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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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*
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* This file is a part of LEMON, a generic C++ optimization library.
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*
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* Copyright (C) 2003-2009
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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*
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* Permission to use, modify and distribute this software is granted
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* provided that this copyright notice appears in all copies. For
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* precise terms see the accompanying LICENSE file.
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*
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* This software is provided "AS IS" with no warranty of any kind,
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* express or implied, and with no claim as to its suitability for any
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* purpose.
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*
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*/
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#include <lemon/list_graph.h>
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#include <lemon/maps.h>
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#include <lemon/unionfind.h>
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#include "test_tools.h"
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using namespace lemon;
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using namespace std;
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typedef UnionFindEnum<ListGraph::NodeMap<int> > UFE;
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int main() {
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ListGraph g;
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ListGraph::NodeMap<int> base(g);
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UFE U(base);
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vector<ListGraph::Node> n;
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for(int i=0;i<20;i++) n.push_back(g.addNode());
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U.insert(n[1]);
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U.insert(n[2]);
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kpeter@171
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check(U.join(n[1],n[2]) != -1, "Something is wrong with UnionFindEnum");
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U.insert(n[3]);
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U.insert(n[4]);
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U.insert(n[5]);
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U.insert(n[6]);
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U.insert(n[7]);
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kpeter@171
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check(U.join(n[1],n[4]) != -1, "Something is wrong with UnionFindEnum");
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check(U.join(n[2],n[4]) == -1, "Something is wrong with UnionFindEnum");
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check(U.join(n[3],n[5]) != -1, "Something is wrong with UnionFindEnum");
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U.insert(n[8],U.find(n[5]));
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check(U.size(U.find(n[4])) == 3, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[5])) == 3, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[6])) == 1, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[2])) == 3, "Something is wrong with UnionFindEnum");
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U.insert(n[9]);
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U.insert(n[10],U.find(n[9]));
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check(U.join(n[8],n[10]) != -1, "Something is wrong with UnionFindEnum");
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kpeter@171
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check(U.size(U.find(n[4])) == 3, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[9])) == 5, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[8])) == 5, "Something is wrong with UnionFindEnum");
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U.erase(n[9]);
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U.erase(n[1]);
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check(U.size(U.find(n[10])) == 4, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[2])) == 2, "Something is wrong with UnionFindEnum");
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U.erase(n[6]);
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U.split(U.find(n[8]));
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check(U.size(U.find(n[4])) == 2, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[3])) == 1, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[2])) == 2, "Something is wrong with UnionFindEnum");
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kpeter@171
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check(U.join(n[3],n[4]) != -1, "Something is wrong with UnionFindEnum");
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check(U.join(n[2],n[4]) == -1, "Something is wrong with UnionFindEnum");
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kpeter@171
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check(U.size(U.find(n[4])) == 3, "Something is wrong with UnionFindEnum");
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kpeter@171
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check(U.size(U.find(n[3])) == 3, "Something is wrong with UnionFindEnum");
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check(U.size(U.find(n[2])) == 3, "Something is wrong with UnionFindEnum");
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U.eraseClass(U.find(n[4]));
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U.eraseClass(U.find(n[7]));
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return 0;
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}
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