1 | /* -*- C++ -*- |
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2 | * src/test/unionfind_test.cc - Part of LEMON, a generic C++ optimization library |
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3 | * |
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4 | * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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5 | * (Egervary Combinatorial Optimization Research Group, EGRES). |
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6 | * |
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7 | * Permission to use, modify and distribute this software is granted |
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8 | * provided that this copyright notice appears in all copies. For |
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9 | * precise terms see the accompanying LICENSE file. |
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10 | * |
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11 | * This software is provided "AS IS" with no warranty of any kind, |
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12 | * express or implied, and with no claim as to its suitability for any |
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13 | * purpose. |
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14 | * |
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15 | */ |
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16 | |
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17 | #include <iostream> |
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18 | |
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19 | #include <lemon/maps.h> |
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20 | #include <lemon/unionfind.h> |
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21 | #include "test_tools.h" |
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22 | |
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23 | using namespace lemon; |
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24 | using namespace std; |
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25 | |
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26 | template <typename T> |
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27 | class BaseMap : public StdMap<int,T> {}; |
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28 | |
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29 | typedef UnionFindEnum<int, BaseMap> UFE; |
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30 | |
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31 | void print(UFE const &ufe) { |
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32 | UFE::ClassIt cit; |
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33 | cout << "Print the classes of the structure:" << endl; |
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34 | int i = 1; |
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35 | for (ufe.first(cit); ufe.valid(cit); ufe.next(cit)) { |
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36 | cout << " " << i << " (" << cit << "):" << flush; |
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37 | UFE::ItemIt iit; |
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38 | for (ufe.first(iit, cit); ufe.valid(iit); ufe.next(iit)) { |
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39 | cout << " " << iit << flush; |
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40 | } |
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41 | cout << endl; |
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42 | i++; |
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43 | } |
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44 | cout << "done" << endl; |
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45 | } |
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46 | |
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47 | |
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48 | int main() { |
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49 | UFE::MapType base; |
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50 | UFE U(base); |
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51 | |
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52 | // print(U); |
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53 | |
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54 | cout << "Insert 1..." << endl; |
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55 | U.insert(1); |
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56 | // print(U); |
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57 | |
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58 | cout << "Insert 2..." << endl; |
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59 | U.insert(2); |
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60 | // print(U); |
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61 | |
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62 | cout << "Join 1 and 2..." << endl; |
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63 | check(U.join(1,2),"Test failed."); |
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64 | // print(U); |
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65 | |
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66 | cout << "Insert 3, 4, 5, 6, 7..." << endl; |
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67 | U.insert(3); |
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68 | U.insert(4); |
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69 | U.insert(5); |
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70 | U.insert(6); |
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71 | U.insert(7); |
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72 | // print (U); |
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73 | |
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74 | cout << "Join 1 - 4, 2 - 4 and 3 - 5 ..." << endl; |
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75 | check(U.join(1,4),"Test failed."); |
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76 | check(!U.join(2,4),"Test failed."); |
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77 | check(U.join(3,5),"Test failed."); |
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78 | // print(U); |
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79 | |
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80 | cout << "Insert 8 to the component of 5 ..." << endl; |
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81 | U.insert(8,5); |
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82 | // print(U); |
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83 | |
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84 | cout << "Size of the class of 4: " << U.size(4) << endl; |
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85 | check(U.size(4) == 3,"Test failed."); |
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86 | cout << "Size of the class of 5: " << U.size(5) << endl; |
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87 | check(U.size(5) == 3,"Test failed."); |
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88 | cout << "Size of the class of 6: " << U.size(6) << endl; |
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89 | check(U.size(6) == 1,"Test failed."); |
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90 | cout << "Size of the class of 2: " << U.size(2) << endl; |
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91 | check(U.size(2) == 3,"Test failed."); |
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92 | |
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93 | cout << "Insert 9 ..." << endl; |
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94 | U.insert(9); |
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95 | // print(U); |
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96 | cout << "Insert 10 to the component of 9 ..." << endl; |
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97 | U.insert(10,9); |
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98 | // print(U); |
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99 | |
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100 | cout << "Join 8 and 10..." << endl; |
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101 | check(U.join(8,10),"Test failed."); |
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102 | // print(U); |
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103 | |
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104 | cout << "Move 9 to the class of 4 ..." << endl; |
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105 | check(U.move(9,4),"Test failed."); |
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106 | // print(U); |
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107 | |
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108 | cout << "Move 9 to the class of 2 ..." << endl; |
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109 | check(!U.move(9,2),"Test failed."); |
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110 | // print(U); |
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111 | |
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112 | cout << "Size of the class of 4: " << U.size(4) << endl; |
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113 | check(U.size(4) == 4,"Test failed."); |
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114 | cout << "Size of the class of 9: " << U.size(9) << endl; |
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115 | check(U.size(9) == 4,"Test failed."); |
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116 | |
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117 | cout << "Move 5 to the class of 6 ..." << endl; |
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118 | check(U.move(5,6),"Test failed."); |
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119 | // print(U); |
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120 | |
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121 | cout << "Size of the class of 5: " << U.size(5) << endl; |
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122 | check(U.size(5) == 2,"Test failed."); |
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123 | cout << "Size of the class of 8: " << U.size(8) << endl; |
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124 | check(U.size(8) == 3,"Test failed."); |
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125 | |
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126 | cout << "Move 7 to the class of 10 ..." << endl; |
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127 | check(U.move(7,10),"Test failed."); |
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128 | // print(U); |
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129 | |
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130 | cout << "Size of the class of 7: " << U.size(7) << endl; |
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131 | check(U.size(7) == 4,"Test failed."); |
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132 | |
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133 | cout <<"Erase 9... " << endl; |
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134 | U.erase(9); |
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135 | // print(U); |
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136 | |
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137 | cout <<"Erase 1... " << endl; |
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138 | U.erase(1); |
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139 | // print(U); |
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140 | |
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141 | cout << "Size of the class of 4: " << U.size(4) << endl; |
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142 | check(U.size(4) == 2,"Test failed."); |
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143 | cout << "Size of the class of 2: " << U.size(2) << endl; |
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144 | check(U.size(2) == 2,"Test failed."); |
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145 | |
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146 | |
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147 | cout <<"Erase 1... " << endl; |
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148 | U.erase(1); |
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149 | // print(U); |
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150 | |
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151 | cout <<"Erase 6... " << endl; |
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152 | U.erase(6); |
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153 | // print(U); |
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154 | |
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155 | cout << "Split the class of 8... " << endl; |
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156 | U.split(8); |
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157 | // print(U); |
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158 | |
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159 | |
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160 | cout << "Size of the class of 4: " << U.size(4) << endl; |
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161 | check(U.size(4) == 2,"Test failed."); |
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162 | cout << "Size of the class of 3: " << U.size(3) << endl; |
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163 | check(U.size(3) == 1,"Test failed."); |
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164 | cout << "Size of the class of 2: " << U.size(2) << endl; |
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165 | check(U.size(2) == 2,"Test failed."); |
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166 | |
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167 | |
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168 | cout << "Join 3 - 4 and 2 - 4 ..." << endl; |
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169 | check(U.join(3,4),"Test failed."); |
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170 | check(!U.join(2,4),"Test failed."); |
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171 | // print(U); |
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172 | |
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173 | |
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174 | cout << "Size of the class of 4: " << U.size(4) << endl; |
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175 | check(U.size(4) == 3,"Test failed."); |
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176 | cout << "Size of the class of 3: " << U.size(3) << endl; |
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177 | check(U.size(3) == 3,"Test failed."); |
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178 | cout << "Size of the class of 2: " << U.size(2) << endl; |
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179 | check(U.size(2) == 3,"Test failed."); |
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180 | |
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181 | cout << "Calling makeRep(4)..." << endl; |
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182 | U.makeRep(4); |
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183 | // print(U); |
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184 | cout << "Calling makeRep(3)..." << endl; |
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185 | U.makeRep(3); |
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186 | // print(U); |
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187 | cout << "Calling makeRep(2)..." << endl; |
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188 | U.makeRep(2); |
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189 | // print(U); |
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190 | |
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191 | cout << "Size of the class of 4: " << U.size(4) << endl; |
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192 | check(U.size(4) == 3,"Test failed."); |
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193 | cout << "Size of the class of 3: " << U.size(3) << endl; |
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194 | check(U.size(3) == 3,"Test failed."); |
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195 | cout << "Size of the class of 2: " << U.size(2) << endl; |
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196 | check(U.size(2) == 3,"Test failed."); |
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197 | |
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198 | |
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199 | cout << "eraseClass 4 ..." << endl; |
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200 | U.eraseClass(4); |
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201 | // print(U); |
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202 | |
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203 | cout << "eraseClass 7 ..." << endl; |
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204 | U.eraseClass(7); |
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205 | // print(U); |
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206 | |
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207 | cout << "done." << endl; |
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208 | } |
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