test/maps_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Sun, 11 Aug 2013 12:53:30 +0200
branch1.1
changeset 815 eaed91c09e0f
parent 793 8d2e55fac752
parent 807 3e711ee55d31
permissions -rw-r--r--
Release series 1.1.x has reached its end of life.
     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
     2  *
     3  * This file is a part of LEMON, a generic C++ optimization library.
     4  *
     5  * Copyright (C) 2003-2011
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     8  *
     9  * Permission to use, modify and distribute this software is granted
    10  * provided that this copyright notice appears in all copies. For
    11  * precise terms see the accompanying LICENSE file.
    12  *
    13  * This software is provided "AS IS" with no warranty of any kind,
    14  * express or implied, and with no claim as to its suitability for any
    15  * purpose.
    16  *
    17  */
    18 
    19 #include <deque>
    20 #include <set>
    21 
    22 #include <lemon/concept_check.h>
    23 #include <lemon/concepts/maps.h>
    24 #include <lemon/maps.h>
    25 #include <lemon/list_graph.h>
    26 
    27 #include "test_tools.h"
    28 
    29 using namespace lemon;
    30 using namespace lemon::concepts;
    31 
    32 struct A {};
    33 inline bool operator<(A, A) { return true; }
    34 struct B {};
    35 
    36 class C {
    37   int x;
    38 public:
    39   C(int _x) : x(_x) {}
    40 };
    41 
    42 class F {
    43 public:
    44   typedef A argument_type;
    45   typedef B result_type;
    46 
    47   B operator()(const A&) const { return B(); }
    48 private:
    49   F& operator=(const F&);
    50 };
    51 
    52 int func(A) { return 3; }
    53 
    54 int binc(int a, B) { return a+1; }
    55 
    56 typedef ReadMap<A, double> DoubleMap;
    57 typedef ReadWriteMap<A, double> DoubleWriteMap;
    58 typedef ReferenceMap<A, double, double&, const double&> DoubleRefMap;
    59 
    60 typedef ReadMap<A, bool> BoolMap;
    61 typedef ReadWriteMap<A, bool> BoolWriteMap;
    62 typedef ReferenceMap<A, bool, bool&, const bool&> BoolRefMap;
    63 
    64 int main()
    65 {
    66   // Map concepts
    67   checkConcept<ReadMap<A,B>, ReadMap<A,B> >();
    68   checkConcept<ReadMap<A,C>, ReadMap<A,C> >();
    69   checkConcept<WriteMap<A,B>, WriteMap<A,B> >();
    70   checkConcept<WriteMap<A,C>, WriteMap<A,C> >();
    71   checkConcept<ReadWriteMap<A,B>, ReadWriteMap<A,B> >();
    72   checkConcept<ReadWriteMap<A,C>, ReadWriteMap<A,C> >();
    73   checkConcept<ReferenceMap<A,B,B&,const B&>,
    74                ReferenceMap<A,B,B&,const B&> >();
    75   checkConcept<ReferenceMap<A,C,C&,const C&>,
    76                ReferenceMap<A,C,C&,const C&> >();
    77 
    78   // NullMap
    79   {
    80     checkConcept<ReadWriteMap<A,B>, NullMap<A,B> >();
    81     NullMap<A,B> map1;
    82     NullMap<A,B> map2 = map1;
    83     ::lemon::ignore_unused_variable_warning(map2);
    84     map1 = nullMap<A,B>();
    85   }
    86 
    87   // ConstMap
    88   {
    89     checkConcept<ReadWriteMap<A,B>, ConstMap<A,B> >();
    90     checkConcept<ReadWriteMap<A,C>, ConstMap<A,C> >();
    91     ConstMap<A,B> map1;
    92     ConstMap<A,B> map2 = B();
    93     ConstMap<A,B> map3 = map1;
    94     ::lemon::ignore_unused_variable_warning(map2,map3);
    95 
    96     map1 = constMap<A>(B());
    97     map1 = constMap<A,B>();
    98     map1.setAll(B());
    99     ConstMap<A,C> map4(C(1));
   100     ConstMap<A,C> map5 = map4;
   101     ::lemon::ignore_unused_variable_warning(map5);
   102 
   103     map4 = constMap<A>(C(2));
   104     map4.setAll(C(3));
   105 
   106     checkConcept<ReadWriteMap<A,int>, ConstMap<A,int> >();
   107     check(constMap<A>(10)[A()] == 10, "Something is wrong with ConstMap");
   108 
   109     checkConcept<ReadWriteMap<A,int>, ConstMap<A,Const<int,10> > >();
   110     ConstMap<A,Const<int,10> > map6;
   111     ConstMap<A,Const<int,10> > map7 = map6;
   112     map6 = constMap<A,int,10>();
   113     map7 = constMap<A,Const<int,10> >();
   114     check(map6[A()] == 10 && map7[A()] == 10,
   115           "Something is wrong with ConstMap");
   116   }
   117 
   118   // IdentityMap
   119   {
   120     checkConcept<ReadMap<A,A>, IdentityMap<A> >();
   121     IdentityMap<A> map1;
   122     IdentityMap<A> map2 = map1;
   123     ::lemon::ignore_unused_variable_warning(map2);
   124 
   125     map1 = identityMap<A>();
   126 
   127     checkConcept<ReadMap<double,double>, IdentityMap<double> >();
   128     check(identityMap<double>()[1.0] == 1.0 &&
   129           identityMap<double>()[3.14] == 3.14,
   130           "Something is wrong with IdentityMap");
   131   }
   132 
   133   // RangeMap
   134   {
   135     checkConcept<ReferenceMap<int,B,B&,const B&>, RangeMap<B> >();
   136     RangeMap<B> map1;
   137     RangeMap<B> map2(10);
   138     RangeMap<B> map3(10,B());
   139     RangeMap<B> map4 = map1;
   140     RangeMap<B> map5 = rangeMap<B>();
   141     RangeMap<B> map6 = rangeMap<B>(10);
   142     RangeMap<B> map7 = rangeMap(10,B());
   143 
   144     checkConcept< ReferenceMap<int, double, double&, const double&>,
   145                   RangeMap<double> >();
   146     std::vector<double> v(10, 0);
   147     v[5] = 100;
   148     RangeMap<double> map8(v);
   149     RangeMap<double> map9 = rangeMap(v);
   150     check(map9.size() == 10 && map9[2] == 0 && map9[5] == 100,
   151           "Something is wrong with RangeMap");
   152   }
   153 
   154   // SparseMap
   155   {
   156     checkConcept<ReferenceMap<A,B,B&,const B&>, SparseMap<A,B> >();
   157     SparseMap<A,B> map1;
   158     SparseMap<A,B> map2 = B();
   159     SparseMap<A,B> map3 = sparseMap<A,B>();
   160     SparseMap<A,B> map4 = sparseMap<A>(B());
   161 
   162     checkConcept< ReferenceMap<double, int, int&, const int&>,
   163                   SparseMap<double, int> >();
   164     std::map<double, int> m;
   165     SparseMap<double, int> map5(m);
   166     SparseMap<double, int> map6(m,10);
   167     SparseMap<double, int> map7 = sparseMap(m);
   168     SparseMap<double, int> map8 = sparseMap(m,10);
   169 
   170     check(map5[1.0] == 0 && map5[3.14] == 0 &&
   171           map6[1.0] == 10 && map6[3.14] == 10,
   172           "Something is wrong with SparseMap");
   173     map5[1.0] = map6[3.14] = 100;
   174     check(map5[1.0] == 100 && map5[3.14] == 0 &&
   175           map6[1.0] == 10 && map6[3.14] == 100,
   176           "Something is wrong with SparseMap");
   177   }
   178 
   179   // ComposeMap
   180   {
   181     typedef ComposeMap<DoubleMap, ReadMap<B,A> > CompMap;
   182     checkConcept<ReadMap<B,double>, CompMap>();
   183     CompMap map1 = CompMap(DoubleMap(),ReadMap<B,A>());
   184     ::lemon::ignore_unused_variable_warning(map1);
   185     CompMap map2 = composeMap(DoubleMap(), ReadMap<B,A>());
   186     ::lemon::ignore_unused_variable_warning(map2);
   187 
   188     SparseMap<double, bool> m1(false); m1[3.14] = true;
   189     RangeMap<double> m2(2); m2[0] = 3.0; m2[1] = 3.14;
   190     check(!composeMap(m1,m2)[0] && composeMap(m1,m2)[1],
   191           "Something is wrong with ComposeMap")
   192   }
   193 
   194   // CombineMap
   195   {
   196     typedef CombineMap<DoubleMap, DoubleMap, std::plus<double> > CombMap;
   197     checkConcept<ReadMap<A,double>, CombMap>();
   198     CombMap map1 = CombMap(DoubleMap(), DoubleMap());
   199     ::lemon::ignore_unused_variable_warning(map1);
   200     CombMap map2 = combineMap(DoubleMap(), DoubleMap(), std::plus<double>());
   201     ::lemon::ignore_unused_variable_warning(map2);
   202 
   203     check(combineMap(constMap<B,int,2>(), identityMap<B>(), &binc)[B()] == 3,
   204           "Something is wrong with CombineMap");
   205   }
   206 
   207   // FunctorToMap, MapToFunctor
   208   {
   209     checkConcept<ReadMap<A,B>, FunctorToMap<F,A,B> >();
   210     checkConcept<ReadMap<A,B>, FunctorToMap<F> >();
   211     FunctorToMap<F> map1;
   212     FunctorToMap<F> map2 = FunctorToMap<F>(F());
   213     ::lemon::ignore_unused_variable_warning(map2);
   214 
   215     B b = functorToMap(F())[A()];
   216     ::lemon::ignore_unused_variable_warning(b);
   217 
   218     checkConcept<ReadMap<A,B>, MapToFunctor<ReadMap<A,B> > >();
   219     MapToFunctor<ReadMap<A,B> > map =
   220       MapToFunctor<ReadMap<A,B> >(ReadMap<A,B>());
   221     ::lemon::ignore_unused_variable_warning(map);
   222 
   223     check(functorToMap(&func)[A()] == 3,
   224           "Something is wrong with FunctorToMap");
   225     check(mapToFunctor(constMap<A,int>(2))(A()) == 2,
   226           "Something is wrong with MapToFunctor");
   227     check(mapToFunctor(functorToMap(&func))(A()) == 3 &&
   228           mapToFunctor(functorToMap(&func))[A()] == 3,
   229           "Something is wrong with FunctorToMap or MapToFunctor");
   230     check(functorToMap(mapToFunctor(constMap<A,int>(2)))[A()] == 2,
   231           "Something is wrong with FunctorToMap or MapToFunctor");
   232   }
   233 
   234   // ConvertMap
   235   {
   236     checkConcept<ReadMap<double,double>,
   237       ConvertMap<ReadMap<double, int>, double> >();
   238     ConvertMap<RangeMap<bool>, int> map1(rangeMap(1, true));
   239     ::lemon::ignore_unused_variable_warning(map1);
   240     ConvertMap<RangeMap<bool>, int> map2 = convertMap<int>(rangeMap(2, false));
   241     ::lemon::ignore_unused_variable_warning(map2);
   242 
   243   }
   244 
   245   // ForkMap
   246   {
   247     checkConcept<DoubleWriteMap, ForkMap<DoubleWriteMap, DoubleWriteMap> >();
   248 
   249     typedef RangeMap<double> RM;
   250     typedef SparseMap<int, double> SM;
   251     RM m1(10, -1);
   252     SM m2(-1);
   253     checkConcept<ReadWriteMap<int, double>, ForkMap<RM, SM> >();
   254     checkConcept<ReadWriteMap<int, double>, ForkMap<SM, RM> >();
   255     ForkMap<RM, SM> map1(m1,m2);
   256     ForkMap<SM, RM> map2 = forkMap(m2,m1);
   257     map2.set(5, 10);
   258     check(m1[1] == -1 && m1[5] == 10 && m2[1] == -1 &&
   259           m2[5] == 10 && map2[1] == -1 && map2[5] == 10,
   260           "Something is wrong with ForkMap");
   261   }
   262 
   263   // Arithmetic maps:
   264   // - AddMap, SubMap, MulMap, DivMap
   265   // - ShiftMap, ShiftWriteMap, ScaleMap, ScaleWriteMap
   266   // - NegMap, NegWriteMap, AbsMap
   267   {
   268     checkConcept<DoubleMap, AddMap<DoubleMap,DoubleMap> >();
   269     checkConcept<DoubleMap, SubMap<DoubleMap,DoubleMap> >();
   270     checkConcept<DoubleMap, MulMap<DoubleMap,DoubleMap> >();
   271     checkConcept<DoubleMap, DivMap<DoubleMap,DoubleMap> >();
   272 
   273     ConstMap<int, double> c1(1.0), c2(3.14);
   274     IdentityMap<int> im;
   275     ConvertMap<IdentityMap<int>, double> id(im);
   276     check(addMap(c1,id)[0] == 1.0  && addMap(c1,id)[10] == 11.0,
   277           "Something is wrong with AddMap");
   278     check(subMap(id,c1)[0] == -1.0 && subMap(id,c1)[10] == 9.0,
   279           "Something is wrong with SubMap");
   280     check(mulMap(id,c2)[0] == 0    && mulMap(id,c2)[2]  == 6.28,
   281           "Something is wrong with MulMap");
   282     check(divMap(c2,id)[1] == 3.14 && divMap(c2,id)[2]  == 1.57,
   283           "Something is wrong with DivMap");
   284 
   285     checkConcept<DoubleMap, ShiftMap<DoubleMap> >();
   286     checkConcept<DoubleWriteMap, ShiftWriteMap<DoubleWriteMap> >();
   287     checkConcept<DoubleMap, ScaleMap<DoubleMap> >();
   288     checkConcept<DoubleWriteMap, ScaleWriteMap<DoubleWriteMap> >();
   289     checkConcept<DoubleMap, NegMap<DoubleMap> >();
   290     checkConcept<DoubleWriteMap, NegWriteMap<DoubleWriteMap> >();
   291     checkConcept<DoubleMap, AbsMap<DoubleMap> >();
   292 
   293     check(shiftMap(id, 2.0)[1] == 3.0 && shiftMap(id, 2.0)[10] == 12.0,
   294           "Something is wrong with ShiftMap");
   295     check(shiftWriteMap(id, 2.0)[1] == 3.0 &&
   296           shiftWriteMap(id, 2.0)[10] == 12.0,
   297           "Something is wrong with ShiftWriteMap");
   298     check(scaleMap(id, 2.0)[1] == 2.0 && scaleMap(id, 2.0)[10] == 20.0,
   299           "Something is wrong with ScaleMap");
   300     check(scaleWriteMap(id, 2.0)[1] == 2.0 &&
   301           scaleWriteMap(id, 2.0)[10] == 20.0,
   302           "Something is wrong with ScaleWriteMap");
   303     check(negMap(id)[1] == -1.0 && negMap(id)[-10] == 10.0,
   304           "Something is wrong with NegMap");
   305     check(negWriteMap(id)[1] == -1.0 && negWriteMap(id)[-10] == 10.0,
   306           "Something is wrong with NegWriteMap");
   307     check(absMap(id)[1] == 1.0 && absMap(id)[-10] == 10.0,
   308           "Something is wrong with AbsMap");
   309   }
   310 
   311   // Logical maps:
   312   // - TrueMap, FalseMap
   313   // - AndMap, OrMap
   314   // - NotMap, NotWriteMap
   315   // - EqualMap, LessMap
   316   {
   317     checkConcept<BoolMap, TrueMap<A> >();
   318     checkConcept<BoolMap, FalseMap<A> >();
   319     checkConcept<BoolMap, AndMap<BoolMap,BoolMap> >();
   320     checkConcept<BoolMap, OrMap<BoolMap,BoolMap> >();
   321     checkConcept<BoolMap, NotMap<BoolMap> >();
   322     checkConcept<BoolWriteMap, NotWriteMap<BoolWriteMap> >();
   323     checkConcept<BoolMap, EqualMap<DoubleMap,DoubleMap> >();
   324     checkConcept<BoolMap, LessMap<DoubleMap,DoubleMap> >();
   325 
   326     TrueMap<int> tm;
   327     FalseMap<int> fm;
   328     RangeMap<bool> rm(2);
   329     rm[0] = true; rm[1] = false;
   330     check(andMap(tm,rm)[0] && !andMap(tm,rm)[1] &&
   331           !andMap(fm,rm)[0] && !andMap(fm,rm)[1],
   332           "Something is wrong with AndMap");
   333     check(orMap(tm,rm)[0] && orMap(tm,rm)[1] &&
   334           orMap(fm,rm)[0] && !orMap(fm,rm)[1],
   335           "Something is wrong with OrMap");
   336     check(!notMap(rm)[0] && notMap(rm)[1],
   337           "Something is wrong with NotMap");
   338     check(!notWriteMap(rm)[0] && notWriteMap(rm)[1],
   339           "Something is wrong with NotWriteMap");
   340 
   341     ConstMap<int, double> cm(2.0);
   342     IdentityMap<int> im;
   343     ConvertMap<IdentityMap<int>, double> id(im);
   344     check(lessMap(id,cm)[1] && !lessMap(id,cm)[2] && !lessMap(id,cm)[3],
   345           "Something is wrong with LessMap");
   346     check(!equalMap(id,cm)[1] && equalMap(id,cm)[2] && !equalMap(id,cm)[3],
   347           "Something is wrong with EqualMap");
   348   }
   349 
   350   // LoggerBoolMap
   351   {
   352     typedef std::vector<int> vec;
   353     vec v1;
   354     vec v2(10);
   355     LoggerBoolMap<std::back_insert_iterator<vec> >
   356       map1(std::back_inserter(v1));
   357     LoggerBoolMap<vec::iterator> map2(v2.begin());
   358     map1.set(10, false);
   359     map1.set(20, true);   map2.set(20, true);
   360     map1.set(30, false);  map2.set(40, false);
   361     map1.set(50, true);   map2.set(50, true);
   362     map1.set(60, true);   map2.set(60, true);
   363     check(v1.size() == 3 && v2.size() == 10 &&
   364           v1[0]==20 && v1[1]==50 && v1[2]==60 &&
   365           v2[0]==20 && v2[1]==50 && v2[2]==60,
   366           "Something is wrong with LoggerBoolMap");
   367 
   368     int i = 0;
   369     for ( LoggerBoolMap<vec::iterator>::Iterator it = map2.begin();
   370           it != map2.end(); ++it )
   371       check(v1[i++] == *it, "Something is wrong with LoggerBoolMap");
   372   }
   373 
   374   // CrossRefMap
   375   {
   376     typedef ListDigraph Graph;
   377     DIGRAPH_TYPEDEFS(Graph);
   378 
   379     checkConcept<ReadWriteMap<Node, int>,
   380                  CrossRefMap<Graph, Node, int> >();
   381 
   382     Graph gr;
   383     typedef CrossRefMap<Graph, Node, char> CRMap;
   384     typedef CRMap::ValueIterator ValueIt;
   385     CRMap map(gr);
   386 
   387     Node n0 = gr.addNode();
   388     Node n1 = gr.addNode();
   389     Node n2 = gr.addNode();
   390 
   391     map.set(n0, 'A');
   392     map.set(n1, 'B');
   393     map.set(n2, 'C');
   394     map.set(n2, 'A');
   395     map.set(n0, 'C');
   396 
   397     check(map[n0] == 'C' && map[n1] == 'B' && map[n2] == 'A',
   398           "Wrong CrossRefMap");
   399     check(map('A') == n2 && map.inverse()['A'] == n2, "Wrong CrossRefMap");
   400     check(map('B') == n1 && map.inverse()['B'] == n1, "Wrong CrossRefMap");
   401     check(map('C') == n0 && map.inverse()['C'] == n0, "Wrong CrossRefMap");
   402 
   403     ValueIt it = map.beginValue();
   404     check(*it++ == 'A' && *it++ == 'B' && *it++ == 'C' &&
   405           it == map.endValue(), "Wrong value iterator");
   406   }
   407 
   408   return 0;
   409 }