alpar@574: #ifndef HUGO_TEST_TEST_TOOLS_H
alpar@574: #define HUGO_TEST_TEST_TOOLS_H
alpar@574: 
alpar@574: //! \ingroup misc
alpar@574: //! \file
alpar@574: //! \brief Some utility to write test programs.
alpar@574: 
alpar@574: 
alpar@574: #include<iostream>
alpar@574: #include<vector>
alpar@574: 
alpar@574: //If \c rc is fail, writes an error message end exit.
alpar@574: 
alpar@574: ///If \c rc is fail, writes an error message end exit.
alpar@574: ///The error message contains the file name and the line number of the
alpar@574: ///source code is a standard from, which makes it possible to go there
alpar@574: ///using good source browsers like e.g. \c emacs.
alpar@574: ///
alpar@574: ///For example
alpar@574: ///\code check(0==1,"This is obviously false.");\endcode will
alpar@574: ///print this (and then exits).
alpar@574: ///\verbatim graph_test.cc:123: error: This is obviously false. \endverbatim
alpar@574: #define check(rc, msg) \
alpar@574:   if(!(rc)) { \
alpar@574:     std::cerr << __FILE__ ":" << __LINE__ << ": error: " << msg << std::endl; \
alpar@574:     exit(1); \
alpar@574:   } else { } \
alpar@574: 
alpar@574: ///Structure returned by \ref addPetersen().
alpar@574: 
alpar@574: ///Structure returned by \ref addPetersen().
alpar@574: ///
alpar@574: template<class Graph> struct PetStruct
alpar@574: {
alpar@574:   ///.
alpar@574:   std::vector<typename Graph::Node> outer, inner;
alpar@574:   ///.
alpar@574:   std::vector<typename Graph::Edge> outcir, incir, chords;
alpar@574: };
alpar@574: 
alpar@574: ///Adds a Petersen graph to \c G.
alpar@574: 
alpar@574: ///Adds a Petersen graph to \c G.
alpar@574: ///The nodes end edges will be listed in the return structure.
alpar@574: template<class Graph> PetStruct<Graph> addPetersen(Graph &G,int num=5)
alpar@574: {
alpar@574:   PetStruct<Graph> n;
alpar@574: 
alpar@574:   for(int i=0;i<num;i++) {
alpar@574:     n.outer.push_back(G.addNode());
alpar@574:     n.inner.push_back(G.addNode());
alpar@574:   }
alpar@574: 
alpar@574:  for(int i=0;i<num;i++) {
alpar@574:    n.chords.push_back(G.addEdge(n.outer[i],n.inner[i]));
alpar@574:    n.outcir.push_back(G.addEdge(n.outer[i],n.outer[(i+1)%5]));
alpar@574:    n.incir.push_back(G.addEdge(n.inner[i],n.inner[(i+2)%5]));
alpar@574:   }
alpar@574:  return n;
alpar@574: }
alpar@574: 
alpar@574: 
alpar@574: 
alpar@574: #endif