/* -*- C++ -*-

  * src/test/graph_utils_test.h - Part of LEMON, a generic C++ optimization library

  *

  * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Combinatorial Optimization Research Group, EGRES).

  *

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * precise terms see the accompanying LICENSE file.

  *

  * This software is provided "AS IS" with no warranty of any kind,

  * express or implied, and with no claim as to its suitability for any

  * purpose.

  *

  */

 #ifndef LEMON_TEST_GRAPH_UTILS_TEST_H

 #define LEMON_TEST_GRAPH_UTILS_TEST_H

 #include "test_tools.h"

 //! \ingroup misc

 //! \file

 //! \brief Test cases for graph utils.

 namespace lemon {

   template <typename Graph>

   void checkGraphCounters() {

     const int num = 5;

     Graph graph;

     addPetersen(graph, num);

     bidirGraph(graph);

     check(countNodes(graph) == 2*num, "Wrong node counter.");

     check(countEdges(graph) == 6*num, "Wrong edge counter.");    

     for (typename Graph::NodeIt it(graph); it != INVALID; ++it) {

       check(countOutEdges(graph, it) == 3, "Wrong out degree counter.");

       check(countInEdges(graph, it) == 3, "Wrong in degree counter.");

     }

   }

 } //namespace lemon

 #endif