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/*
* Copyright (c) 2016 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Pokorny <jpokorny@redhat.com>
*
* This file is part of libqb.
*
* libqb is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* libqb is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libqb. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QB_CHECK_COMMON_H_DEFINED
#define QB_CHECK_COMMON_H_DEFINED
#include <check.h>
/*
Auxiliary macros
*/
#define JOIN(a, b) a##b
#define _STRINGIFY(arg) #arg
#define STRINGIFY(arg) _STRINGIFY(arg)
/* wide-spread technique, see, e.g.,
http://cplusplus.co.il/2010/07/17/variadic-macro-to-count-number-of-arguments
*/
#define VA_ARGS_CNT(...) VA_ARGS_CNT_IMPL(__VA_ARGS__,8,7,6,5,4,3,2,1,_)
#define VA_ARGS_CNT_IMPL(_1,_2,_3,_4,_5,_6,_7,_8,N,...) N
/* add_tcase "overloading" per argument count;
"func" argument is assumed to always starts with "test_", which is skipped
for the purpose of naming the respective test case that's being created */
#define add_tcase_select(cnt) JOIN(add_tcase_, cnt)
#define add_tcase_3(suite, tcase, func) \
do { \
(tcase) = tcase_create(STRINGIFY(func) + sizeof("test")); \
tcase_add_test((tcase), func); \
suite_add_tcase((suite), (tcase)); \
} while (0)
#define add_tcase_4(suite, tcase, func, timeout) \
do { \
(tcase) = tcase_create(STRINGIFY(func) + sizeof("test")); \
tcase_add_test((tcase), func); \
tcase_set_timeout((tcase), (timeout)); \
suite_add_tcase((suite), (tcase)); \
} while (0)
/*
Use-me macros
*/
/* add_tcase(<dest-suite>, <testcase-tmp-storage>, <function>[, <timeout>]) */
#define add_tcase(...) add_tcase_select(VA_ARGS_CNT(__VA_ARGS__))(__VA_ARGS__)
/* expected failure (the timeout argument is mandatory here) */
#define add_tcase_xfail(suite, tcase, func, timeout) \
do { \
(tcase) = tcase_create(STRINGIFY(func) + sizeof("test")); \
tcase_add_exit_test((tcase), func, 1); \
tcase_set_timeout((tcase), (timeout)); \
suite_add_tcase((suite), (tcase)); \
} while (0)
#endif
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