1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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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) 2003-2008 |
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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/concepts/graph.h> |
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20 | #include <lemon/list_graph.h> |
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21 | #include <lemon/smart_graph.h> |
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22 | #include <lemon/full_graph.h> |
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23 | #include <lemon/grid_graph.h> |
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24 | |
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25 | #include "test_tools.h" |
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26 | #include "graph_test.h" |
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27 | |
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28 | using namespace lemon; |
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29 | using namespace lemon::concepts; |
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30 | |
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31 | template <class Graph> |
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32 | void checkGraph() { |
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33 | TEMPLATE_GRAPH_TYPEDEFS(Graph); |
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34 | |
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35 | Graph G; |
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36 | checkGraphNodeList(G, 0); |
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37 | checkGraphEdgeList(G, 0); |
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38 | |
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39 | Node |
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40 | n1 = G.addNode(), |
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41 | n2 = G.addNode(), |
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42 | n3 = G.addNode(); |
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43 | checkGraphNodeList(G, 3); |
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44 | checkGraphEdgeList(G, 0); |
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45 | |
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46 | Edge e1 = G.addEdge(n1, n2); |
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47 | check((G.u(e1) == n1 && G.v(e1) == n2) || (G.u(e1) == n2 && G.v(e1) == n1), |
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48 | "Wrong edge"); |
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49 | checkGraphNodeList(G, 3); |
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50 | checkGraphArcList(G, 2); |
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51 | checkGraphEdgeList(G, 1); |
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52 | |
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53 | checkGraphOutArcList(G, n1, 1); |
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54 | checkGraphOutArcList(G, n2, 1); |
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55 | checkGraphOutArcList(G, n3, 0); |
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56 | |
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57 | checkGraphInArcList(G, n1, 1); |
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58 | checkGraphInArcList(G, n2, 1); |
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59 | checkGraphInArcList(G, n3, 0); |
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60 | |
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61 | checkGraphIncEdgeList(G, n1, 1); |
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62 | checkGraphIncEdgeList(G, n2, 1); |
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63 | checkGraphIncEdgeList(G, n3, 0); |
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64 | |
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65 | checkGraphConArcList(G, 2); |
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66 | checkGraphConEdgeList(G, 1); |
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67 | |
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68 | Edge e2 = G.addEdge(n2, n1), e3 = G.addEdge(n2, n3); |
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69 | checkGraphNodeList(G, 3); |
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70 | checkGraphArcList(G, 6); |
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71 | checkGraphEdgeList(G, 3); |
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72 | |
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73 | checkGraphOutArcList(G, n1, 2); |
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74 | checkGraphOutArcList(G, n2, 3); |
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75 | checkGraphOutArcList(G, n3, 1); |
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76 | |
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77 | checkGraphInArcList(G, n1, 2); |
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78 | checkGraphInArcList(G, n2, 3); |
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79 | checkGraphInArcList(G, n3, 1); |
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80 | |
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81 | checkGraphIncEdgeList(G, n1, 2); |
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82 | checkGraphIncEdgeList(G, n2, 3); |
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83 | checkGraphIncEdgeList(G, n3, 1); |
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84 | |
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85 | checkGraphConArcList(G, 6); |
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86 | checkGraphConEdgeList(G, 3); |
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87 | |
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88 | checkArcDirections(G); |
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89 | |
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90 | checkNodeIds(G); |
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91 | checkArcIds(G); |
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92 | checkEdgeIds(G); |
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93 | checkGraphNodeMap(G); |
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94 | checkGraphArcMap(G); |
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95 | checkGraphEdgeMap(G); |
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96 | } |
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97 | |
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98 | void checkFullGraph(int num) { |
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99 | typedef FullGraph Graph; |
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100 | GRAPH_TYPEDEFS(Graph); |
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101 | |
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102 | Graph G(num); |
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103 | checkGraphNodeList(G, num); |
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104 | checkGraphEdgeList(G, num * (num - 1) / 2); |
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105 | |
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106 | for (NodeIt n(G); n != INVALID; ++n) { |
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107 | checkGraphOutArcList(G, n, num - 1); |
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108 | checkGraphInArcList(G, n, num - 1); |
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109 | checkGraphIncEdgeList(G, n, num - 1); |
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110 | } |
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111 | |
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112 | checkGraphConArcList(G, num * (num - 1)); |
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113 | checkGraphConEdgeList(G, num * (num - 1) / 2); |
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114 | |
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115 | checkArcDirections(G); |
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116 | |
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117 | checkNodeIds(G); |
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118 | checkArcIds(G); |
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119 | checkEdgeIds(G); |
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120 | checkGraphNodeMap(G); |
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121 | checkGraphArcMap(G); |
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122 | checkGraphEdgeMap(G); |
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123 | |
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124 | |
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125 | for (int i = 0; i < G.nodeNum(); ++i) { |
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126 | check(G.index(G(i)) == i, "Wrong index"); |
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127 | } |
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128 | |
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129 | for (NodeIt u(G); u != INVALID; ++u) { |
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130 | for (NodeIt v(G); v != INVALID; ++v) { |
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131 | Edge e = G.edge(u, v); |
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132 | Arc a = G.arc(u, v); |
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133 | if (u == v) { |
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134 | check(e == INVALID, "Wrong edge lookup"); |
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135 | check(a == INVALID, "Wrong arc lookup"); |
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136 | } else { |
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137 | check((G.u(e) == u && G.v(e) == v) || |
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138 | (G.u(e) == v && G.v(e) == u), "Wrong edge lookup"); |
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139 | check(G.source(a) == u && G.target(a) == v, "Wrong arc lookup"); |
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140 | } |
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141 | } |
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142 | } |
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143 | } |
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144 | |
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145 | void checkConcepts() { |
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146 | { // Checking graph components |
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147 | checkConcept<BaseGraphComponent, BaseGraphComponent >(); |
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148 | |
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149 | checkConcept<IDableGraphComponent<>, |
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150 | IDableGraphComponent<> >(); |
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151 | |
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152 | checkConcept<IterableGraphComponent<>, |
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153 | IterableGraphComponent<> >(); |
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154 | |
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155 | checkConcept<MappableGraphComponent<>, |
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156 | MappableGraphComponent<> >(); |
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157 | } |
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158 | { // Checking skeleton graph |
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159 | checkConcept<Graph, Graph>(); |
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160 | } |
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161 | { // Checking ListGraph |
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162 | checkConcept<Graph, ListGraph>(); |
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163 | checkConcept<AlterableGraphComponent<>, ListGraph>(); |
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164 | checkConcept<ExtendableGraphComponent<>, ListGraph>(); |
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165 | checkConcept<ClearableGraphComponent<>, ListGraph>(); |
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166 | checkConcept<ErasableGraphComponent<>, ListGraph>(); |
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167 | } |
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168 | { // Checking SmartGraph |
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169 | checkConcept<Graph, SmartGraph>(); |
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170 | checkConcept<AlterableGraphComponent<>, SmartGraph>(); |
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171 | checkConcept<ExtendableGraphComponent<>, SmartGraph>(); |
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172 | checkConcept<ClearableGraphComponent<>, SmartGraph>(); |
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173 | } |
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174 | { // Checking FullGraph |
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175 | checkConcept<Graph, FullGraph>(); |
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176 | } |
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177 | { // Checking GridGraph |
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178 | checkConcept<Graph, GridGraph>(); |
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179 | } |
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180 | } |
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181 | |
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182 | template <typename Graph> |
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183 | void checkGraphValidity() { |
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184 | TEMPLATE_GRAPH_TYPEDEFS(Graph); |
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185 | Graph g; |
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186 | |
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187 | Node |
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188 | n1 = g.addNode(), |
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189 | n2 = g.addNode(), |
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190 | n3 = g.addNode(); |
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191 | |
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192 | Edge |
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193 | e1 = g.addEdge(n1, n2), |
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194 | e2 = g.addEdge(n2, n3); |
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195 | |
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196 | check(g.valid(n1), "Wrong validity check"); |
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197 | check(g.valid(e1), "Wrong validity check"); |
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198 | check(g.valid(g.direct(e1, true)), "Wrong validity check"); |
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199 | |
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200 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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201 | check(!g.valid(g.edgeFromId(-1)), "Wrong validity check"); |
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202 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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203 | } |
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204 | |
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205 | template <typename Graph> |
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206 | void checkGraphValidityErase() { |
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207 | TEMPLATE_GRAPH_TYPEDEFS(Graph); |
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208 | Graph g; |
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209 | |
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210 | Node |
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211 | n1 = g.addNode(), |
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212 | n2 = g.addNode(), |
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213 | n3 = g.addNode(); |
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214 | |
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215 | Edge |
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216 | e1 = g.addEdge(n1, n2), |
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217 | e2 = g.addEdge(n2, n3); |
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218 | |
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219 | check(g.valid(n1), "Wrong validity check"); |
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220 | check(g.valid(e1), "Wrong validity check"); |
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221 | check(g.valid(g.direct(e1, true)), "Wrong validity check"); |
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222 | |
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223 | g.erase(n1); |
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224 | |
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225 | check(!g.valid(n1), "Wrong validity check"); |
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226 | check(g.valid(n2), "Wrong validity check"); |
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227 | check(g.valid(n3), "Wrong validity check"); |
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228 | check(!g.valid(e1), "Wrong validity check"); |
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229 | check(g.valid(e2), "Wrong validity check"); |
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230 | |
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231 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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232 | check(!g.valid(g.edgeFromId(-1)), "Wrong validity check"); |
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233 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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234 | } |
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235 | |
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236 | void checkGridGraph(int width, int height) { |
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237 | typedef GridGraph Graph; |
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238 | GRAPH_TYPEDEFS(Graph); |
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239 | Graph G(width, height); |
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240 | |
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241 | check(G.width() == width, "Wrong column number"); |
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242 | check(G.height() == height, "Wrong row number"); |
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243 | |
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244 | for (int i = 0; i < width; ++i) { |
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245 | for (int j = 0; j < height; ++j) { |
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246 | check(G.col(G(i, j)) == i, "Wrong column"); |
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247 | check(G.row(G(i, j)) == j, "Wrong row"); |
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248 | check(G.pos(G(i, j)).x == i, "Wrong column"); |
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249 | check(G.pos(G(i, j)).y == j, "Wrong row"); |
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250 | } |
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251 | } |
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252 | |
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253 | for (int j = 0; j < height; ++j) { |
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254 | for (int i = 0; i < width - 1; ++i) { |
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255 | check(G.source(G.right(G(i, j))) == G(i, j), "Wrong right"); |
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256 | check(G.target(G.right(G(i, j))) == G(i + 1, j), "Wrong right"); |
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257 | } |
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258 | check(G.right(G(width - 1, j)) == INVALID, "Wrong right"); |
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259 | } |
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260 | |
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261 | for (int j = 0; j < height; ++j) { |
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262 | for (int i = 1; i < width; ++i) { |
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263 | check(G.source(G.left(G(i, j))) == G(i, j), "Wrong left"); |
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264 | check(G.target(G.left(G(i, j))) == G(i - 1, j), "Wrong left"); |
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265 | } |
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266 | check(G.left(G(0, j)) == INVALID, "Wrong left"); |
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267 | } |
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268 | |
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269 | for (int i = 0; i < width; ++i) { |
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270 | for (int j = 0; j < height - 1; ++j) { |
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271 | check(G.source(G.up(G(i, j))) == G(i, j), "Wrong up"); |
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272 | check(G.target(G.up(G(i, j))) == G(i, j + 1), "Wrong up"); |
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273 | } |
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274 | check(G.up(G(i, height - 1)) == INVALID, "Wrong up"); |
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275 | } |
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276 | |
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277 | for (int i = 0; i < width; ++i) { |
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278 | for (int j = 1; j < height; ++j) { |
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279 | check(G.source(G.down(G(i, j))) == G(i, j), "Wrong down"); |
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280 | check(G.target(G.down(G(i, j))) == G(i, j - 1), "Wrong down"); |
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281 | } |
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282 | check(G.down(G(i, 0)) == INVALID, "Wrong down"); |
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283 | } |
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284 | |
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285 | checkGraphNodeList(G, width * height); |
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286 | checkGraphEdgeList(G, width * (height - 1) + (width - 1) * height); |
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287 | checkGraphArcList(G, 2 * (width * (height - 1) + (width - 1) * height)); |
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288 | |
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289 | for (NodeIt n(G); n != INVALID; ++n) { |
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290 | int nb = 4; |
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291 | if (G.col(n) == 0) --nb; |
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292 | if (G.col(n) == width - 1) --nb; |
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293 | if (G.row(n) == 0) --nb; |
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294 | if (G.row(n) == height - 1) --nb; |
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295 | |
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296 | checkGraphOutArcList(G, n, nb); |
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297 | checkGraphInArcList(G, n, nb); |
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298 | checkGraphIncEdgeList(G, n, nb); |
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299 | } |
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300 | |
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301 | checkArcDirections(G); |
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302 | |
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303 | checkGraphConArcList(G, 2 * (width * (height - 1) + (width - 1) * height)); |
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304 | checkGraphConEdgeList(G, width * (height - 1) + (width - 1) * height); |
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305 | |
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306 | checkNodeIds(G); |
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307 | checkArcIds(G); |
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308 | checkEdgeIds(G); |
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309 | checkGraphNodeMap(G); |
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310 | checkGraphArcMap(G); |
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311 | checkGraphEdgeMap(G); |
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312 | |
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313 | } |
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314 | |
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315 | void checkGraphs() { |
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316 | { // Checking ListGraph |
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317 | checkGraph<ListGraph>(); |
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318 | checkGraphValidityErase<ListGraph>(); |
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319 | } |
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320 | { // Checking SmartGraph |
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321 | checkGraph<SmartGraph>(); |
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322 | checkGraphValidity<SmartGraph>(); |
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323 | } |
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324 | { // Checking FullGraph |
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325 | checkFullGraph(7); |
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326 | checkFullGraph(8); |
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327 | } |
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328 | { // Checking GridGraph |
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329 | checkGridGraph(5, 8); |
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330 | checkGridGraph(8, 5); |
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331 | checkGridGraph(5, 5); |
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332 | checkGridGraph(0, 0); |
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333 | checkGridGraph(1, 1); |
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334 | } |
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335 | } |
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336 | |
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337 | int main() { |
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338 | checkConcepts(); |
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339 | checkGraphs(); |
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340 | return 0; |
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341 | } |
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