[906] | 1 | /* -*- C++ -*- |
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[921] | 2 | * src/test/bfs_test.cc - Part of LEMON, a generic C++ optimization library |
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[906] | 3 | * |
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| 4 | * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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| 5 | * (Egervary Combinatorial Optimization Research Group, EGRES). |
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| 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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[944] | 17 | #include <test/test_tools.h> |
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[921] | 18 | #include <lemon/smart_graph.h> |
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[944] | 19 | #include <bfs_mm.h> |
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[959] | 20 | #include <lemon/concept/graph.h> |
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[774] | 21 | |
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[921] | 22 | using namespace lemon; |
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[774] | 23 | |
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| 24 | const int PET_SIZE =5; |
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| 25 | |
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| 26 | |
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[793] | 27 | void check_Bfs_Compile() |
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[774] | 28 | { |
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[959] | 29 | typedef concept::StaticGraph Graph; |
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[774] | 30 | |
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| 31 | typedef Graph::Edge Edge; |
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| 32 | typedef Graph::Node Node; |
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| 33 | typedef Graph::EdgeIt EdgeIt; |
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| 34 | typedef Graph::NodeIt NodeIt; |
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| 35 | |
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[944] | 36 | typedef marci::Bfs<Graph> BType; |
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[774] | 37 | |
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| 38 | Graph G; |
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| 39 | Node n; |
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| 40 | Edge e; |
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[793] | 41 | int l; |
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[774] | 42 | bool b; |
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| 43 | BType::DistMap d(G); |
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| 44 | BType::PredMap p(G); |
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| 45 | BType::PredNodeMap pn(G); |
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[944] | 46 | |
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| 47 | Graph::NodeMap<bool> reached(G); |
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| 48 | Graph::NodeMap<Edge> pred(G); |
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| 49 | Graph::NodeMap<Node> pred_node(G); |
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| 50 | Graph::NodeMap<int> dist(G); |
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| 51 | BType bfs_test(G, reached, pred, pred_node, dist); |
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[774] | 52 | |
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| 53 | bfs_test.run(n); |
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| 54 | |
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| 55 | l = bfs_test.dist(n); |
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| 56 | e = bfs_test.pred(n); |
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| 57 | n = bfs_test.predNode(n); |
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| 58 | d = bfs_test.distMap(); |
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| 59 | p = bfs_test.predMap(); |
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| 60 | pn = bfs_test.predNodeMap(); |
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| 61 | b = bfs_test.reached(n); |
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| 62 | |
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| 63 | } |
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| 64 | |
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| 65 | int main() |
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| 66 | { |
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| 67 | |
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| 68 | typedef SmartGraph 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 Graph::EdgeMap<int> LengthMap; |
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| 75 | |
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| 76 | Graph G; |
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| 77 | Node s, t; |
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| 78 | PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
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| 79 | |
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| 80 | s=ps.outer[2]; |
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| 81 | t=ps.inner[0]; |
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| 82 | |
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[944] | 83 | Graph::NodeMap<bool> reached(G); |
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| 84 | Graph::NodeMap<Edge> pred(G); |
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| 85 | Graph::NodeMap<Node> pred_node(G); |
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| 86 | Graph::NodeMap<int> dist(G); |
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| 87 | marci::Bfs<Graph> bfs_test(G, reached, pred, pred_node, dist); |
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[774] | 88 | bfs_test.run(s); |
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| 89 | |
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[944] | 90 | // check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); |
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[774] | 91 | |
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| 92 | |
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[944] | 93 | // for(EdgeIt e(G); e==INVALID; ++e) { |
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[986] | 94 | // Node u=G.source(e); |
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| 95 | // Node v=G.target(e); |
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[944] | 96 | // check( !bfs_test.reached(u) || |
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| 97 | // (bfs_test.dist(v) > bfs_test.dist(u)+1), |
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| 98 | // "Wrong output."); |
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| 99 | // } |
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[774] | 100 | |
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[944] | 101 | // for(NodeIt v(G); v==INVALID; ++v) { |
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| 102 | // check(bfs_test.reached(v),"Each node should be reached."); |
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| 103 | // if ( bfs_test.pred(v)!=INVALID ) { |
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| 104 | // Edge e=bfs_test.pred(v); |
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[986] | 105 | // Node u=G.source(e); |
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[944] | 106 | // check(u==bfs_test.predNode(v),"Wrong tree."); |
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| 107 | // check(bfs_test.dist(v) - bfs_test.dist(u) == 1, |
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| 108 | // "Wrong distance. Difference: " |
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| 109 | // << std::abs(bfs_test.dist(v) - bfs_test.dist(u) |
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| 110 | // - 1)); |
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| 111 | // } |
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| 112 | // } |
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[774] | 113 | } |
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[780] | 114 | |
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