diff --git a/test/bfs_test.cc b/test/bfs_test.cc new file mode 100644 --- /dev/null +++ b/test/bfs_test.cc @@ -0,0 +1,141 @@ +/* -*- C++ -*- + * + * This file is a part of LEMON, a generic C++ optimization library + * + * Copyright (C) 2003-2008 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport + * (Egervary Research Group on Combinatorial Optimization, EGRES). + * + * Permission to use, modify and distribute this software is granted + * provided that this copyright notice appears in all copies. For + * precise terms see the accompanying LICENSE file. + * + * This software is provided "AS IS" with no warranty of any kind, + * express or implied, and with no claim as to its suitability for any + * purpose. + * + */ + +#include "test_tools.h" +//#include +#include +#include +#include +#include + +using namespace lemon; + +const int PET_SIZE =5; + + +void check_Bfs_Compile() +{ + typedef concepts::Digraph Digraph; + + typedef Digraph::Arc Arc; + typedef Digraph::Node Node; + typedef Digraph::ArcIt ArcIt; + typedef Digraph::NodeIt NodeIt; + + typedef Bfs BType; + + Digraph G; + Node n; + Arc e; + int l; + bool b; + BType::DistMap d(G); + BType::PredMap p(G); + // BType::PredNodeMap pn(G); + + BType bfs_test(G); + + bfs_test.run(n); + + l = bfs_test.dist(n); + e = bfs_test.predArc(n); + n = bfs_test.predNode(n); + d = bfs_test.distMap(); + p = bfs_test.predMap(); + // pn = bfs_test.predNodeMap(); + b = bfs_test.reached(n); + + Path pp = bfs_test.path(n); +} + +void check_Bfs_Function_Compile() +{ + typedef int VType; + typedef concepts::Digraph Digraph; + + typedef Digraph::Arc Arc; + typedef Digraph::Node Node; + typedef Digraph::ArcIt ArcIt; + typedef Digraph::NodeIt NodeIt; + typedef concepts::ReadMap LengthMap; + + Digraph g; + bfs(g,Node()).run(); + bfs(g).source(Node()).run(); + bfs(g) + .predMap(concepts::WriteMap()) + .distMap(concepts::WriteMap()) + .reachedMap(concepts::ReadWriteMap()) + .processedMap(concepts::WriteMap()) + .run(Node()); + +} + +int main() +{ + + // typedef SmartDigraph Digraph; + typedef ListDigraph Digraph; + + typedef Digraph::Arc Arc; + typedef Digraph::Node Node; + typedef Digraph::ArcIt ArcIt; + typedef Digraph::NodeIt NodeIt; + typedef Digraph::ArcMap LengthMap; + + Digraph G; + Node s, t; + PetStruct ps = addPetersen(G,PET_SIZE); + + s=ps.outer[2]; + t=ps.inner[0]; + + Bfs bfs_test(G); + bfs_test.run(s); + + check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); + + Path p = bfs_test.path(t); + check(p.length()==3,"getPath() found a wrong path."); + check(checkPath(G, p),"path() found a wrong path."); + check(pathSource(G, p) == s,"path() found a wrong path."); + check(pathTarget(G, p) == t,"path() found a wrong path."); + + + for(ArcIt e(G); e==INVALID; ++e) { + Node u=G.source(e); + Node v=G.target(e); + check( !bfs_test.reached(u) || + (bfs_test.dist(v) > bfs_test.dist(u)+1), + "Wrong output."); + } + + for(NodeIt v(G); v==INVALID; ++v) { + check(bfs_test.reached(v),"Each node should be reached."); + if ( bfs_test.predArc(v)!=INVALID ) { + Arc e=bfs_test.predArc(v); + Node u=G.source(e); + check(u==bfs_test.predNode(v),"Wrong tree."); + check(bfs_test.dist(v) - bfs_test.dist(u) == 1, + "Wrong distance. Difference: " + << std::abs(bfs_test.dist(v) - bfs_test.dist(u) + - 1)); + } + } +} +