#include <iostream>

 //#include "test_tools.h"

 #include <lemon/list_graph.h>

 #include <mincostflow.h>

 //#include <path.h>

 //#include <maps.h>

 using namespace std;

 using namespace lemon;

 bool passed = true;

 void check(bool rc, char *msg="") {

   passed = passed && rc;

   if(!rc) {

     std::cerr << "Test failed! ("<< msg << ")" << std::endl; \

   }

 }

 int main()

 {

   typedef ListGraph::Node Node;

   typedef ListGraph::Edge Edge;

   ListGraph graph;

   //Ahuja könyv példája

   Node s=graph.addNode();

   Node v1=graph.addNode();  

   Node v2=graph.addNode();

   Node v3=graph.addNode();

   Node v4=graph.addNode();

   Node v5=graph.addNode();

   Node t=graph.addNode();

   ListGraph::NodeMap<int> supply_demand(graph);

   supply_demand.set(s, 2);

   supply_demand.set(v1, 3);

   supply_demand.set(v3, -1);

   supply_demand.set(t, -4);

   Edge s_v1=graph.addEdge(s, v1);

   Edge v1_v2=graph.addEdge(v1, v2);

   Edge s_v3=graph.addEdge(s, v3);

   Edge v2_v4=graph.addEdge(v2, v4);

   Edge v2_v5=graph.addEdge(v2, v5);

   Edge v3_v5=graph.addEdge(v3, v5);

   Edge v4_t=graph.addEdge(v4, t);

   Edge v5_t=graph.addEdge(v5, t);

   ListGraph::EdgeMap<int> cost(graph);

   cost.set(s_v1, 6);

   cost.set(v1_v2, 4);

   cost.set(s_v3, 10);

   cost.set(v2_v4, 5);

   cost.set(v2_v5, 1);

   cost.set(v3_v5, 4);

   cost.set(v4_t, 8);

   cost.set(v5_t, 8);

   /*

   ListGraph::EdgeMap<int> capacity(graph);

   capacity.set(s_v1, 2);

   capacity.set(v1_v2, 2);

   capacity.set(s_v3, 1);

   capacity.set(v2_v4, 1);

   capacity.set(v2_v5, 1);

   capacity.set(v3_v5, 1);

   capacity.set(v4_t, 1);

   capacity.set(v5_t, 2);

   */

   //  ConstMap<Edge, int> const1map(1);

   std::cout << "Enhanced capacity scaling algorithm test (for the mincostflow problem)..." << std::endl;

   MinCostFlow< ListGraph, ListGraph::EdgeMap<int>, ListGraph::NodeMap<int> >

     min_cost_flow_test(graph, cost, supply_demand);

   min_cost_flow_test.run();

   //int k=1;

   check(min_cost_flow_test.checkOptimality(), "Is the primal-dual solution pair really optimal?");

   /*

   check(  min_cost_flow_test.run(s,t,k) == 1 && min_cost_flow_test.totalLength() == 19,"One path, total cost should be 19");

   check(min_cost_flow_test.checkComplementarySlackness(), "Is the primal-dual solution pair really optimal?");

   k=2;

   check(  min_cost_flow_test.run(s,t,k) == 2 && min_cost_flow_test.totalLength() == 41,"Two paths, total cost should be 41");

   check(min_cost_flow_test.checkComplementarySlackness(), "Is the primal-dual solution pair really optimal?");

   k=4;

   check(  min_cost_flow_test.run(s,t,k) == 3 && min_cost_flow_test.totalLength() == 64,"Three paths, total cost should be 64");

   check(min_cost_flow_test.checkComplementarySlackness(), "Is the primal-dual solution pair really optimal?");

   */

   cout << (passed ? "All tests passed." : "Some of the tests failed!!!")

        << endl;

   return passed ? 0 : 1;

 }