[906] | 1 | /* -*- C++ -*- |
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[1435] | 2 | * test/unionfind_test.cc - Part of LEMON, a generic C++ optimization library |
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[906] | 3 | * |
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[1164] | 4 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 5 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[906] | 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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[483] | 17 | #include <iostream> |
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| 18 | |
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[921] | 19 | #include <lemon/maps.h> |
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| 20 | #include <lemon/unionfind.h> |
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[774] | 21 | #include "test_tools.h" |
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[483] | 22 | |
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[921] | 23 | using namespace lemon; |
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[483] | 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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[774] | 33 | cout << "Print the classes of the structure:" << endl; |
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[483] | 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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[1569] | 52 | U.insert(1); |
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| 53 | U.insert(2); |
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[483] | 54 | |
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[774] | 55 | check(U.join(1,2),"Test failed."); |
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[483] | 56 | |
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| 57 | U.insert(3); |
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| 58 | U.insert(4); |
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| 59 | U.insert(5); |
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| 60 | U.insert(6); |
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| 61 | U.insert(7); |
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| 62 | |
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[774] | 63 | check(U.join(1,4),"Test failed."); |
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| 64 | check(!U.join(2,4),"Test failed."); |
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| 65 | check(U.join(3,5),"Test failed."); |
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[483] | 66 | |
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| 67 | U.insert(8,5); |
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| 68 | |
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[774] | 69 | check(U.size(4) == 3,"Test failed."); |
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| 70 | check(U.size(5) == 3,"Test failed."); |
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| 71 | check(U.size(6) == 1,"Test failed."); |
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| 72 | check(U.size(2) == 3,"Test failed."); |
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[483] | 73 | |
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| 74 | U.insert(9); |
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| 75 | U.insert(10,9); |
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[1569] | 76 | check(U.join(8,10),"Test failed."); |
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[483] | 77 | |
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[1569] | 78 | check(U.move(9,4),"Test failed."); |
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| 79 | check(!U.move(9,2),"Test failed."); |
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[483] | 80 | |
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[1569] | 81 | check(U.size(4) == 4,"Test failed."); |
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| 82 | check(U.size(9) == 4,"Test failed."); |
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[483] | 83 | |
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[1569] | 84 | check(U.move(5,6),"Test failed."); |
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[483] | 85 | |
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[774] | 86 | check(U.size(5) == 2,"Test failed."); |
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| 87 | check(U.size(8) == 3,"Test failed."); |
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[483] | 88 | |
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[774] | 89 | check(U.move(7,10),"Test failed."); |
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| 90 | check(U.size(7) == 4,"Test failed."); |
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[483] | 91 | |
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| 92 | U.erase(9); |
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[1569] | 93 | U.erase(1); |
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[483] | 94 | |
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[774] | 95 | check(U.size(4) == 2,"Test failed."); |
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| 96 | check(U.size(2) == 2,"Test failed."); |
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[483] | 97 | |
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[1569] | 98 | U.erase(1); |
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| 99 | U.erase(6); |
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| 100 | U.split(8); |
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[483] | 101 | |
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[774] | 102 | check(U.size(4) == 2,"Test failed."); |
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| 103 | check(U.size(3) == 1,"Test failed."); |
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| 104 | check(U.size(2) == 2,"Test failed."); |
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[483] | 105 | |
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[774] | 106 | check(U.join(3,4),"Test failed."); |
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| 107 | check(!U.join(2,4),"Test failed."); |
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[483] | 108 | |
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[774] | 109 | check(U.size(4) == 3,"Test failed."); |
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| 110 | check(U.size(3) == 3,"Test failed."); |
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| 111 | check(U.size(2) == 3,"Test failed."); |
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[483] | 112 | |
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| 113 | U.makeRep(4); |
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| 114 | U.makeRep(3); |
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| 115 | U.makeRep(2); |
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| 116 | |
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[774] | 117 | check(U.size(4) == 3,"Test failed."); |
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| 118 | check(U.size(3) == 3,"Test failed."); |
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| 119 | check(U.size(2) == 3,"Test failed."); |
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[483] | 120 | |
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| 121 | |
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| 122 | U.eraseClass(4); |
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[1569] | 123 | U.eraseClass(7); |
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[483] | 124 | |
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| 125 | } |
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