[906] | 1 | /* -*- C++ -*- |
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[1435] | 2 | * test/dfs_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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[780] | 17 | #include "test_tools.h" |
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[921] | 18 | #include <lemon/smart_graph.h> |
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| 19 | #include <lemon/dfs.h> |
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[1283] | 20 | #include <lemon/path.h> |
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[959] | 21 | #include <lemon/concept/graph.h> |
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[780] | 22 | |
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[921] | 23 | using namespace lemon; |
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[780] | 24 | |
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| 25 | const int PET_SIZE =5; |
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| 26 | |
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| 27 | |
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| 28 | void check_Dfs_SmartGraph_Compile() |
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| 29 | { |
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[959] | 30 | typedef concept::StaticGraph Graph; |
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[780] | 31 | |
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| 32 | typedef Graph::Edge Edge; |
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| 33 | typedef Graph::Node Node; |
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| 34 | typedef Graph::EdgeIt EdgeIt; |
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| 35 | typedef Graph::NodeIt NodeIt; |
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| 36 | |
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[793] | 37 | typedef Dfs<Graph> DType; |
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[780] | 38 | |
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| 39 | Graph G; |
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| 40 | Node n; |
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| 41 | Edge e; |
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[793] | 42 | int l; |
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[780] | 43 | bool b; |
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[793] | 44 | DType::DistMap d(G); |
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| 45 | DType::PredMap p(G); |
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[1218] | 46 | // DType::PredNodeMap pn(G); |
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[780] | 47 | |
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[793] | 48 | DType dfs_test(G); |
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[780] | 49 | |
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| 50 | dfs_test.run(n); |
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| 51 | |
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| 52 | l = dfs_test.dist(n); |
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| 53 | e = dfs_test.pred(n); |
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| 54 | n = dfs_test.predNode(n); |
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| 55 | d = dfs_test.distMap(); |
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| 56 | p = dfs_test.predMap(); |
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[1218] | 57 | // pn = dfs_test.predNodeMap(); |
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[780] | 58 | b = dfs_test.reached(n); |
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| 59 | |
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[1283] | 60 | DirPath<Graph> pp(G); |
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| 61 | dfs_test.getPath(pp,n); |
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[780] | 62 | } |
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| 63 | |
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[1220] | 64 | |
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| 65 | void check_Dfs_Function_Compile() |
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| 66 | { |
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| 67 | typedef int VType; |
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| 68 | typedef concept::StaticGraph Graph; |
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| 69 | |
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| 70 | typedef Graph::Edge Edge; |
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| 71 | typedef Graph::Node Node; |
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| 72 | typedef Graph::EdgeIt EdgeIt; |
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| 73 | typedef Graph::NodeIt NodeIt; |
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| 74 | typedef concept::ReadMap<Edge,VType> LengthMap; |
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| 75 | |
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| 76 | dfs(Graph(),Node()).run(); |
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| 77 | dfs(Graph()).source(Node()).run(); |
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| 78 | dfs(Graph()) |
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| 79 | .predMap(concept::WriteMap<Node,Edge>()) |
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| 80 | .distMap(concept::WriteMap<Node,VType>()) |
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| 81 | .reachedMap(concept::ReadWriteMap<Node,bool>()) |
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| 82 | .processedMap(concept::WriteMap<Node,bool>()) |
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| 83 | .run(Node()); |
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| 84 | |
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| 85 | } |
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| 86 | |
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[780] | 87 | int main() |
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| 88 | { |
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| 89 | |
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| 90 | typedef SmartGraph Graph; |
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| 91 | |
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| 92 | typedef Graph::Edge Edge; |
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| 93 | typedef Graph::Node Node; |
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| 94 | typedef Graph::EdgeIt EdgeIt; |
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| 95 | typedef Graph::NodeIt NodeIt; |
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| 96 | typedef Graph::EdgeMap<int> LengthMap; |
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| 97 | |
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| 98 | Graph G; |
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| 99 | Node s, t; |
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| 100 | PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
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| 101 | |
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| 102 | s=ps.outer[2]; |
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| 103 | t=ps.inner[0]; |
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| 104 | |
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| 105 | Dfs<Graph> dfs_test(G); |
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| 106 | dfs_test.run(s); |
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| 107 | |
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[1283] | 108 | DirPath<Graph> p(G); |
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| 109 | check(dfs_test.getPath(p,t),"getPath() failed to set the path."); |
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| 110 | check(p.length()==dfs_test.dist(t),"getPath() found a wrong path."); |
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| 111 | |
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[780] | 112 | for(NodeIt v(G); v!=INVALID; ++v) { |
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| 113 | check(dfs_test.reached(v),"Each node should be reached."); |
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| 114 | if ( dfs_test.pred(v)!=INVALID ) { |
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| 115 | Edge e=dfs_test.pred(v); |
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[986] | 116 | Node u=G.source(e); |
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[780] | 117 | check(u==dfs_test.predNode(v),"Wrong tree."); |
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| 118 | check(dfs_test.dist(v) - dfs_test.dist(u) == 1, |
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[1233] | 119 | "Wrong distance. (" << dfs_test.dist(u) << "->" |
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| 120 | <<dfs_test.dist(v) << ')'); |
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[780] | 121 | } |
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| 122 | } |
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| 123 | } |
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| 124 | |
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