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) 2003-2009 |
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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/digraph.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/static_graph.h> |
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23 | #include <lemon/full_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 Digraph> |
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32 | void checkDigraphBuild() { |
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33 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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34 | Digraph G; |
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35 | |
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36 | checkGraphNodeList(G, 0); |
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37 | checkGraphArcList(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 | checkGraphArcList(G, 0); |
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45 | |
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46 | Arc a1 = G.addArc(n1, n2); |
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47 | check(G.source(a1) == n1 && G.target(a1) == n2, "Wrong arc"); |
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48 | checkGraphNodeList(G, 3); |
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49 | checkGraphArcList(G, 1); |
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50 | |
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51 | checkGraphOutArcList(G, n1, 1); |
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52 | checkGraphOutArcList(G, n2, 0); |
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53 | checkGraphOutArcList(G, n3, 0); |
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54 | |
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55 | checkGraphInArcList(G, n1, 0); |
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56 | checkGraphInArcList(G, n2, 1); |
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57 | checkGraphInArcList(G, n3, 0); |
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58 | |
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59 | checkGraphConArcList(G, 1); |
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60 | |
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61 | Arc a2 = G.addArc(n2, n1), |
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62 | a3 = G.addArc(n2, n3), |
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63 | a4 = G.addArc(n2, n3); |
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64 | |
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65 | checkGraphNodeList(G, 3); |
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66 | checkGraphArcList(G, 4); |
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67 | |
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68 | checkGraphOutArcList(G, n1, 1); |
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69 | checkGraphOutArcList(G, n2, 3); |
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70 | checkGraphOutArcList(G, n3, 0); |
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71 | |
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72 | checkGraphInArcList(G, n1, 1); |
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73 | checkGraphInArcList(G, n2, 1); |
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74 | checkGraphInArcList(G, n3, 2); |
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75 | |
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76 | checkGraphConArcList(G, 4); |
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77 | |
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78 | checkNodeIds(G); |
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79 | checkArcIds(G); |
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80 | checkGraphNodeMap(G); |
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81 | checkGraphArcMap(G); |
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82 | } |
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83 | |
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84 | template <class Digraph> |
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85 | void checkDigraphSplit() { |
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86 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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87 | |
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88 | Digraph G; |
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89 | Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode(); |
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90 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1), |
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91 | a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3); |
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92 | |
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93 | Node n4 = G.split(n2); |
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94 | |
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95 | check(G.target(OutArcIt(G, n2)) == n4 && |
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96 | G.source(InArcIt(G, n4)) == n2, |
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97 | "Wrong split."); |
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98 | |
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99 | checkGraphNodeList(G, 4); |
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100 | checkGraphArcList(G, 5); |
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101 | |
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102 | checkGraphOutArcList(G, n1, 1); |
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103 | checkGraphOutArcList(G, n2, 1); |
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104 | checkGraphOutArcList(G, n3, 0); |
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105 | checkGraphOutArcList(G, n4, 3); |
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106 | |
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107 | checkGraphInArcList(G, n1, 1); |
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108 | checkGraphInArcList(G, n2, 1); |
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109 | checkGraphInArcList(G, n3, 2); |
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110 | checkGraphInArcList(G, n4, 1); |
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111 | |
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112 | checkGraphConArcList(G, 5); |
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113 | } |
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114 | |
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115 | template <class Digraph> |
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116 | void checkDigraphAlter() { |
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117 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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118 | |
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119 | Digraph G; |
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120 | Node n1 = G.addNode(), n2 = G.addNode(), |
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121 | n3 = G.addNode(), n4 = G.addNode(); |
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122 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1), |
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123 | a3 = G.addArc(n4, n3), a4 = G.addArc(n4, n3), |
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124 | a5 = G.addArc(n2, n4); |
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125 | |
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126 | checkGraphNodeList(G, 4); |
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127 | checkGraphArcList(G, 5); |
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128 | |
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129 | // Check changeSource() and changeTarget() |
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130 | G.changeTarget(a4, n1); |
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131 | |
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132 | checkGraphNodeList(G, 4); |
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133 | checkGraphArcList(G, 5); |
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134 | |
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135 | checkGraphOutArcList(G, n1, 1); |
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136 | checkGraphOutArcList(G, n2, 1); |
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137 | checkGraphOutArcList(G, n3, 0); |
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138 | checkGraphOutArcList(G, n4, 3); |
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139 | |
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140 | checkGraphInArcList(G, n1, 2); |
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141 | checkGraphInArcList(G, n2, 1); |
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142 | checkGraphInArcList(G, n3, 1); |
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143 | checkGraphInArcList(G, n4, 1); |
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144 | |
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145 | checkGraphConArcList(G, 5); |
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146 | |
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147 | G.changeSource(a4, n3); |
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148 | |
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149 | checkGraphNodeList(G, 4); |
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150 | checkGraphArcList(G, 5); |
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151 | |
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152 | checkGraphOutArcList(G, n1, 1); |
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153 | checkGraphOutArcList(G, n2, 1); |
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154 | checkGraphOutArcList(G, n3, 1); |
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155 | checkGraphOutArcList(G, n4, 2); |
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156 | |
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157 | checkGraphInArcList(G, n1, 2); |
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158 | checkGraphInArcList(G, n2, 1); |
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159 | checkGraphInArcList(G, n3, 1); |
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160 | checkGraphInArcList(G, n4, 1); |
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161 | |
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162 | checkGraphConArcList(G, 5); |
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163 | |
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164 | // Check contract() |
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165 | G.contract(n2, n4, false); |
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166 | |
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167 | checkGraphNodeList(G, 3); |
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168 | checkGraphArcList(G, 5); |
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169 | |
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170 | checkGraphOutArcList(G, n1, 1); |
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171 | checkGraphOutArcList(G, n2, 3); |
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172 | checkGraphOutArcList(G, n3, 1); |
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173 | |
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174 | checkGraphInArcList(G, n1, 2); |
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175 | checkGraphInArcList(G, n2, 2); |
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176 | checkGraphInArcList(G, n3, 1); |
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177 | |
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178 | checkGraphConArcList(G, 5); |
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179 | |
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180 | G.contract(n2, n1); |
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181 | |
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182 | checkGraphNodeList(G, 2); |
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183 | checkGraphArcList(G, 3); |
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184 | |
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185 | checkGraphOutArcList(G, n2, 2); |
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186 | checkGraphOutArcList(G, n3, 1); |
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187 | |
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188 | checkGraphInArcList(G, n2, 2); |
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189 | checkGraphInArcList(G, n3, 1); |
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190 | |
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191 | checkGraphConArcList(G, 3); |
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192 | } |
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193 | |
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194 | template <class Digraph> |
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195 | void checkDigraphErase() { |
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196 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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197 | |
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198 | Digraph G; |
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199 | Node n1 = G.addNode(), n2 = G.addNode(), |
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200 | n3 = G.addNode(), n4 = G.addNode(); |
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201 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1), |
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202 | a3 = G.addArc(n4, n3), a4 = G.addArc(n3, n1), |
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203 | a5 = G.addArc(n2, n4); |
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204 | |
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205 | // Check arc deletion |
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206 | G.erase(a1); |
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207 | |
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208 | checkGraphNodeList(G, 4); |
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209 | checkGraphArcList(G, 4); |
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210 | |
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211 | checkGraphOutArcList(G, n1, 0); |
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212 | checkGraphOutArcList(G, n2, 1); |
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213 | checkGraphOutArcList(G, n3, 1); |
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214 | checkGraphOutArcList(G, n4, 2); |
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215 | |
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216 | checkGraphInArcList(G, n1, 2); |
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217 | checkGraphInArcList(G, n2, 0); |
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218 | checkGraphInArcList(G, n3, 1); |
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219 | checkGraphInArcList(G, n4, 1); |
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220 | |
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221 | checkGraphConArcList(G, 4); |
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222 | |
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223 | // Check node deletion |
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224 | G.erase(n4); |
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225 | |
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226 | checkGraphNodeList(G, 3); |
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227 | checkGraphArcList(G, 1); |
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228 | |
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229 | checkGraphOutArcList(G, n1, 0); |
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230 | checkGraphOutArcList(G, n2, 0); |
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231 | checkGraphOutArcList(G, n3, 1); |
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232 | checkGraphOutArcList(G, n4, 0); |
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233 | |
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234 | checkGraphInArcList(G, n1, 1); |
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235 | checkGraphInArcList(G, n2, 0); |
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236 | checkGraphInArcList(G, n3, 0); |
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237 | checkGraphInArcList(G, n4, 0); |
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238 | |
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239 | checkGraphConArcList(G, 1); |
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240 | } |
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241 | |
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242 | |
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243 | template <class Digraph> |
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244 | void checkDigraphSnapshot() { |
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245 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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246 | |
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247 | Digraph G; |
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248 | Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode(); |
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249 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1), |
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250 | a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3); |
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251 | |
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252 | typename Digraph::Snapshot snapshot(G); |
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253 | |
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254 | Node n = G.addNode(); |
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255 | G.addArc(n3, n); |
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256 | G.addArc(n, n3); |
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257 | |
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258 | checkGraphNodeList(G, 4); |
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259 | checkGraphArcList(G, 6); |
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260 | |
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261 | snapshot.restore(); |
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262 | |
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263 | checkGraphNodeList(G, 3); |
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264 | checkGraphArcList(G, 4); |
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265 | |
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266 | checkGraphOutArcList(G, n1, 1); |
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267 | checkGraphOutArcList(G, n2, 3); |
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268 | checkGraphOutArcList(G, n3, 0); |
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269 | |
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270 | checkGraphInArcList(G, n1, 1); |
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271 | checkGraphInArcList(G, n2, 1); |
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272 | checkGraphInArcList(G, n3, 2); |
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273 | |
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274 | checkGraphConArcList(G, 4); |
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275 | |
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276 | checkNodeIds(G); |
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277 | checkArcIds(G); |
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278 | checkGraphNodeMap(G); |
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279 | checkGraphArcMap(G); |
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280 | |
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281 | G.addNode(); |
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282 | snapshot.save(G); |
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283 | |
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284 | G.addArc(G.addNode(), G.addNode()); |
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285 | |
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286 | snapshot.restore(); |
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287 | |
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288 | checkGraphNodeList(G, 4); |
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289 | checkGraphArcList(G, 4); |
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290 | } |
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291 | |
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292 | void checkConcepts() { |
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293 | { // Checking digraph components |
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294 | checkConcept<BaseDigraphComponent, BaseDigraphComponent >(); |
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295 | |
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296 | checkConcept<IDableDigraphComponent<>, |
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297 | IDableDigraphComponent<> >(); |
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298 | |
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299 | checkConcept<IterableDigraphComponent<>, |
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300 | IterableDigraphComponent<> >(); |
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301 | |
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302 | checkConcept<MappableDigraphComponent<>, |
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303 | MappableDigraphComponent<> >(); |
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304 | } |
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305 | { // Checking skeleton digraph |
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306 | checkConcept<Digraph, Digraph>(); |
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307 | } |
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308 | { // Checking ListDigraph |
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309 | checkConcept<Digraph, ListDigraph>(); |
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310 | checkConcept<AlterableDigraphComponent<>, ListDigraph>(); |
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311 | checkConcept<ExtendableDigraphComponent<>, ListDigraph>(); |
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312 | checkConcept<ClearableDigraphComponent<>, ListDigraph>(); |
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313 | checkConcept<ErasableDigraphComponent<>, ListDigraph>(); |
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314 | } |
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315 | { // Checking SmartDigraph |
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316 | checkConcept<Digraph, SmartDigraph>(); |
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317 | checkConcept<AlterableDigraphComponent<>, SmartDigraph>(); |
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318 | checkConcept<ExtendableDigraphComponent<>, SmartDigraph>(); |
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319 | checkConcept<ClearableDigraphComponent<>, SmartDigraph>(); |
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320 | } |
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321 | { // Checking StaticDigraph |
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322 | checkConcept<Digraph, StaticDigraph>(); |
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323 | checkConcept<ClearableDigraphComponent<>, StaticDigraph>(); |
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324 | } |
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325 | { // Checking FullDigraph |
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326 | checkConcept<Digraph, FullDigraph>(); |
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327 | } |
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328 | } |
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329 | |
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330 | template <typename Digraph> |
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331 | void checkDigraphValidity() { |
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332 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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333 | Digraph g; |
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334 | |
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335 | Node |
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336 | n1 = g.addNode(), |
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337 | n2 = g.addNode(), |
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338 | n3 = g.addNode(); |
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339 | |
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340 | Arc |
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341 | e1 = g.addArc(n1, n2), |
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342 | e2 = g.addArc(n2, n3); |
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343 | |
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344 | check(g.valid(n1), "Wrong validity check"); |
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345 | check(g.valid(e1), "Wrong validity check"); |
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346 | |
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347 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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348 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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349 | } |
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350 | |
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351 | template <typename Digraph> |
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352 | void checkDigraphValidityErase() { |
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353 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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354 | Digraph g; |
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355 | |
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356 | Node |
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357 | n1 = g.addNode(), |
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358 | n2 = g.addNode(), |
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359 | n3 = g.addNode(); |
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360 | |
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361 | Arc |
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362 | e1 = g.addArc(n1, n2), |
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363 | e2 = g.addArc(n2, n3); |
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364 | |
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365 | check(g.valid(n1), "Wrong validity check"); |
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366 | check(g.valid(e1), "Wrong validity check"); |
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367 | |
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368 | g.erase(n1); |
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369 | |
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370 | check(!g.valid(n1), "Wrong validity check"); |
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371 | check(g.valid(n2), "Wrong validity check"); |
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372 | check(g.valid(n3), "Wrong validity check"); |
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373 | check(!g.valid(e1), "Wrong validity check"); |
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374 | check(g.valid(e2), "Wrong validity check"); |
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375 | |
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376 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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377 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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378 | } |
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379 | |
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380 | void checkStaticDigraph() { |
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381 | SmartDigraph g; |
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382 | SmartDigraph::NodeMap<StaticDigraph::Node> nref(g); |
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383 | SmartDigraph::ArcMap<StaticDigraph::Arc> aref(g); |
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384 | |
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385 | StaticDigraph G; |
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386 | |
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387 | checkGraphNodeList(G, 0); |
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388 | checkGraphArcList(G, 0); |
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389 | |
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390 | G.build(g, nref, aref); |
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391 | |
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392 | checkGraphNodeList(G, 0); |
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393 | checkGraphArcList(G, 0); |
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394 | |
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395 | SmartDigraph::Node |
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396 | n1 = g.addNode(), |
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397 | n2 = g.addNode(), |
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398 | n3 = g.addNode(); |
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399 | |
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400 | G.build(g, nref, aref); |
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401 | |
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402 | checkGraphNodeList(G, 3); |
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403 | checkGraphArcList(G, 0); |
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404 | |
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405 | SmartDigraph::Arc a1 = g.addArc(n1, n2); |
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406 | |
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407 | G.build(g, nref, aref); |
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408 | |
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409 | check(G.source(aref[a1]) == nref[n1] && G.target(aref[a1]) == nref[n2], |
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410 | "Wrong arc or wrong references"); |
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411 | checkGraphNodeList(G, 3); |
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412 | checkGraphArcList(G, 1); |
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413 | |
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414 | checkGraphOutArcList(G, nref[n1], 1); |
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415 | checkGraphOutArcList(G, nref[n2], 0); |
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416 | checkGraphOutArcList(G, nref[n3], 0); |
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417 | |
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418 | checkGraphInArcList(G, nref[n1], 0); |
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419 | checkGraphInArcList(G, nref[n2], 1); |
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420 | checkGraphInArcList(G, nref[n3], 0); |
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421 | |
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422 | checkGraphConArcList(G, 1); |
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423 | |
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424 | SmartDigraph::Arc |
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425 | a2 = g.addArc(n2, n1), |
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426 | a3 = g.addArc(n2, n3), |
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427 | a4 = g.addArc(n2, n3); |
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428 | |
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429 | digraphCopy(g, G).nodeRef(nref).run(); |
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430 | |
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431 | checkGraphNodeList(G, 3); |
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432 | checkGraphArcList(G, 4); |
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433 | |
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434 | checkGraphOutArcList(G, nref[n1], 1); |
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435 | checkGraphOutArcList(G, nref[n2], 3); |
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436 | checkGraphOutArcList(G, nref[n3], 0); |
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437 | |
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438 | checkGraphInArcList(G, nref[n1], 1); |
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439 | checkGraphInArcList(G, nref[n2], 1); |
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440 | checkGraphInArcList(G, nref[n3], 2); |
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441 | |
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442 | checkGraphConArcList(G, 4); |
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443 | |
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444 | checkNodeIds(G); |
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445 | checkArcIds(G); |
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446 | checkGraphNodeMap(G); |
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447 | checkGraphArcMap(G); |
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448 | } |
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449 | |
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450 | void checkFullDigraph(int num) { |
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451 | typedef FullDigraph Digraph; |
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452 | DIGRAPH_TYPEDEFS(Digraph); |
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453 | Digraph G(num); |
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454 | |
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455 | checkGraphNodeList(G, num); |
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456 | checkGraphArcList(G, num * num); |
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457 | |
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458 | for (NodeIt n(G); n != INVALID; ++n) { |
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459 | checkGraphOutArcList(G, n, num); |
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460 | checkGraphInArcList(G, n, num); |
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461 | } |
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462 | |
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463 | checkGraphConArcList(G, num * num); |
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464 | |
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465 | checkNodeIds(G); |
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466 | checkArcIds(G); |
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467 | checkGraphNodeMap(G); |
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468 | checkGraphArcMap(G); |
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469 | |
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470 | for (int i = 0; i < G.nodeNum(); ++i) { |
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471 | check(G.index(G(i)) == i, "Wrong index"); |
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472 | } |
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473 | |
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474 | for (NodeIt s(G); s != INVALID; ++s) { |
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475 | for (NodeIt t(G); t != INVALID; ++t) { |
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476 | Arc a = G.arc(s, t); |
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477 | check(G.source(a) == s && G.target(a) == t, "Wrong arc lookup"); |
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478 | } |
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479 | } |
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480 | } |
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481 | |
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482 | void checkDigraphs() { |
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483 | { // Checking ListDigraph |
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484 | checkDigraphBuild<ListDigraph>(); |
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485 | checkDigraphSplit<ListDigraph>(); |
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486 | checkDigraphAlter<ListDigraph>(); |
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487 | checkDigraphErase<ListDigraph>(); |
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488 | checkDigraphSnapshot<ListDigraph>(); |
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489 | checkDigraphValidityErase<ListDigraph>(); |
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490 | } |
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491 | { // Checking SmartDigraph |
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492 | checkDigraphBuild<SmartDigraph>(); |
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493 | checkDigraphSplit<SmartDigraph>(); |
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494 | checkDigraphSnapshot<SmartDigraph>(); |
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495 | checkDigraphValidity<SmartDigraph>(); |
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496 | } |
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497 | { // Checking StaticDigraph |
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498 | checkStaticDigraph(); |
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499 | } |
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500 | { // Checking FullDigraph |
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501 | checkFullDigraph(8); |
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502 | } |
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503 | } |
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504 | |
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505 | int main() { |
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506 | checkDigraphs(); |
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507 | checkConcepts(); |
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508 | return 0; |
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509 | } |
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