1 | /* -*- C++ -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2007 |
---|
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 "test_tools.h" |
---|
20 | #include <lemon/smart_graph.h> |
---|
21 | #include <lemon/bfs.h> |
---|
22 | #include <lemon/path.h> |
---|
23 | #include<lemon/concepts/graph.h> |
---|
24 | |
---|
25 | using namespace lemon; |
---|
26 | |
---|
27 | const int PET_SIZE =5; |
---|
28 | |
---|
29 | |
---|
30 | void check_Bfs_Compile() |
---|
31 | { |
---|
32 | typedef concepts::Graph Graph; |
---|
33 | |
---|
34 | typedef Graph::Edge Edge; |
---|
35 | typedef Graph::Node Node; |
---|
36 | typedef Graph::EdgeIt EdgeIt; |
---|
37 | typedef Graph::NodeIt NodeIt; |
---|
38 | |
---|
39 | typedef Bfs<Graph> BType; |
---|
40 | |
---|
41 | Graph G; |
---|
42 | Node n; |
---|
43 | Edge e; |
---|
44 | int l; |
---|
45 | bool b; |
---|
46 | BType::DistMap d(G); |
---|
47 | BType::PredMap p(G); |
---|
48 | // BType::PredNodeMap pn(G); |
---|
49 | |
---|
50 | BType bfs_test(G); |
---|
51 | |
---|
52 | bfs_test.run(n); |
---|
53 | |
---|
54 | l = bfs_test.dist(n); |
---|
55 | e = bfs_test.predEdge(n); |
---|
56 | n = bfs_test.predNode(n); |
---|
57 | d = bfs_test.distMap(); |
---|
58 | p = bfs_test.predMap(); |
---|
59 | // pn = bfs_test.predNodeMap(); |
---|
60 | b = bfs_test.reached(n); |
---|
61 | |
---|
62 | Path<Graph> pp = bfs_test.path(n); |
---|
63 | } |
---|
64 | |
---|
65 | void check_Bfs_Function_Compile() |
---|
66 | { |
---|
67 | typedef int VType; |
---|
68 | typedef concepts::Graph Graph; |
---|
69 | |
---|
70 | typedef Graph::Edge Edge; |
---|
71 | typedef Graph::Node Node; |
---|
72 | typedef Graph::EdgeIt EdgeIt; |
---|
73 | typedef Graph::NodeIt NodeIt; |
---|
74 | typedef concepts::ReadMap<Edge,VType> LengthMap; |
---|
75 | |
---|
76 | Graph g; |
---|
77 | bfs(g,Node()).run(); |
---|
78 | bfs(g).source(Node()).run(); |
---|
79 | bfs(g) |
---|
80 | .predMap(concepts::WriteMap<Node,Edge>()) |
---|
81 | .distMap(concepts::WriteMap<Node,VType>()) |
---|
82 | .reachedMap(concepts::ReadWriteMap<Node,bool>()) |
---|
83 | .processedMap(concepts::WriteMap<Node,bool>()) |
---|
84 | .run(Node()); |
---|
85 | |
---|
86 | } |
---|
87 | |
---|
88 | int main() |
---|
89 | { |
---|
90 | |
---|
91 | typedef SmartGraph Graph; |
---|
92 | |
---|
93 | typedef Graph::Edge Edge; |
---|
94 | typedef Graph::Node Node; |
---|
95 | typedef Graph::EdgeIt EdgeIt; |
---|
96 | typedef Graph::NodeIt NodeIt; |
---|
97 | typedef Graph::EdgeMap<int> LengthMap; |
---|
98 | |
---|
99 | Graph G; |
---|
100 | Node s, t; |
---|
101 | PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
---|
102 | |
---|
103 | s=ps.outer[2]; |
---|
104 | t=ps.inner[0]; |
---|
105 | |
---|
106 | Bfs<Graph> bfs_test(G); |
---|
107 | bfs_test.run(s); |
---|
108 | |
---|
109 | check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); |
---|
110 | |
---|
111 | Path<Graph> p = bfs_test.path(t); |
---|
112 | check(p.length()==3,"getPath() found a wrong path."); |
---|
113 | check(checkPath(G, p),"path() found a wrong path."); |
---|
114 | check(pathSource(G, p) == s,"path() found a wrong path."); |
---|
115 | check(pathTarget(G, p) == t,"path() found a wrong path."); |
---|
116 | |
---|
117 | |
---|
118 | for(EdgeIt e(G); e==INVALID; ++e) { |
---|
119 | Node u=G.source(e); |
---|
120 | Node v=G.target(e); |
---|
121 | check( !bfs_test.reached(u) || |
---|
122 | (bfs_test.dist(v) > bfs_test.dist(u)+1), |
---|
123 | "Wrong output."); |
---|
124 | } |
---|
125 | |
---|
126 | for(NodeIt v(G); v==INVALID; ++v) { |
---|
127 | check(bfs_test.reached(v),"Each node should be reached."); |
---|
128 | if ( bfs_test.predEdge(v)!=INVALID ) { |
---|
129 | Edge e=bfs_test.predEdge(v); |
---|
130 | Node u=G.source(e); |
---|
131 | check(u==bfs_test.predNode(v),"Wrong tree."); |
---|
132 | check(bfs_test.dist(v) - bfs_test.dist(u) == 1, |
---|
133 | "Wrong distance. Difference: " |
---|
134 | << std::abs(bfs_test.dist(v) - bfs_test.dist(u) |
---|
135 | - 1)); |
---|
136 | } |
---|
137 | } |
---|
138 | } |
---|
139 | |
---|