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/full_graph.h> |
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23 | |
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24 | #include "test_tools.h" |
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25 | #include "graph_test.h" |
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26 | |
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27 | using namespace lemon; |
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28 | using namespace lemon::concepts; |
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29 | |
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30 | template <class Digraph> |
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31 | void checkDigraphBuild() { |
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32 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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33 | Digraph G; |
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34 | |
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35 | checkGraphNodeList(G, 0); |
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36 | checkGraphArcList(G, 0); |
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37 | |
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38 | Node |
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39 | n1 = G.addNode(), |
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40 | n2 = G.addNode(), |
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41 | n3 = G.addNode(); |
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42 | checkGraphNodeList(G, 3); |
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43 | checkGraphArcList(G, 0); |
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44 | |
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45 | Arc a1 = G.addArc(n1, n2); |
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46 | check(G.source(a1) == n1 && G.target(a1) == n2, "Wrong arc"); |
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47 | checkGraphNodeList(G, 3); |
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48 | checkGraphArcList(G, 1); |
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49 | |
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50 | checkGraphOutArcList(G, n1, 1); |
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51 | checkGraphOutArcList(G, n2, 0); |
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52 | checkGraphOutArcList(G, n3, 0); |
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53 | |
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54 | checkGraphInArcList(G, n1, 0); |
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55 | checkGraphInArcList(G, n2, 1); |
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56 | checkGraphInArcList(G, n3, 0); |
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57 | |
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58 | checkGraphConArcList(G, 1); |
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59 | |
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60 | Arc a2 = G.addArc(n2, n1), |
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61 | a3 = G.addArc(n2, n3), |
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62 | a4 = G.addArc(n2, n3); |
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63 | ::lemon::ignore_unused_variable_warning(a2,a3,a4); |
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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 | ::lemon::ignore_unused_variable_warning(a1,a2,a3,a4); |
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93 | |
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94 | Node n4 = G.split(n2); |
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95 | |
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96 | check(G.target(OutArcIt(G, n2)) == n4 && |
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97 | G.source(InArcIt(G, n4)) == n2, |
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98 | "Wrong split."); |
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99 | |
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100 | checkGraphNodeList(G, 4); |
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101 | checkGraphArcList(G, 5); |
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102 | |
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103 | checkGraphOutArcList(G, n1, 1); |
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104 | checkGraphOutArcList(G, n2, 1); |
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105 | checkGraphOutArcList(G, n3, 0); |
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106 | checkGraphOutArcList(G, n4, 3); |
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107 | |
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108 | checkGraphInArcList(G, n1, 1); |
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109 | checkGraphInArcList(G, n2, 1); |
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110 | checkGraphInArcList(G, n3, 2); |
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111 | checkGraphInArcList(G, n4, 1); |
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112 | |
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113 | checkGraphConArcList(G, 5); |
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114 | } |
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115 | |
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116 | template <class Digraph> |
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117 | void checkDigraphAlter() { |
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118 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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119 | |
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120 | Digraph G; |
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121 | Node n1 = G.addNode(), n2 = G.addNode(), |
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122 | n3 = G.addNode(), n4 = G.addNode(); |
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123 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1), |
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124 | a3 = G.addArc(n4, n3), a4 = G.addArc(n4, n3), |
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125 | a5 = G.addArc(n2, n4); |
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126 | ::lemon::ignore_unused_variable_warning(a1,a2,a3,a5); |
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127 | |
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128 | checkGraphNodeList(G, 4); |
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129 | checkGraphArcList(G, 5); |
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130 | |
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131 | // Check changeSource() and changeTarget() |
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132 | G.changeTarget(a4, n1); |
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133 | |
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134 | checkGraphNodeList(G, 4); |
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135 | checkGraphArcList(G, 5); |
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136 | |
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137 | checkGraphOutArcList(G, n1, 1); |
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138 | checkGraphOutArcList(G, n2, 1); |
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139 | checkGraphOutArcList(G, n3, 0); |
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140 | checkGraphOutArcList(G, n4, 3); |
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141 | |
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142 | checkGraphInArcList(G, n1, 2); |
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143 | checkGraphInArcList(G, n2, 1); |
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144 | checkGraphInArcList(G, n3, 1); |
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145 | checkGraphInArcList(G, n4, 1); |
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146 | |
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147 | checkGraphConArcList(G, 5); |
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148 | |
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149 | G.changeSource(a4, n3); |
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150 | |
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151 | checkGraphNodeList(G, 4); |
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152 | checkGraphArcList(G, 5); |
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153 | |
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154 | checkGraphOutArcList(G, n1, 1); |
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155 | checkGraphOutArcList(G, n2, 1); |
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156 | checkGraphOutArcList(G, n3, 1); |
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157 | checkGraphOutArcList(G, n4, 2); |
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158 | |
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159 | checkGraphInArcList(G, n1, 2); |
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160 | checkGraphInArcList(G, n2, 1); |
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161 | checkGraphInArcList(G, n3, 1); |
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162 | checkGraphInArcList(G, n4, 1); |
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163 | |
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164 | checkGraphConArcList(G, 5); |
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165 | |
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166 | // Check contract() |
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167 | G.contract(n2, n4, false); |
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168 | |
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169 | checkGraphNodeList(G, 3); |
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170 | checkGraphArcList(G, 5); |
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171 | |
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172 | checkGraphOutArcList(G, n1, 1); |
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173 | checkGraphOutArcList(G, n2, 3); |
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174 | checkGraphOutArcList(G, n3, 1); |
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175 | |
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176 | checkGraphInArcList(G, n1, 2); |
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177 | checkGraphInArcList(G, n2, 2); |
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178 | checkGraphInArcList(G, n3, 1); |
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179 | |
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180 | checkGraphConArcList(G, 5); |
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181 | |
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182 | G.contract(n2, n1); |
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183 | |
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184 | checkGraphNodeList(G, 2); |
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185 | checkGraphArcList(G, 3); |
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186 | |
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187 | checkGraphOutArcList(G, n2, 2); |
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188 | checkGraphOutArcList(G, n3, 1); |
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189 | |
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190 | checkGraphInArcList(G, n2, 2); |
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191 | checkGraphInArcList(G, n3, 1); |
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192 | |
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193 | checkGraphConArcList(G, 3); |
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194 | } |
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195 | |
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196 | template <class Digraph> |
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197 | void checkDigraphErase() { |
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198 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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199 | |
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200 | Digraph G; |
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201 | Node n1 = G.addNode(), n2 = G.addNode(), |
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202 | n3 = G.addNode(), n4 = G.addNode(); |
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203 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1), |
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204 | a3 = G.addArc(n4, n3), a4 = G.addArc(n3, n1), |
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205 | a5 = G.addArc(n2, n4); |
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206 | ::lemon::ignore_unused_variable_warning(a2,a3,a4,a5); |
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207 | |
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208 | // Check arc deletion |
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209 | G.erase(a1); |
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210 | |
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211 | checkGraphNodeList(G, 4); |
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212 | checkGraphArcList(G, 4); |
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213 | |
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214 | checkGraphOutArcList(G, n1, 0); |
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215 | checkGraphOutArcList(G, n2, 1); |
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216 | checkGraphOutArcList(G, n3, 1); |
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217 | checkGraphOutArcList(G, n4, 2); |
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218 | |
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219 | checkGraphInArcList(G, n1, 2); |
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220 | checkGraphInArcList(G, n2, 0); |
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221 | checkGraphInArcList(G, n3, 1); |
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222 | checkGraphInArcList(G, n4, 1); |
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223 | |
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224 | checkGraphConArcList(G, 4); |
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225 | |
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226 | // Check node deletion |
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227 | G.erase(n4); |
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228 | |
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229 | checkGraphNodeList(G, 3); |
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230 | checkGraphArcList(G, 1); |
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231 | |
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232 | checkGraphOutArcList(G, n1, 0); |
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233 | checkGraphOutArcList(G, n2, 0); |
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234 | checkGraphOutArcList(G, n3, 1); |
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235 | checkGraphOutArcList(G, n4, 0); |
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236 | |
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237 | checkGraphInArcList(G, n1, 1); |
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238 | checkGraphInArcList(G, n2, 0); |
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239 | checkGraphInArcList(G, n3, 0); |
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240 | checkGraphInArcList(G, n4, 0); |
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241 | |
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242 | checkGraphConArcList(G, 1); |
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243 | } |
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244 | |
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245 | |
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246 | template <class Digraph> |
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247 | void checkDigraphSnapshot() { |
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248 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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249 | |
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250 | Digraph G; |
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251 | Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode(); |
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252 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1), |
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253 | a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3); |
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254 | ::lemon::ignore_unused_variable_warning(a1,a2,a3,a4); |
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255 | |
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256 | typename Digraph::Snapshot snapshot(G); |
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257 | |
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258 | Node n = G.addNode(); |
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259 | G.addArc(n3, n); |
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260 | G.addArc(n, n3); |
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261 | |
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262 | checkGraphNodeList(G, 4); |
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263 | checkGraphArcList(G, 6); |
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264 | |
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265 | snapshot.restore(); |
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266 | |
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267 | checkGraphNodeList(G, 3); |
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268 | checkGraphArcList(G, 4); |
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269 | |
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270 | checkGraphOutArcList(G, n1, 1); |
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271 | checkGraphOutArcList(G, n2, 3); |
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272 | checkGraphOutArcList(G, n3, 0); |
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273 | |
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274 | checkGraphInArcList(G, n1, 1); |
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275 | checkGraphInArcList(G, n2, 1); |
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276 | checkGraphInArcList(G, n3, 2); |
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277 | |
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278 | checkGraphConArcList(G, 4); |
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279 | |
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280 | checkNodeIds(G); |
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281 | checkArcIds(G); |
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282 | checkGraphNodeMap(G); |
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283 | checkGraphArcMap(G); |
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284 | |
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285 | G.addNode(); |
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286 | snapshot.save(G); |
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287 | |
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288 | G.addArc(G.addNode(), G.addNode()); |
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289 | |
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290 | snapshot.restore(); |
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291 | |
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292 | checkGraphNodeList(G, 4); |
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293 | checkGraphArcList(G, 4); |
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294 | } |
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295 | |
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296 | void checkConcepts() { |
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297 | { // Checking digraph components |
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298 | checkConcept<BaseDigraphComponent, BaseDigraphComponent >(); |
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299 | |
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300 | checkConcept<IDableDigraphComponent<>, |
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301 | IDableDigraphComponent<> >(); |
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302 | |
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303 | checkConcept<IterableDigraphComponent<>, |
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304 | IterableDigraphComponent<> >(); |
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305 | |
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306 | checkConcept<MappableDigraphComponent<>, |
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307 | MappableDigraphComponent<> >(); |
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308 | } |
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309 | { // Checking skeleton digraph |
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310 | checkConcept<Digraph, Digraph>(); |
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311 | } |
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312 | { // Checking ListDigraph |
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313 | checkConcept<Digraph, ListDigraph>(); |
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314 | checkConcept<AlterableDigraphComponent<>, ListDigraph>(); |
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315 | checkConcept<ExtendableDigraphComponent<>, ListDigraph>(); |
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316 | checkConcept<ClearableDigraphComponent<>, ListDigraph>(); |
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317 | checkConcept<ErasableDigraphComponent<>, ListDigraph>(); |
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318 | } |
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319 | { // Checking SmartDigraph |
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320 | checkConcept<Digraph, SmartDigraph>(); |
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321 | checkConcept<AlterableDigraphComponent<>, SmartDigraph>(); |
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322 | checkConcept<ExtendableDigraphComponent<>, SmartDigraph>(); |
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323 | checkConcept<ClearableDigraphComponent<>, SmartDigraph>(); |
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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 | ::lemon::ignore_unused_variable_warning(e2); |
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344 | |
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345 | check(g.valid(n1), "Wrong validity check"); |
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346 | check(g.valid(e1), "Wrong validity check"); |
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347 | |
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348 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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349 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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350 | } |
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351 | |
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352 | template <typename Digraph> |
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353 | void checkDigraphValidityErase() { |
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354 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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355 | Digraph g; |
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356 | |
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357 | Node |
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358 | n1 = g.addNode(), |
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359 | n2 = g.addNode(), |
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360 | n3 = g.addNode(); |
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361 | |
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362 | Arc |
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363 | e1 = g.addArc(n1, n2), |
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364 | e2 = g.addArc(n2, n3); |
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365 | |
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366 | check(g.valid(n1), "Wrong validity check"); |
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367 | check(g.valid(e1), "Wrong validity check"); |
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368 | |
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369 | g.erase(n1); |
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370 | |
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371 | check(!g.valid(n1), "Wrong validity check"); |
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372 | check(g.valid(n2), "Wrong validity check"); |
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373 | check(g.valid(n3), "Wrong validity check"); |
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374 | check(!g.valid(e1), "Wrong validity check"); |
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375 | check(g.valid(e2), "Wrong validity check"); |
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376 | |
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377 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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378 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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379 | } |
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380 | |
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381 | void checkFullDigraph(int num) { |
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382 | typedef FullDigraph Digraph; |
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383 | DIGRAPH_TYPEDEFS(Digraph); |
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384 | Digraph G(num); |
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385 | |
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386 | checkGraphNodeList(G, num); |
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387 | checkGraphArcList(G, num * num); |
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388 | |
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389 | for (NodeIt n(G); n != INVALID; ++n) { |
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390 | checkGraphOutArcList(G, n, num); |
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391 | checkGraphInArcList(G, n, num); |
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392 | } |
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393 | |
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394 | checkGraphConArcList(G, num * num); |
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395 | |
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396 | checkNodeIds(G); |
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397 | checkArcIds(G); |
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398 | checkGraphNodeMap(G); |
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399 | checkGraphArcMap(G); |
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400 | |
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401 | for (int i = 0; i < G.nodeNum(); ++i) { |
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402 | check(G.index(G(i)) == i, "Wrong index"); |
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403 | } |
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404 | |
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405 | for (NodeIt s(G); s != INVALID; ++s) { |
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406 | for (NodeIt t(G); t != INVALID; ++t) { |
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407 | Arc a = G.arc(s, t); |
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408 | check(G.source(a) == s && G.target(a) == t, "Wrong arc lookup"); |
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409 | } |
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410 | } |
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411 | } |
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412 | |
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413 | void checkDigraphs() { |
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414 | { // Checking ListDigraph |
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415 | checkDigraphBuild<ListDigraph>(); |
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416 | checkDigraphSplit<ListDigraph>(); |
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417 | checkDigraphAlter<ListDigraph>(); |
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418 | checkDigraphErase<ListDigraph>(); |
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419 | checkDigraphSnapshot<ListDigraph>(); |
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420 | checkDigraphValidityErase<ListDigraph>(); |
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421 | } |
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422 | { // Checking SmartDigraph |
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423 | checkDigraphBuild<SmartDigraph>(); |
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424 | checkDigraphSplit<SmartDigraph>(); |
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425 | checkDigraphSnapshot<SmartDigraph>(); |
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426 | checkDigraphValidity<SmartDigraph>(); |
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427 | } |
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428 | { // Checking FullDigraph |
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429 | checkFullDigraph(8); |
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430 | } |
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431 | } |
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432 | |
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433 | int main() { |
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434 | checkDigraphs(); |
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435 | checkConcepts(); |
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436 | return 0; |
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437 | } |
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