/* -*- 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 <deque>

#include <set>

#include <lemon/concept_check.h>

#include <lemon/concepts/maps.h>

#include <lemon/maps.h>

#include "test_tools.h"

using namespace lemon;

using namespace lemon::concepts;

struct A {};

inline bool operator<(A, A) { return true; }

struct B {};

class F {

public:

  typedef A argument_type;

  typedef B result_type;

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

private:

  F& operator=(const F&);

};

int func(A) { return 3; }

int binc(int a, B) { return a+1; }

typedef ReadMap<A, double> DoubleMap;

typedef ReadWriteMap<A, double> DoubleWriteMap;

typedef ReferenceMap<A, double, double&, const double&> DoubleRefMap;

typedef ReadMap<A, bool> BoolMap;

typedef ReadWriteMap<A, bool> BoolWriteMap;

typedef ReferenceMap<A, bool, bool&, const bool&> BoolRefMap;

int main()

{

  // Map concepts

  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&> >();

  // NullMap

  {

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

    NullMap<A,B> map1;

    NullMap<A,B> map2 = map1;

    map1 = nullMap<A,B>();

  }

  // ConstMap

  {

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

    ConstMap<A,B> map1;

    ConstMap<A,B> map2(B());

    ConstMap<A,B> map3 = map1;

    map1 = constMap<A>(B());

    map1.setAll(B());

    checkConcept<ReadWriteMap<A,int>, ConstMap<A,int> >();

    check(constMap<A>(10)[A()] == 10, "Something is wrong with ConstMap");

    checkConcept<ReadWriteMap<A,int>, ConstMap<A,Const<int,10> > >();

    ConstMap<A,Const<int,10> > map4;

    ConstMap<A,Const<int,10> > map5 = map4;

    map4 = map5;

    check(map4[A()] == 10 && map5[A()] == 10, "Something is wrong with ConstMap");

  }

  // IdentityMap

  {

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

    IdentityMap<A> map1;

    IdentityMap<A> map2 = map1;

    map1 = identityMap<A>();

    checkConcept<ReadMap<double,double>, IdentityMap<double> >();

    check(identityMap<double>()[1.0] == 1.0 && identityMap<double>()[3.14] == 3.14,

          "Something is wrong with IdentityMap");

  }

  // RangeMap

  {

    checkConcept<ReferenceMap<int,B,B&,const B&>, RangeMap<B> >();

    RangeMap<B> map1;

    RangeMap<B> map2(10);

    RangeMap<B> map3(10,B());

    RangeMap<B> map4 = map1;

    RangeMap<B> map5 = rangeMap<B>();

    RangeMap<B> map6 = rangeMap<B>(10);

    RangeMap<B> map7 = rangeMap(10,B());

    checkConcept< ReferenceMap<int, double, double&, const double&>,

                  RangeMap<double> >();

    std::vector<double> v(10, 0);

    v[5] = 100;

    RangeMap<double> map8(v);

    RangeMap<double> map9 = rangeMap(v);

    check(map9.size() == 10 && map9[2] == 0 && map9[5] == 100,

          "Something is wrong with RangeMap");

  }

  // SparseMap

  {

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

    SparseMap<A,B> map1;

    SparseMap<A,B> map2(B());

    SparseMap<A,B> map3 = sparseMap<A,B>();

    SparseMap<A,B> map4 = sparseMap<A>(B());

    checkConcept< ReferenceMap<double, int, int&, const int&>,

                  SparseMap<double, int> >();

    std::map<double, int> m;

    SparseMap<double, int> map5(m);

    SparseMap<double, int> map6(m,10);

    SparseMap<double, int> map7 = sparseMap(m);

    SparseMap<double, int> map8 = sparseMap(m,10);

    check(map5[1.0] == 0 && map5[3.14] == 0 && map6[1.0] == 10 && map6[3.14] == 10,

          "Something is wrong with SparseMap");

    map5[1.0] = map6[3.14] = 100;

    check(map5[1.0] == 100 && map5[3.14] == 0 && map6[1.0] == 10 && map6[3.14] == 100,

          "Something is wrong with SparseMap");

  }

  // ComposeMap

  {

    typedef ComposeMap<DoubleMap, ReadMap<B,A> > CompMap;

    checkConcept<ReadMap<B,double>, CompMap>();

    CompMap map1(DoubleMap(),ReadMap<B,A>());

    CompMap map2 = composeMap(DoubleMap(), ReadMap<B,A>());

    SparseMap<double, bool> m1(false); m1[3.14] = true;

    RangeMap<double> m2(2); m2[0] = 3.0; m2[1] = 3.14;

    check(!composeMap(m1,m2)[0] && composeMap(m1,m2)[1], "Something is wrong with ComposeMap")

  }

  // CombineMap

  {

    typedef CombineMap<DoubleMap, DoubleMap, std::plus<double> > CombMap;

    checkConcept<ReadMap<A,double>, CombMap>();

    CombMap map1(DoubleMap(), DoubleMap());

    CombMap map2 = combineMap(DoubleMap(), DoubleMap(), std::plus<double>());

    check(combineMap(constMap<B,int,2>(), identityMap<B>(), &binc)[B()] == 3,

          "Something is wrong with CombineMap");

  }

  // FunctorToMap, MapToFunctor

  {

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

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

    FunctorToMap<F> map1;

    FunctorToMap<F> map2(F());

    B b = functorToMap(F())[A()];

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

    MapToFunctor<ReadMap<A,B> > map(ReadMap<A,B>());

    check(functorToMap(&func)[A()] == 3, "Something is wrong with FunctorToMap");

    check(mapToFunctor(constMap<A,int>(2))(A()) == 2, "Something is wrong with MapToFunctor");

    check(mapToFunctor(functorToMap(&func))(A()) == 3 && mapToFunctor(functorToMap(&func))[A()] == 3,

          "Something is wrong with FunctorToMap or MapToFunctor");

    check(functorToMap(mapToFunctor(constMap<A,int>(2)))[A()] == 2,

          "Something is wrong with FunctorToMap or MapToFunctor");

  }

  // ConvertMap

  {

    checkConcept<ReadMap<double,double>, ConvertMap<ReadMap<double, int>, double> >();

    ConvertMap<RangeMap<bool>, int> map1(rangeMap(1, true));

    ConvertMap<RangeMap<bool>, int> map2 = convertMap<int>(rangeMap(2, false));

  }

  // ForkMap

  {

    checkConcept<DoubleWriteMap, ForkMap<DoubleWriteMap, DoubleWriteMap> >();

    typedef RangeMap<double> RM;

    typedef SparseMap<int, double> SM;

    RM m1(10, -1);

    SM m2(-1);

    checkConcept<ReadWriteMap<int, double>, ForkMap<RM, SM> >();

    checkConcept<ReadWriteMap<int, double>, ForkMap<SM, RM> >();

    ForkMap<RM, SM> map1(m1,m2);

    ForkMap<SM, RM> map2 = forkMap(m2,m1);

    map2.set(5, 10);

    check(m1[1] == -1 && m1[5] == 10 && m2[1] == -1 && m2[5] == 10 && map2[1] == -1 && map2[5] == 10,

          "Something is wrong with ForkMap");

  }

  // Arithmetic maps:

  // - AddMap, SubMap, MulMap, DivMap

  // - ShiftMap, ShiftWriteMap, ScaleMap, ScaleWriteMap

  // - NegMap, NegWriteMap, AbsMap

  {

    checkConcept<DoubleMap, AddMap<DoubleMap,DoubleMap> >();

    checkConcept<DoubleMap, SubMap<DoubleMap,DoubleMap> >();

    checkConcept<DoubleMap, MulMap<DoubleMap,DoubleMap> >();

    checkConcept<DoubleMap, DivMap<DoubleMap,DoubleMap> >();

    ConstMap<int, double> c1(1.0), c2(3.14);

    IdentityMap<int> im;

    ConvertMap<IdentityMap<int>, double> id(im);

    check(addMap(c1,id)[0] == 1.0  && addMap(c1,id)[10] == 11.0, "Something is wrong with AddMap");

    check(subMap(id,c1)[0] == -1.0 && subMap(id,c1)[10] == 9.0,  "Something is wrong with SubMap");

    check(mulMap(id,c2)[0] == 0    && mulMap(id,c2)[2]  == 6.28, "Something is wrong with MulMap");

    check(divMap(c2,id)[1] == 3.14 && divMap(c2,id)[2]  == 1.57, "Something is wrong with DivMap");

    checkConcept<DoubleMap, ShiftMap<DoubleMap> >();

    checkConcept<DoubleWriteMap, ShiftWriteMap<DoubleWriteMap> >();

    checkConcept<DoubleMap, ScaleMap<DoubleMap> >();

    checkConcept<DoubleWriteMap, ScaleWriteMap<DoubleWriteMap> >();

    checkConcept<DoubleMap, NegMap<DoubleMap> >();

    checkConcept<DoubleWriteMap, NegWriteMap<DoubleWriteMap> >();

    checkConcept<DoubleMap, AbsMap<DoubleMap> >();

    check(shiftMap(id, 2.0)[1] == 3.0 && shiftMap(id, 2.0)[10] == 12.0,

          "Something is wrong with ShiftMap");

    check(shiftWriteMap(id, 2.0)[1] == 3.0 && shiftWriteMap(id, 2.0)[10] == 12.0,

          "Something is wrong with ShiftWriteMap");

    check(scaleMap(id, 2.0)[1] == 2.0 && scaleMap(id, 2.0)[10] == 20.0,

          "Something is wrong with ScaleMap");

    check(scaleWriteMap(id, 2.0)[1] == 2.0 && scaleWriteMap(id, 2.0)[10] == 20.0,

          "Something is wrong with ScaleWriteMap");

    check(negMap(id)[1] == -1.0 && negMap(id)[-10] == 10.0,

          "Something is wrong with NegMap");

    check(negWriteMap(id)[1] == -1.0 && negWriteMap(id)[-10] == 10.0,

          "Something is wrong with NegWriteMap");

    check(absMap(id)[1] == 1.0 && absMap(id)[-10] == 10.0,

          "Something is wrong with AbsMap");

  }

  // Logical maps

  {

    checkConcept<BoolMap, NotMap<BoolMap> >();

    checkConcept<BoolWriteMap, NotWriteMap<BoolWriteMap> >();

    RangeMap<bool> rm(2);

    rm[0] = true; rm[1] = false;

    check(!(notMap(rm)[0]) && notMap(rm)[1], "Something is wrong with NotMap");

    check(!(notWriteMap(rm)[0]) && notWriteMap(rm)[1], "Something is wrong with NotWriteMap");

  }

  return 0;

}