test/test_tools.h
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     1 /* -*- C++ -*-
       
     2  *
       
     3  * This file is a part of LEMON, a generic C++ optimization library
       
     4  *
       
     5  * Copyright (C) 2003-2007
       
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
       
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
       
     8  *
       
     9  * Permission to use, modify and distribute this software is granted
       
    10  * provided that this copyright notice appears in all copies. For
       
    11  * precise terms see the accompanying LICENSE file.
       
    12  *
       
    13  * This software is provided "AS IS" with no warranty of any kind,
       
    14  * express or implied, and with no claim as to its suitability for any
       
    15  * purpose.
       
    16  *
       
    17  */
       
    18 
       
    19 #ifndef LEMON_TEST_TEST_TOOLS_H
       
    20 #define LEMON_TEST_TEST_TOOLS_H
       
    21 
       
    22 #include <iostream>
       
    23 
       
    24 //! \ingroup misc
       
    25 //! \file
       
    26 //! \brief Some utilities to write test programs.
       
    27 
       
    28 
       
    29 ///If \c rc is fail, writes an error message end exit.
       
    30 
       
    31 ///If \c rc is fail, writes an error message end exit.
       
    32 ///The error message contains the file name and the line number of the
       
    33 ///source code in a standard from, which makes it possible to go there
       
    34 ///using good source browsers like e.g. \c emacs.
       
    35 ///
       
    36 ///For example
       
    37 ///\code check(0==1,"This is obviously false.");\endcode will
       
    38 ///print this (and then exits).
       
    39 ///\verbatim graph_test.cc:123: error: This is obviously false. \endverbatim
       
    40 ///
       
    41 ///\todo It should be in \c error.h
       
    42 #define check(rc, msg) \
       
    43   if(!(rc)) { \
       
    44     std::cerr << __FILE__ ":" << __LINE__ << ": error: " << msg << std::endl; \
       
    45     abort(); \
       
    46   } else { } \
       
    47 
       
    48 #endif