[906] | 1 | /* -*- C++ -*- |
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| 2 | * |
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[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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| 5 | * Copyright (C) 2003-2006 |
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| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[906] | 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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[774] | 19 | #include "test_tools.h" |
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[921] | 20 | #include <lemon/smart_graph.h> |
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| 21 | #include <lemon/bfs.h> |
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[1283] | 22 | #include <lemon/path.h> |
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[959] | 23 | #include<lemon/concept/graph.h> |
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[774] | 24 | |
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[921] | 25 | using namespace lemon; |
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[774] | 26 | |
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| 27 | const int PET_SIZE =5; |
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| 28 | |
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| 29 | |
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[793] | 30 | void check_Bfs_Compile() |
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[774] | 31 | { |
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[959] | 32 | typedef concept::StaticGraph Graph; |
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[774] | 33 | |
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| 34 | typedef Graph::Edge Edge; |
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| 35 | typedef Graph::Node Node; |
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| 36 | typedef Graph::EdgeIt EdgeIt; |
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| 37 | typedef Graph::NodeIt NodeIt; |
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| 38 | |
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| 39 | typedef Bfs<Graph> BType; |
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| 40 | |
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| 41 | Graph G; |
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| 42 | Node n; |
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| 43 | Edge e; |
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[793] | 44 | int l; |
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[774] | 45 | bool b; |
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| 46 | BType::DistMap d(G); |
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| 47 | BType::PredMap p(G); |
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[1218] | 48 | // BType::PredNodeMap pn(G); |
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[774] | 49 | |
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| 50 | BType bfs_test(G); |
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| 51 | |
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| 52 | bfs_test.run(n); |
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| 53 | |
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| 54 | l = bfs_test.dist(n); |
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[1763] | 55 | e = bfs_test.predEdge(n); |
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[774] | 56 | n = bfs_test.predNode(n); |
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| 57 | d = bfs_test.distMap(); |
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| 58 | p = bfs_test.predMap(); |
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[1218] | 59 | // pn = bfs_test.predNodeMap(); |
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[774] | 60 | b = bfs_test.reached(n); |
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| 61 | |
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[1283] | 62 | DirPath<Graph> pp(G); |
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| 63 | bfs_test.getPath(pp,n); |
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[774] | 64 | } |
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| 65 | |
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[1220] | 66 | void check_Bfs_Function_Compile() |
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| 67 | { |
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| 68 | typedef int VType; |
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| 69 | typedef concept::StaticGraph Graph; |
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| 70 | |
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| 71 | typedef Graph::Edge Edge; |
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| 72 | typedef Graph::Node Node; |
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| 73 | typedef Graph::EdgeIt EdgeIt; |
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| 74 | typedef Graph::NodeIt NodeIt; |
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| 75 | typedef concept::ReadMap<Edge,VType> LengthMap; |
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| 76 | |
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| 77 | bfs(Graph(),Node()).run(); |
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| 78 | bfs(Graph()).source(Node()).run(); |
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| 79 | bfs(Graph()) |
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| 80 | .predMap(concept::WriteMap<Node,Edge>()) |
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| 81 | .distMap(concept::WriteMap<Node,VType>()) |
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| 82 | .reachedMap(concept::ReadWriteMap<Node,bool>()) |
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| 83 | .processedMap(concept::WriteMap<Node,bool>()) |
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| 84 | .run(Node()); |
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| 85 | |
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| 86 | } |
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| 87 | |
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[774] | 88 | int main() |
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| 89 | { |
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| 90 | |
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| 91 | typedef SmartGraph Graph; |
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| 92 | |
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| 93 | typedef Graph::Edge Edge; |
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| 94 | typedef Graph::Node Node; |
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| 95 | typedef Graph::EdgeIt EdgeIt; |
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| 96 | typedef Graph::NodeIt NodeIt; |
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| 97 | typedef Graph::EdgeMap<int> LengthMap; |
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| 98 | |
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| 99 | Graph G; |
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| 100 | Node s, t; |
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| 101 | PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
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| 102 | |
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| 103 | s=ps.outer[2]; |
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| 104 | t=ps.inner[0]; |
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| 105 | |
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| 106 | Bfs<Graph> bfs_test(G); |
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| 107 | bfs_test.run(s); |
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| 108 | |
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| 109 | check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); |
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| 110 | |
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[1283] | 111 | DirPath<Graph> p(G); |
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| 112 | check(bfs_test.getPath(p,t),"getPath() failed to set the path."); |
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| 113 | check(p.length()==3,"getPath() found a wrong path."); |
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| 114 | |
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[774] | 115 | |
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| 116 | for(EdgeIt e(G); e==INVALID; ++e) { |
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[986] | 117 | Node u=G.source(e); |
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| 118 | Node v=G.target(e); |
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[774] | 119 | check( !bfs_test.reached(u) || |
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| 120 | (bfs_test.dist(v) > bfs_test.dist(u)+1), |
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| 121 | "Wrong output."); |
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| 122 | } |
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| 123 | |
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[780] | 124 | for(NodeIt v(G); v==INVALID; ++v) { |
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| 125 | check(bfs_test.reached(v),"Each node should be reached."); |
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[1763] | 126 | if ( bfs_test.predEdge(v)!=INVALID ) { |
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| 127 | Edge e=bfs_test.predEdge(v); |
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[986] | 128 | Node u=G.source(e); |
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[780] | 129 | check(u==bfs_test.predNode(v),"Wrong tree."); |
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[774] | 130 | check(bfs_test.dist(v) - bfs_test.dist(u) == 1, |
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[780] | 131 | "Wrong distance. Difference: " |
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[774] | 132 | << std::abs(bfs_test.dist(v) - bfs_test.dist(u) |
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| 133 | - 1)); |
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| 134 | } |
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[780] | 135 | } |
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[774] | 136 | } |
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[780] | 137 | |
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