/* -*- C++ -*-

 * src/test/suurballe_test.cc - 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.

 *

 */

#include <iostream>

#include <lemon/list_graph.h>

#include <lemon/suurballe.h>

//#include <path.h>

#include "test_tools.h"

using namespace std;

using namespace lemon;

bool passed = true;

int main()

{

  typedef ListGraph::Node Node;

  typedef ListGraph::Edge Edge;

  ListGraph graph;

  //Ahuja könyv példája

  Node s=graph.addNode();

  Node v1=graph.addNode();  

  Node v2=graph.addNode();

  Node v3=graph.addNode();

  Node v4=graph.addNode();

  Node v5=graph.addNode();

  Node t=graph.addNode();

  Edge s_v1=graph.addEdge(s, v1);

  Edge v1_v2=graph.addEdge(v1, v2);

  Edge s_v3=graph.addEdge(s, v3);

  Edge v2_v4=graph.addEdge(v2, v4);

  Edge v2_v5=graph.addEdge(v2, v5);

  Edge v3_v5=graph.addEdge(v3, v5);

  Edge v4_t=graph.addEdge(v4, t);

  Edge v5_t=graph.addEdge(v5, t);

  ListGraph::EdgeMap<int> length(graph);

  length.set(s_v1, 6);

  length.set(v1_v2, 4);

  length.set(s_v3, 10);

  length.set(v2_v4, 5);

  length.set(v2_v5, 1);

  length.set(v3_v5, 5);

  length.set(v4_t, 8);

  length.set(v5_t, 8);

  std::cout << "Minlengthpaths algorithm test..." << std::endl;

  int k=3;

  Suurballe< ListGraph, ListGraph::EdgeMap<int> >

    surb_test(graph, length);

  check(  surb_test.run(s,t,k) == 2 && surb_test.totalLength() == 46,

	  "Two paths, total length should be 46");

  check(  surb_test.checkComplementarySlackness(),

	  "Complementary slackness conditions are not met.");

  //  typedef DirPath<ListGraph> DPath;

  //  DPath P(graph);

  /*

  surb_test.getPath(P,0);

  check(P.length() == 4, "First path should contain 4 edges.");  

  cout<<P.length()<<endl;

  surb_test.getPath(P,1);

  check(P.length() == 3, "Second path: 3 edges.");

  cout<<P.length()<<endl;

  */  

  k=1;

  check(  surb_test.run(s,t,k) == 1 && surb_test.totalLength() == 19,

	  "One path, total length should be 19");

  check(  surb_test.checkComplementarySlackness(),

	  "Complementary slackness conditions are not met.");

  //  surb_test.getPath(P,0);

  //  check(P.length() == 4, "First path should contain 4 edges.");  

  cout << (passed ? "All tests passed." : "Some of the tests failed!!!")

       << endl;

  return passed ? 0 : 1;

}