src/test/test_tools.h
changeset 626 0015642b0990
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     1 #ifndef HUGO_TEST_TEST_TOOLS_H
       
     2 #define HUGO_TEST_TEST_TOOLS_H
       
     3 
       
     4 //! \ingroup misc
       
     5 //! \file
       
     6 //! \brief Some utility to write test programs.
       
     7 
       
     8 
       
     9 #include<iostream>
       
    10 #include<vector>
       
    11 
       
    12 //If \c rc is fail, writes an error message end exit.
       
    13 
       
    14 ///If \c rc is fail, writes an error message end exit.
       
    15 ///The error message contains the file name and the line number of the
       
    16 ///source code is a standard from, which makes it possible to go there
       
    17 ///using good source browsers like e.g. \c emacs.
       
    18 ///
       
    19 ///For example
       
    20 ///\code check(0==1,"This is obviously false.");\endcode will
       
    21 ///print this (and then exits).
       
    22 ///\verbatim graph_test.cc:123: error: This is obviously false. \endverbatim
       
    23 #define check(rc, msg) \
       
    24   if(!(rc)) { \
       
    25     std::cerr << __FILE__ ":" << __LINE__ << ": error: " << msg << std::endl; \
       
    26     exit(1); \
       
    27   } else { } \
       
    28 
       
    29 ///Structure returned by \ref addPetersen().
       
    30 
       
    31 ///Structure returned by \ref addPetersen().
       
    32 ///
       
    33 template<class Graph> struct PetStruct
       
    34 {
       
    35   ///.
       
    36   std::vector<typename Graph::Node> outer, inner;
       
    37   ///.
       
    38   std::vector<typename Graph::Edge> outcir, incir, chords;
       
    39 };
       
    40 
       
    41 ///Adds a Petersen graph to \c G.
       
    42 
       
    43 ///Adds a Petersen graph to \c G.
       
    44 ///The nodes end edges will be listed in the return structure.
       
    45 template<class Graph> PetStruct<Graph> addPetersen(Graph &G,int num=5)
       
    46 {
       
    47   PetStruct<Graph> n;
       
    48 
       
    49   for(int i=0;i<num;i++) {
       
    50     n.outer.push_back(G.addNode());
       
    51     n.inner.push_back(G.addNode());
       
    52   }
       
    53 
       
    54  for(int i=0;i<num;i++) {
       
    55    n.chords.push_back(G.addEdge(n.outer[i],n.inner[i]));
       
    56    n.outcir.push_back(G.addEdge(n.outer[i],n.outer[(i+1)%5]));
       
    57    n.incir.push_back(G.addEdge(n.inner[i],n.inner[(i+2)%5]));
       
    58   }
       
    59  return n;
       
    60 }
       
    61 
       
    62 
       
    63 
       
    64 #endif