/* -*- C++ -*-

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

 *

 * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, 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 number.");

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

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

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

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

    }

  }

} //namespace lemon

#endif