(__builtin_apply(fn, args, 16*sizeof(void*))); \ | |
| 91 | } \ | |
| 92 | test_fail_msg(__FILE__, __LINE__, "function " #name " (" #ns ") not found"); \ | |
| 93 | __builtin_return(NULL); \ | |
| 94 | } | |
| 95 | ||
| 96 | #endif /** TEST_H_ @}*/ |