1 | /* -*- C++ -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2008 |
---|
6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
8 | * |
---|
9 | * Permission to use, modify and distribute this software is granted |
---|
10 | * provided that this copyright notice appears in all copies. For |
---|
11 | * precise terms see the accompanying LICENSE file. |
---|
12 | * |
---|
13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
14 | * express or implied, and with no claim as to its suitability for any |
---|
15 | * purpose. |
---|
16 | * |
---|
17 | */ |
---|
18 | |
---|
19 | #include <lemon/list_graph.h> |
---|
20 | #include <lemon/maps.h> |
---|
21 | #include <lemon/unionfind.h> |
---|
22 | #include "test_tools.h" |
---|
23 | |
---|
24 | using namespace lemon; |
---|
25 | using namespace std; |
---|
26 | |
---|
27 | typedef UnionFindEnum<ListGraph::NodeMap<int> > UFE; |
---|
28 | |
---|
29 | int main() { |
---|
30 | ListGraph g; |
---|
31 | ListGraph::NodeMap<int> base(g); |
---|
32 | UFE U(base); |
---|
33 | vector<ListGraph::Node> n; |
---|
34 | |
---|
35 | for(int i=0;i<20;i++) n.push_back(g.addNode()); |
---|
36 | |
---|
37 | U.insert(n[1]); |
---|
38 | U.insert(n[2]); |
---|
39 | |
---|
40 | check(U.join(n[1],n[2]) != -1, "Something is wrong with UnionFindEnum"); |
---|
41 | |
---|
42 | U.insert(n[3]); |
---|
43 | U.insert(n[4]); |
---|
44 | U.insert(n[5]); |
---|
45 | U.insert(n[6]); |
---|
46 | U.insert(n[7]); |
---|
47 | |
---|
48 | |
---|
49 | check(U.join(n[1],n[4]) != -1, "Something is wrong with UnionFindEnum"); |
---|
50 | check(U.join(n[2],n[4]) == -1, "Something is wrong with UnionFindEnum"); |
---|
51 | check(U.join(n[3],n[5]) != -1, "Something is wrong with UnionFindEnum"); |
---|
52 | |
---|
53 | |
---|
54 | U.insert(n[8],U.find(n[5])); |
---|
55 | |
---|
56 | |
---|
57 | check(U.size(U.find(n[4])) == 3, "Something is wrong with UnionFindEnum"); |
---|
58 | check(U.size(U.find(n[5])) == 3, "Something is wrong with UnionFindEnum"); |
---|
59 | check(U.size(U.find(n[6])) == 1, "Something is wrong with UnionFindEnum"); |
---|
60 | check(U.size(U.find(n[2])) == 3, "Something is wrong with UnionFindEnum"); |
---|
61 | |
---|
62 | |
---|
63 | U.insert(n[9]); |
---|
64 | U.insert(n[10],U.find(n[9])); |
---|
65 | |
---|
66 | |
---|
67 | check(U.join(n[8],n[10]) != -1, "Something is wrong with UnionFindEnum"); |
---|
68 | |
---|
69 | |
---|
70 | check(U.size(U.find(n[4])) == 3, "Something is wrong with UnionFindEnum"); |
---|
71 | check(U.size(U.find(n[9])) == 5, "Something is wrong with UnionFindEnum"); |
---|
72 | |
---|
73 | check(U.size(U.find(n[8])) == 5, "Something is wrong with UnionFindEnum"); |
---|
74 | |
---|
75 | U.erase(n[9]); |
---|
76 | U.erase(n[1]); |
---|
77 | |
---|
78 | check(U.size(U.find(n[10])) == 4, "Something is wrong with UnionFindEnum"); |
---|
79 | check(U.size(U.find(n[2])) == 2, "Something is wrong with UnionFindEnum"); |
---|
80 | |
---|
81 | U.erase(n[6]); |
---|
82 | U.split(U.find(n[8])); |
---|
83 | |
---|
84 | |
---|
85 | check(U.size(U.find(n[4])) == 2, "Something is wrong with UnionFindEnum"); |
---|
86 | check(U.size(U.find(n[3])) == 1, "Something is wrong with UnionFindEnum"); |
---|
87 | check(U.size(U.find(n[2])) == 2, "Something is wrong with UnionFindEnum"); |
---|
88 | |
---|
89 | |
---|
90 | check(U.join(n[3],n[4]) != -1, "Something is wrong with UnionFindEnum"); |
---|
91 | check(U.join(n[2],n[4]) == -1, "Something is wrong with UnionFindEnum"); |
---|
92 | |
---|
93 | |
---|
94 | check(U.size(U.find(n[4])) == 3, "Something is wrong with UnionFindEnum"); |
---|
95 | check(U.size(U.find(n[3])) == 3, "Something is wrong with UnionFindEnum"); |
---|
96 | check(U.size(U.find(n[2])) == 3, "Something is wrong with UnionFindEnum"); |
---|
97 | |
---|
98 | U.eraseClass(U.find(n[4])); |
---|
99 | U.eraseClass(U.find(n[7])); |
---|
100 | |
---|
101 | return 0; |
---|
102 | } |
---|