src/test/suurballe_test.cc
changeset 1435 8e85e6bbefdf
parent 1164 80bb73097736
equal deleted inserted replaced
5:63f32655a951 -1:000000000000
     1 /* -*- C++ -*-
       
     2  * src/test/suurballe_test.cc - Part of LEMON, a generic C++ optimization library
       
     3  *
       
     4  * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
       
     5  * (Egervary Research Group on Combinatorial Optimization, EGRES).
       
     6  *
       
     7  * Permission to use, modify and distribute this software is granted
       
     8  * provided that this copyright notice appears in all copies. For
       
     9  * precise terms see the accompanying LICENSE file.
       
    10  *
       
    11  * This software is provided "AS IS" with no warranty of any kind,
       
    12  * express or implied, and with no claim as to its suitability for any
       
    13  * purpose.
       
    14  *
       
    15  */
       
    16 
       
    17 #include <iostream>
       
    18 #include <lemon/list_graph.h>
       
    19 #include <lemon/suurballe.h>
       
    20 //#include <path.h>
       
    21 #include "test_tools.h"
       
    22 
       
    23 using namespace lemon;
       
    24 
       
    25 
       
    26 bool passed = true;
       
    27 
       
    28 
       
    29 int main()
       
    30 {
       
    31   typedef ListGraph Graph;
       
    32   typedef Graph::Node Node;
       
    33   typedef Graph::Edge Edge;
       
    34 
       
    35   Graph graph;
       
    36 
       
    37   //Ahuja könyv példája
       
    38 
       
    39   Node s=graph.addNode();
       
    40   Node v1=graph.addNode();  
       
    41   Node v2=graph.addNode();
       
    42   Node v3=graph.addNode();
       
    43   Node v4=graph.addNode();
       
    44   Node v5=graph.addNode();
       
    45   Node t=graph.addNode();
       
    46 
       
    47   Edge s_v1=graph.addEdge(s, v1);
       
    48   Edge v1_v2=graph.addEdge(v1, v2);
       
    49   Edge s_v3=graph.addEdge(s, v3);
       
    50   Edge v2_v4=graph.addEdge(v2, v4);
       
    51   Edge v2_v5=graph.addEdge(v2, v5);
       
    52   Edge v3_v5=graph.addEdge(v3, v5);
       
    53   Edge v4_t=graph.addEdge(v4, t);
       
    54   Edge v5_t=graph.addEdge(v5, t);
       
    55   
       
    56 
       
    57   Graph::EdgeMap<int> length(graph);
       
    58 
       
    59   length.set(s_v1, 6);
       
    60   length.set(v1_v2, 4);
       
    61   length.set(s_v3, 10);
       
    62   length.set(v2_v4, 5);
       
    63   length.set(v2_v5, 1);
       
    64   length.set(v3_v5, 5);
       
    65   length.set(v4_t, 8);
       
    66   length.set(v5_t, 8);
       
    67 
       
    68   std::cout << "Minlengthpaths algorithm test..." << std::endl;
       
    69 
       
    70   
       
    71   int k=3;
       
    72   Suurballe< Graph, Graph::EdgeMap<int> >
       
    73     surb_test(graph, length, s, t);
       
    74 
       
    75   check(  surb_test.run(k) == 2 && surb_test.totalLength() == 46,
       
    76 	  "Two paths, total length should be 46");
       
    77 
       
    78   check(  surb_test.checkComplementarySlackness(),
       
    79 	  "Complementary slackness conditions are not met.");
       
    80 
       
    81   //  typedef DirPath<Graph> DPath;
       
    82   //  DPath P(graph);
       
    83 
       
    84   /*
       
    85   surb_test.getPath(P,0);
       
    86   check(P.length() == 4, "First path should contain 4 edges.");  
       
    87   std::cout<<P.length()<<std::endl;
       
    88   surb_test.getPath(P,1);
       
    89   check(P.length() == 3, "Second path: 3 edges.");
       
    90   std::cout<<P.length()<<std::endl;
       
    91   */  
       
    92 
       
    93   k=1;
       
    94   check(  surb_test.run(k) == 1 && surb_test.totalLength() == 19,
       
    95 	  "One path, total length should be 19");
       
    96 
       
    97   check(  surb_test.checkComplementarySlackness(),
       
    98 	  "Complementary slackness conditions are not met.");
       
    99  
       
   100   //  surb_test.getPath(P,0);
       
   101   //  check(P.length() == 4, "First path should contain 4 edges.");  
       
   102 
       
   103   std::cout << (passed ? "All tests passed." : "Some of the tests failed!!!")
       
   104 	    << std::endl;
       
   105 
       
   106   return passed ? 0 : 1;
       
   107 
       
   108 }