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/*
* Copyright (C) 2013 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#ifndef TEST_UTILS_H_
#define TEST_UTILS_H_
#include <check.h>
#include <library.h>
#include <utils/debug.h>
/**
* Used to mark test cases that use test fixtures.
*/
#define UNIT_TEST_FIXTURE_USED "UNIT_TEST_FIXTURE_USED"
/**
* Check for memory leaks and fail if any are encountered.
*/
#define CHECK_FOR_LEAKS() do \
{ \
if (lib->leak_detective) \
{ \
if (lib->leak_detective->leaks(lib->leak_detective)) { \
lib->leak_detective->report(lib->leak_detective, TRUE); \
} \
ck_assert_int_eq(lib->leak_detective->leaks(lib->leak_detective), 0); \
} \
} \
while(0)
/**
* Extended versions of the START|END_TEST macros that use leak detective.
*
* Since each test case runs in its own fork of the test runner the stuff
* allocated before the test starts is not freed, so leak detective is disabled
* by default to prevent false positives. By enabling it right when the test
* starts we at least capture leaks created by the tested objects/functions and
* the test case itself. This allows writing test cases for cleanup functions.
*
* To define test fixture with possibly allocated/destroyed memory that is
* allocated/freed in a test case use the START|END_SETUP|TEARDOWN macros.
*/
#undef START_TEST
#define START_TEST(name) \
static void name (int _i CK_ATTRIBUTE_UNUSED) \
{ \
tcase_fn_start(""#name, __FILE__, __LINE__); \
dbg_default_set_level(LEVEL_SILENT); \
if (lib->leak_detective) \
{ \
lib->leak_detective->set_state(lib->leak_detective, TRUE); \
}
#undef END_TEST
#define END_TEST \
if (!lib->get(lib, UNIT_TEST_FIXTURE_USED)) \
{ \
CHECK_FOR_LEAKS(); \
} \
}
/**
* Define a function to setup a test fixture that can be used with the above
* macros.
*/
#define START_SETUP(name) \
static void name() \
{ \
lib->set(lib, UNIT_TEST_FIXTURE_USED, (void*)TRUE); \
if (lib->leak_detective) \
{ \
lib->leak_detective->set_state(lib->leak_detective, TRUE); \
}
/**
* End a setup function
*/
#define END_SETUP }
/**
* Define a function to teardown a test fixture that can be used with the above
* macros.
*/
#define START_TEARDOWN(name) \
static void name() \
{
/**
* End a teardown function
*/
#define END_TEARDOWN \
if (lib->get(lib, UNIT_TEST_FIXTURE_USED)) \
{ \
CHECK_FOR_LEAKS(); \
} \
}
#endif /** TEST_UTILS_H_ */
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