test/map_test.h
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     1 /* -*- C++ -*-
       
     2  *
       
     3  * This file is a part of LEMON, a generic C++ optimization library
       
     4  *
       
     5  * Copyright (C) 2003-2007
       
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
       
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
       
     8  *
       
     9  * Permission to use, modify and distribute this software is granted
       
    10  * provided that this copyright notice appears in all copies. For
       
    11  * precise terms see the accompanying LICENSE file.
       
    12  *
       
    13  * This software is provided "AS IS" with no warranty of any kind,
       
    14  * express or implied, and with no claim as to its suitability for any
       
    15  * purpose.
       
    16  *
       
    17  */
       
    18 
       
    19 #ifndef LEMON_TEST_MAP_TEST_H
       
    20 #define LEMON_TEST_MAP_TEST_H
       
    21 
       
    22 
       
    23 #include <vector>
       
    24 #include <lemon/maps.h>
       
    25 
       
    26 #include "test_tools.h"
       
    27 
       
    28 
       
    29 //! \ingroup misc
       
    30 //! \file
       
    31 //! \brief Some utilities to test map classes.
       
    32 
       
    33 namespace lemon {
       
    34 
       
    35 
       
    36 
       
    37   template <typename Graph>
       
    38   void checkGraphNodeMap() {
       
    39     Graph graph;
       
    40     const int num = 16;
       
    41     
       
    42     typedef typename Graph::Node Node;
       
    43 
       
    44     std::vector<Node> nodes;
       
    45     for (int i = 0; i < num; ++i) {
       
    46       nodes.push_back(graph.addNode());      
       
    47     }
       
    48     typedef typename Graph::template NodeMap<int> IntNodeMap;
       
    49     IntNodeMap map(graph, 42);
       
    50     for (int i = 0; i < int(nodes.size()); ++i) {
       
    51       check(map[nodes[i]] == 42, "Wrong map constructor.");      
       
    52     }
       
    53     for (int i = 0; i < num; ++i) {
       
    54       nodes.push_back(graph.addNode());
       
    55       map[nodes.back()] = 23;
       
    56     }
       
    57     map = constMap<Node>(12);
       
    58     for (int i = 0; i < int(nodes.size()); ++i) {
       
    59       check(map[nodes[i]] == 12, "Wrong map constructor.");      
       
    60     }    
       
    61     graph.clear();
       
    62     nodes.clear();
       
    63   }
       
    64 
       
    65   template <typename Graph>
       
    66   void checkGraphArcMap() {
       
    67     Graph graph;
       
    68     const int num = 16;
       
    69     
       
    70     typedef typename Graph::Node Node;
       
    71     typedef typename Graph::Arc Arc;
       
    72     
       
    73     std::vector<Node> nodes;
       
    74     for (int i = 0; i < num; ++i) {
       
    75       nodes.push_back(graph.addNode());
       
    76     }
       
    77     
       
    78     std::vector<Arc> edges;
       
    79     for (int i = 0; i < num; ++i) {
       
    80       for (int j = 0; j < i; ++j) {
       
    81 	edges.push_back(graph.addArc(nodes[i], nodes[j]));
       
    82       }
       
    83     }
       
    84     
       
    85     typedef typename Graph::template ArcMap<int> IntArcMap;
       
    86     IntArcMap map(graph, 42);
       
    87     
       
    88     for (int i = 0; i < int(edges.size()); ++i) {
       
    89       check(map[edges[i]] == 42, "Wrong map constructor.");      
       
    90     }
       
    91     
       
    92     for (int i = 0; i < num; ++i) {
       
    93       for (int j = i + 1; j < num; ++j) {
       
    94 	edges.push_back(graph.addArc(nodes[i], nodes[j]));
       
    95 	map[edges.back()] = 23;
       
    96       }
       
    97     }
       
    98     map = constMap<Arc>(12);
       
    99     for (int i = 0; i < int(edges.size()); ++i) {
       
   100       check(map[edges[i]] == 12, "Wrong map constructor.");      
       
   101     }    
       
   102     graph.clear();
       
   103     edges.clear();    
       
   104   }
       
   105 
       
   106   template <typename Graph>
       
   107   void checkGraphEdgeMap() {
       
   108     Graph graph;
       
   109     const int num = 16;
       
   110     
       
   111     typedef typename Graph::Node Node;
       
   112     typedef typename Graph::Edge Edge;
       
   113     
       
   114     std::vector<Node> nodes;
       
   115     for (int i = 0; i < num; ++i) {
       
   116       nodes.push_back(graph.addNode());
       
   117     }
       
   118     
       
   119     std::vector<Edge> edges;
       
   120     for (int i = 0; i < num; ++i) {
       
   121       for (int j = 0; j < i; ++j) {
       
   122 	edges.push_back(graph.addEdge(nodes[i], nodes[j]));
       
   123       }
       
   124     }
       
   125     
       
   126     typedef typename Graph::template EdgeMap<int> IntEdgeMap;
       
   127     IntEdgeMap map(graph, 42);
       
   128     
       
   129     for (int i = 0; i < int(edges.size()); ++i) {
       
   130       check(map[edges[i]] == 42, "Wrong map constructor.");      
       
   131     }
       
   132     
       
   133     for (int i = 0; i < num; ++i) {
       
   134       for (int j = i + 1; j < num; ++j) {
       
   135 	edges.push_back(graph.addEdge(nodes[i], nodes[j]));
       
   136 	map[edges.back()] = 23;
       
   137       }
       
   138     }
       
   139     map = constMap<Edge>(12);
       
   140     for (int i = 0; i < int(edges.size()); ++i) {
       
   141       check(map[edges[i]] == 12, "Wrong map constructor.");      
       
   142     }    
       
   143     graph.clear();
       
   144     edges.clear();    
       
   145   }
       
   146 
       
   147 }
       
   148 
       
   149 #endif