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Assert.hpp
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1 /*
2  * Assert.hpp
3  *
4  * Copyright (C) 2012 Evidence Srl - www.evidence.eu.com
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef ASSERT_HPP_
22 #define ASSERT_HPP_
23 
24 #include <iostream>
25 #include <cstdlib>
26 
27 /**
28  * \brief It prints the failed message and aborts the execution.
29  *
30  * This function is not meant to be used directly. Use VERIFY_ASSERTION.
31  * @param expr The expression that has been evaluated.
32  * @param file The file containing the evaluated expression.
33  * @param line The line that contains the evaluated expression.
34  */
35 inline void AssertionFailedMsg(const char* expr, const char* file, int line)
36 {
37  std::cerr << "Assertion \"" << expr << "\" failed [" << file << ":"
38  << line << "]" << std::endl;
39  std::abort();
40 }
41 
42 /** \brief Macro to evaluate an expression.
43  *
44  * If the expression evaluates to false then the AssertionFailedMsg function is
45  * called.
46  */
47 #define VERIFY_ASSERTION(expr) \
48  (expr ? static_cast<void>(0) : AssertionFailedMsg(#expr, __FILE__,\
49  __LINE__))
50 
51 #endif /* ASSERT_HPP_ */