/* -*- C++ -*-

  *

  * This file is a part of LEMON, a generic C++ optimization library

  *

  * Copyright (C) 2003-2006

  * 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 <lemon/concept_check.h>

 #include <lemon/concept/maps.h>

 #include <lemon/maps.h>

 #include "test_tools.h"

 using namespace lemon;

 using namespace lemon::concept;

 struct A {};

 struct B {};

 class F {

 public:

   typedef A argument_type;

   typedef B result_type;

   B operator()(const A &) const {return B();}

 };

 int func(A) {return 3;}

 int binc(int, B) {return 4;}

 typedef ReadMap<A,double> DoubleMap;

 int main()

 { // checking graph components

   checkConcept<ReadMap<A,B>, ReadMap<A,B> >();

   checkConcept<WriteMap<A,B>, WriteMap<A,B> >();

   checkConcept<ReadWriteMap<A,B>, ReadWriteMap<A,B> >();

   checkConcept<ReferenceMap<A,B,B&,const B&>, ReferenceMap<A,B,B&,const B&> >();

   checkConcept<ReadMap<A,double>, AddMap<DoubleMap,DoubleMap> >();

   checkConcept<ReadMap<A,double>, SubMap<DoubleMap,DoubleMap> >();

   checkConcept<ReadMap<A,double>, MulMap<DoubleMap,DoubleMap> >();

   checkConcept<ReadMap<A,double>, DivMap<DoubleMap,DoubleMap> >();

   checkConcept<ReadMap<A,double>, NegMap<DoubleMap> >();

   checkConcept<ReadMap<A,double>, AbsMap<DoubleMap> >();

   checkConcept<ReadMap<A,double>, ShiftMap<DoubleMap> >();

   checkConcept<ReadMap<A,double>, ScaleMap<DoubleMap> >();

   checkConcept<ReadMap<B,double>, ComposeMap<DoubleMap,ReadMap<B,A> > >();

   checkConcept<ReadMap<A,B>, FunctorMap<F, A, B> >();

   int a;

   a=mapFunctor(constMap<A,int>(2))(A());

   check(a==2,"Something is wrong with mapFunctor");

   B b;

   b=functorMap(F())[A()];

   a=functorMap(&func)[A()];

   check(a==3,"Something is wrong with functorMap");

   a=combineMap(constMap<B, int, 1>(), identityMap<B>(), &binc)[B()];

   check(a==4,"Something is wrong with combineMap");

   std::cout << __FILE__ ": All tests passed.\n";

   return 0;

 }