/* -*- C++ -*-

  * src/test/bfs_test.cc - Part of LEMON, a generic C++ optimization library

  *

  * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Combinatorial Optimization Research Group, 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/test_tools.h>

 #include <lemon/smart_graph.h>

 #include <bfs_mm.h>

 #include <lemon/concept/graph.h>

 using namespace lemon;

 const int PET_SIZE =5;

 void check_Bfs_Compile() 

 {

   typedef concept::StaticGraph Graph;

   typedef Graph::Edge Edge;

   typedef Graph::Node Node;

   typedef Graph::EdgeIt EdgeIt;

   typedef Graph::NodeIt NodeIt;

   typedef marci::Bfs<Graph> BType;

   Graph G;

   Node n;

   Edge e;

   int l;

   bool b;

   BType::DistMap d(G);

   BType::PredMap p(G);

   BType::PredNodeMap pn(G);

    Graph::NodeMap<bool> reached(G);

    Graph::NodeMap<Edge> pred(G);

    Graph::NodeMap<Node> pred_node(G);

    Graph::NodeMap<int> dist(G);  

    BType bfs_test(G, reached, pred, pred_node, dist);

   bfs_test.run(n);

   l  = bfs_test.dist(n);

   e  = bfs_test.pred(n);

   n  = bfs_test.predNode(n);

   d  = bfs_test.distMap();

   p  = bfs_test.predMap();

   pn = bfs_test.predNodeMap();

   b  = bfs_test.reached(n);

 }

 int main()

 {

   typedef SmartGraph Graph;

   typedef Graph::Edge Edge;

   typedef Graph::Node Node;

   typedef Graph::EdgeIt EdgeIt;

   typedef Graph::NodeIt NodeIt;

   typedef Graph::EdgeMap<int> LengthMap;

   Graph G;

   Node s, t;

   PetStruct<Graph> ps = addPetersen(G,PET_SIZE);

   s=ps.outer[2];

   t=ps.inner[0];

    Graph::NodeMap<bool> reached(G);

    Graph::NodeMap<Edge> pred(G);

    Graph::NodeMap<Node> pred_node(G);

    Graph::NodeMap<int> dist(G);

    marci::Bfs<Graph> bfs_test(G, reached, pred, pred_node, dist);

   bfs_test.run(s);

 //   check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t));

 //   for(EdgeIt e(G); e==INVALID; ++e) {

 //     Node u=G.tail(e);

 //     Node v=G.head(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.pred(v)!=INVALID ) {

 //       Edge e=bfs_test.pred(v);

 //       Node u=G.tail(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));

 //     }

 //   }

 }