1 | /* -*- C++ -*- |
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2 | * |
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3 | * This file is a part of LEMON, a generic C++ optimization library |
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4 | * |
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5 | * Copyright (C) 2003-2006 |
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6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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8 | * |
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9 | * Permission to use, modify and distribute this software is granted |
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10 | * provided that this copyright notice appears in all copies. For |
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11 | * precise terms see the accompanying LICENSE file. |
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12 | * |
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13 | * This software is provided "AS IS" with no warranty of any kind, |
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14 | * express or implied, and with no claim as to its suitability for any |
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15 | * purpose. |
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16 | * |
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17 | */ |
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18 | |
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19 | #include <lemon/bits/graph_extender.h> |
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20 | #include <lemon/concept/ugraph.h> |
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21 | #include <lemon/list_graph.h> |
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22 | #include <lemon/smart_graph.h> |
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23 | #include <lemon/full_graph.h> |
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24 | #include <lemon/grid_ugraph.h> |
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25 | |
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26 | #include <lemon/graph_utils.h> |
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27 | |
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28 | #include "test_tools.h" |
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29 | |
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30 | |
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31 | using namespace lemon; |
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32 | using namespace lemon::concept; |
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33 | |
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34 | void check_concepts() { |
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35 | checkConcept<UGraph, ListUGraph>(); |
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36 | |
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37 | checkConcept<UGraph, SmartUGraph>(); |
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38 | |
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39 | checkConcept<UGraph, FullUGraph>(); |
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40 | |
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41 | checkConcept<UGraph, UGraph>(); |
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42 | |
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43 | checkConcept<UGraph, GridUGraph>(); |
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44 | } |
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45 | |
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46 | template <typename Graph> |
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47 | void check_item_counts(Graph &g, int n, int e) { |
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48 | int nn = 0; |
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49 | for (typename Graph::NodeIt it(g); it != INVALID; ++it) { |
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50 | ++nn; |
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51 | } |
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52 | |
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53 | check(nn == n, "Wrong node number."); |
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54 | check(countNodes(g) == n, "Wrong node number."); |
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55 | |
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56 | int ee = 0; |
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57 | for (typename Graph::EdgeIt it(g); it != INVALID; ++it) { |
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58 | ++ee; |
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59 | } |
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60 | |
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61 | check(ee == 2*e, "Wrong edge number."); |
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62 | check(countEdges(g) == 2*e, "Wrong edge number."); |
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63 | |
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64 | int uee = 0; |
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65 | for (typename Graph::UEdgeIt it(g); it != INVALID; ++it) { |
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66 | ++uee; |
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67 | } |
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68 | |
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69 | check(uee == e, "Wrong uedge number."); |
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70 | check(countUEdges(g) == e, "Wrong uedge number."); |
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71 | } |
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72 | |
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73 | template <typename Graph> |
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74 | void print_items(Graph &g) { |
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75 | |
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76 | typedef typename Graph::NodeIt NodeIt; |
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77 | typedef typename Graph::UEdgeIt UEdgeIt; |
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78 | typedef typename Graph::EdgeIt EdgeIt; |
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79 | |
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80 | std::cout << "Nodes" << std::endl; |
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81 | int i=0; |
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82 | for(NodeIt it(g); it!=INVALID; ++it, ++i) { |
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83 | std::cout << " " << i << ": " << g.id(it) << std::endl; |
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84 | } |
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85 | |
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86 | std::cout << "UEdge" << std::endl; |
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87 | i=0; |
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88 | for(UEdgeIt it(g); it!=INVALID; ++it, ++i) { |
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89 | std::cout << " " << i << ": " << g.id(it) |
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90 | << " (" << g.id(g.source(it)) << ", " << g.id(g.target(it)) |
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91 | << ")" << std::endl; |
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92 | } |
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93 | |
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94 | std::cout << "Edge" << std::endl; |
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95 | i=0; |
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96 | for(EdgeIt it(g); it!=INVALID; ++it, ++i) { |
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97 | std::cout << " " << i << ": " << g.id(it) |
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98 | << " (" << g.id(g.source(it)) << ", " << g.id(g.target(it)) |
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99 | << ")" << std::endl; |
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100 | } |
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101 | |
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102 | } |
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103 | |
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104 | template <typename Graph> |
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105 | void check_graph() { |
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106 | |
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107 | typedef typename Graph::Node Node; |
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108 | typedef typename Graph::UEdge UEdge; |
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109 | typedef typename Graph::Edge Edge; |
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110 | typedef typename Graph::NodeIt NodeIt; |
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111 | typedef typename Graph::UEdgeIt UEdgeIt; |
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112 | typedef typename Graph::EdgeIt EdgeIt; |
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113 | |
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114 | Graph g; |
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115 | |
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116 | check_item_counts(g,0,0); |
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117 | |
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118 | Node |
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119 | n1 = g.addNode(), |
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120 | n2 = g.addNode(), |
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121 | n3 = g.addNode(); |
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122 | |
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123 | UEdge |
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124 | e1 = g.addEdge(n1, n2), |
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125 | e2 = g.addEdge(n2, n3); |
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126 | |
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127 | // print_items(g); |
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128 | |
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129 | check_item_counts(g,3,2); |
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130 | } |
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131 | |
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132 | void checkGridUGraph(const GridUGraph& g, int w, int h) { |
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133 | check(g.width() == w, "Wrong width"); |
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134 | check(g.height() == h, "Wrong height"); |
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135 | |
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136 | for (int i = 0; i < w; ++i) { |
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137 | for (int j = 0; j < h; ++j) { |
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138 | check(g.col(g(i, j)) == i, "Wrong col"); |
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139 | check(g.row(g(i, j)) == j, "Wrong row"); |
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140 | } |
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141 | } |
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142 | |
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143 | for (int i = 0; i < w; ++i) { |
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144 | for (int j = 0; j < h - 1; ++j) { |
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145 | check(g.source(g.down(g(i, j))) == g(i, j), "Wrong down"); |
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146 | check(g.target(g.down(g(i, j))) == g(i, j + 1), "Wrong down"); |
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147 | } |
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148 | check(g.down(g(i, h - 1)) == INVALID, "Wrong down"); |
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149 | } |
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150 | |
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151 | for (int i = 0; i < w; ++i) { |
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152 | for (int j = 1; j < h; ++j) { |
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153 | check(g.source(g.up(g(i, j))) == g(i, j), "Wrong up"); |
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154 | check(g.target(g.up(g(i, j))) == g(i, j - 1), "Wrong up"); |
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155 | } |
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156 | check(g.up(g(i, 0)) == INVALID, "Wrong up"); |
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157 | } |
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158 | |
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159 | for (int j = 0; j < h; ++j) { |
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160 | for (int i = 0; i < w - 1; ++i) { |
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161 | check(g.source(g.right(g(i, j))) == g(i, j), "Wrong right"); |
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162 | check(g.target(g.right(g(i, j))) == g(i + 1, j), "Wrong right"); |
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163 | } |
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164 | check(g.right(g(w - 1, j)) == INVALID, "Wrong right"); |
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165 | } |
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166 | |
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167 | for (int j = 0; j < h; ++j) { |
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168 | for (int i = 1; i < w; ++i) { |
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169 | check(g.source(g.left(g(i, j))) == g(i, j), "Wrong left"); |
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170 | check(g.target(g.left(g(i, j))) == g(i - 1, j), "Wrong left"); |
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171 | } |
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172 | check(g.left(g(0, j)) == INVALID, "Wrong left"); |
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173 | } |
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174 | } |
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175 | |
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176 | int main() { |
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177 | check_concepts(); |
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178 | |
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179 | check_graph<ListUGraph>(); |
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180 | check_graph<SmartUGraph>(); |
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181 | |
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182 | { |
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183 | FullUGraph g(5); |
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184 | check_item_counts(g, 5, 10); |
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185 | } |
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186 | |
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187 | { |
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188 | GridUGraph g(5, 6); |
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189 | check_item_counts(g, 30, 49); |
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190 | checkGridUGraph(g, 5, 6); |
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191 | } |
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192 | |
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193 | std::cout << __FILE__ ": All tests passed.\n"; |
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194 | |
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195 | return 0; |
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196 | } |
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