test/maps_test.cc
changeset 827 580af8cf2f6a
parent 771 d8073df341f6
parent 742 8dae88c5943e
child 836 8ddb7deabab9
     1.1 --- a/test/maps_test.cc	Thu Nov 05 10:01:02 2009 +0100
     1.2 +++ b/test/maps_test.cc	Thu Nov 05 10:23:16 2009 +0100
     1.3 @@ -23,6 +23,9 @@
     1.4  #include <lemon/concepts/maps.h>
     1.5  #include <lemon/maps.h>
     1.6  #include <lemon/list_graph.h>
     1.7 +#include <lemon/smart_graph.h>
     1.8 +#include <lemon/adaptors.h>
     1.9 +#include <lemon/dfs.h>
    1.10  
    1.11  #include "test_tools.h"
    1.12  
    1.13 @@ -61,6 +64,12 @@
    1.14  typedef ReadWriteMap<A, bool> BoolWriteMap;
    1.15  typedef ReferenceMap<A, bool, bool&, const bool&> BoolRefMap;
    1.16  
    1.17 +template<typename Map1, typename Map2, typename ItemIt>
    1.18 +void compareMap(const Map1& map1, const Map2& map2, ItemIt it) {
    1.19 +  for (; it != INVALID; ++it)
    1.20 +    check(map1[it] == map2[it], "The maps are not equal");
    1.21 +}
    1.22 +
    1.23  int main()
    1.24  {
    1.25    // Map concepts
    1.26 @@ -329,6 +338,10 @@
    1.27    // LoggerBoolMap
    1.28    {
    1.29      typedef std::vector<int> vec;
    1.30 +    checkConcept<WriteMap<int, bool>, LoggerBoolMap<vec::iterator> >();
    1.31 +    checkConcept<WriteMap<int, bool>,
    1.32 +                 LoggerBoolMap<std::back_insert_iterator<vec> > >();
    1.33 +
    1.34      vec v1;
    1.35      vec v2(10);
    1.36      LoggerBoolMap<std::back_insert_iterator<vec> >
    1.37 @@ -348,6 +361,155 @@
    1.38      for ( LoggerBoolMap<vec::iterator>::Iterator it = map2.begin();
    1.39            it != map2.end(); ++it )
    1.40        check(v1[i++] == *it, "Something is wrong with LoggerBoolMap");
    1.41 +    
    1.42 +    typedef ListDigraph Graph;
    1.43 +    DIGRAPH_TYPEDEFS(Graph);
    1.44 +    Graph gr;
    1.45 +
    1.46 +    Node n0 = gr.addNode();
    1.47 +    Node n1 = gr.addNode();
    1.48 +    Node n2 = gr.addNode();
    1.49 +    Node n3 = gr.addNode();
    1.50 +    
    1.51 +    gr.addArc(n3, n0);
    1.52 +    gr.addArc(n3, n2);
    1.53 +    gr.addArc(n0, n2);
    1.54 +    gr.addArc(n2, n1);
    1.55 +    gr.addArc(n0, n1);
    1.56 +    
    1.57 +    {
    1.58 +      std::vector<Node> v;
    1.59 +      dfs(gr).processedMap(loggerBoolMap(std::back_inserter(v))).run();
    1.60 +
    1.61 +      check(v.size()==4 && v[0]==n1 && v[1]==n2 && v[2]==n0 && v[3]==n3,
    1.62 +            "Something is wrong with LoggerBoolMap");
    1.63 +    }
    1.64 +    {
    1.65 +      std::vector<Node> v(countNodes(gr));
    1.66 +      dfs(gr).processedMap(loggerBoolMap(v.begin())).run();
    1.67 +      
    1.68 +      check(v.size()==4 && v[0]==n1 && v[1]==n2 && v[2]==n0 && v[3]==n3,
    1.69 +            "Something is wrong with LoggerBoolMap");
    1.70 +    }
    1.71 +  }
    1.72 +  
    1.73 +  // IdMap, RangeIdMap
    1.74 +  {
    1.75 +    typedef ListDigraph Graph;
    1.76 +    DIGRAPH_TYPEDEFS(Graph);
    1.77 +
    1.78 +    checkConcept<ReadMap<Node, int>, IdMap<Graph, Node> >();
    1.79 +    checkConcept<ReadMap<Arc, int>, IdMap<Graph, Arc> >();
    1.80 +    checkConcept<ReadMap<Node, int>, RangeIdMap<Graph, Node> >();
    1.81 +    checkConcept<ReadMap<Arc, int>, RangeIdMap<Graph, Arc> >();
    1.82 +    
    1.83 +    Graph gr;
    1.84 +    IdMap<Graph, Node> nmap(gr);
    1.85 +    IdMap<Graph, Arc> amap(gr);
    1.86 +    RangeIdMap<Graph, Node> nrmap(gr);
    1.87 +    RangeIdMap<Graph, Arc> armap(gr);
    1.88 +    
    1.89 +    Node n0 = gr.addNode();
    1.90 +    Node n1 = gr.addNode();
    1.91 +    Node n2 = gr.addNode();
    1.92 +    
    1.93 +    Arc a0 = gr.addArc(n0, n1);
    1.94 +    Arc a1 = gr.addArc(n0, n2);
    1.95 +    Arc a2 = gr.addArc(n2, n1);
    1.96 +    Arc a3 = gr.addArc(n2, n0);
    1.97 +    
    1.98 +    check(nmap[n0] == gr.id(n0) && nmap(gr.id(n0)) == n0, "Wrong IdMap");
    1.99 +    check(nmap[n1] == gr.id(n1) && nmap(gr.id(n1)) == n1, "Wrong IdMap");
   1.100 +    check(nmap[n2] == gr.id(n2) && nmap(gr.id(n2)) == n2, "Wrong IdMap");
   1.101 +
   1.102 +    check(amap[a0] == gr.id(a0) && amap(gr.id(a0)) == a0, "Wrong IdMap");
   1.103 +    check(amap[a1] == gr.id(a1) && amap(gr.id(a1)) == a1, "Wrong IdMap");
   1.104 +    check(amap[a2] == gr.id(a2) && amap(gr.id(a2)) == a2, "Wrong IdMap");
   1.105 +    check(amap[a3] == gr.id(a3) && amap(gr.id(a3)) == a3, "Wrong IdMap");
   1.106 +
   1.107 +    check(nmap.inverse()[gr.id(n0)] == n0, "Wrong IdMap::InverseMap");
   1.108 +    check(amap.inverse()[gr.id(a0)] == a0, "Wrong IdMap::InverseMap");
   1.109 +    
   1.110 +    check(nrmap.size() == 3 && armap.size() == 4,
   1.111 +          "Wrong RangeIdMap::size()");
   1.112 +
   1.113 +    check(nrmap[n0] == 0 && nrmap(0) == n0, "Wrong RangeIdMap");
   1.114 +    check(nrmap[n1] == 1 && nrmap(1) == n1, "Wrong RangeIdMap");
   1.115 +    check(nrmap[n2] == 2 && nrmap(2) == n2, "Wrong RangeIdMap");
   1.116 +    
   1.117 +    check(armap[a0] == 0 && armap(0) == a0, "Wrong RangeIdMap");
   1.118 +    check(armap[a1] == 1 && armap(1) == a1, "Wrong RangeIdMap");
   1.119 +    check(armap[a2] == 2 && armap(2) == a2, "Wrong RangeIdMap");
   1.120 +    check(armap[a3] == 3 && armap(3) == a3, "Wrong RangeIdMap");
   1.121 +
   1.122 +    check(nrmap.inverse()[0] == n0, "Wrong RangeIdMap::InverseMap");
   1.123 +    check(armap.inverse()[0] == a0, "Wrong RangeIdMap::InverseMap");
   1.124 +    
   1.125 +    gr.erase(n1);
   1.126 +    
   1.127 +    if (nrmap[n0] == 1) nrmap.swap(n0, n2);
   1.128 +    nrmap.swap(n2, n0);
   1.129 +    if (armap[a1] == 1) armap.swap(a1, a3);
   1.130 +    armap.swap(a3, a1);
   1.131 +    
   1.132 +    check(nrmap.size() == 2 && armap.size() == 2,
   1.133 +          "Wrong RangeIdMap::size()");
   1.134 +
   1.135 +    check(nrmap[n0] == 1 && nrmap(1) == n0, "Wrong RangeIdMap");
   1.136 +    check(nrmap[n2] == 0 && nrmap(0) == n2, "Wrong RangeIdMap");
   1.137 +    
   1.138 +    check(armap[a1] == 1 && armap(1) == a1, "Wrong RangeIdMap");
   1.139 +    check(armap[a3] == 0 && armap(0) == a3, "Wrong RangeIdMap");
   1.140 +
   1.141 +    check(nrmap.inverse()[0] == n2, "Wrong RangeIdMap::InverseMap");
   1.142 +    check(armap.inverse()[0] == a3, "Wrong RangeIdMap::InverseMap");
   1.143 +  }
   1.144 +  
   1.145 +  // SourceMap, TargetMap, ForwardMap, BackwardMap, InDegMap, OutDegMap
   1.146 +  {
   1.147 +    typedef ListGraph Graph;
   1.148 +    GRAPH_TYPEDEFS(Graph);
   1.149 +    
   1.150 +    checkConcept<ReadMap<Arc, Node>, SourceMap<Graph> >();
   1.151 +    checkConcept<ReadMap<Arc, Node>, TargetMap<Graph> >();
   1.152 +    checkConcept<ReadMap<Edge, Arc>, ForwardMap<Graph> >();
   1.153 +    checkConcept<ReadMap<Edge, Arc>, BackwardMap<Graph> >();
   1.154 +    checkConcept<ReadMap<Node, int>, InDegMap<Graph> >();
   1.155 +    checkConcept<ReadMap<Node, int>, OutDegMap<Graph> >();
   1.156 +
   1.157 +    Graph gr;
   1.158 +    Node n0 = gr.addNode();
   1.159 +    Node n1 = gr.addNode();
   1.160 +    Node n2 = gr.addNode();
   1.161 +    
   1.162 +    gr.addEdge(n0,n1);
   1.163 +    gr.addEdge(n1,n2);
   1.164 +    gr.addEdge(n0,n2);
   1.165 +    gr.addEdge(n2,n1);
   1.166 +    gr.addEdge(n1,n2);
   1.167 +    gr.addEdge(n0,n1);
   1.168 +    
   1.169 +    for (EdgeIt e(gr); e != INVALID; ++e) {
   1.170 +      check(forwardMap(gr)[e] == gr.direct(e, true), "Wrong ForwardMap");
   1.171 +      check(backwardMap(gr)[e] == gr.direct(e, false), "Wrong BackwardMap");
   1.172 +    }
   1.173 +    
   1.174 +    compareMap(sourceMap(orienter(gr, constMap<Edge, bool>(true))),
   1.175 +               targetMap(orienter(gr, constMap<Edge, bool>(false))),
   1.176 +               EdgeIt(gr));
   1.177 +
   1.178 +    typedef Orienter<Graph, const ConstMap<Edge, bool> > Digraph;
   1.179 +    Digraph dgr(gr, constMap<Edge, bool>(true));
   1.180 +    OutDegMap<Digraph> odm(dgr);
   1.181 +    InDegMap<Digraph> idm(dgr);
   1.182 +    
   1.183 +    check(odm[n0] == 3 && odm[n1] == 2 && odm[n2] == 1, "Wrong OutDegMap");
   1.184 +    check(idm[n0] == 0 && idm[n1] == 3 && idm[n2] == 3, "Wrong InDegMap");
   1.185 +   
   1.186 +    gr.addEdge(n2, n0);
   1.187 +
   1.188 +    check(odm[n0] == 3 && odm[n1] == 2 && odm[n2] == 2, "Wrong OutDegMap");
   1.189 +    check(idm[n0] == 1 && idm[n1] == 3 && idm[n2] == 3, "Wrong InDegMap");
   1.190    }
   1.191    
   1.192    // CrossRefMap
   1.193 @@ -357,6 +519,73 @@
   1.194  
   1.195      checkConcept<ReadWriteMap<Node, int>,
   1.196                   CrossRefMap<Graph, Node, int> >();
   1.197 +    checkConcept<ReadWriteMap<Node, bool>,
   1.198 +                 CrossRefMap<Graph, Node, bool> >();
   1.199 +    checkConcept<ReadWriteMap<Node, double>,
   1.200 +                 CrossRefMap<Graph, Node, double> >();
   1.201 +    
   1.202 +    Graph gr;
   1.203 +    typedef CrossRefMap<Graph, Node, char> CRMap;
   1.204 +    CRMap map(gr);
   1.205 +    
   1.206 +    Node n0 = gr.addNode();
   1.207 +    Node n1 = gr.addNode();
   1.208 +    Node n2 = gr.addNode();
   1.209 +    
   1.210 +    map.set(n0, 'A');
   1.211 +    map.set(n1, 'B');
   1.212 +    map.set(n2, 'C');
   1.213 +    
   1.214 +    check(map[n0] == 'A' && map('A') == n0 && map.inverse()['A'] == n0,
   1.215 +          "Wrong CrossRefMap");
   1.216 +    check(map[n1] == 'B' && map('B') == n1 && map.inverse()['B'] == n1,
   1.217 +          "Wrong CrossRefMap");
   1.218 +    check(map[n2] == 'C' && map('C') == n2 && map.inverse()['C'] == n2,
   1.219 +          "Wrong CrossRefMap");
   1.220 +    check(map.count('A') == 1 && map.count('B') == 1 && map.count('C') == 1,
   1.221 +          "Wrong CrossRefMap::count()");
   1.222 +    
   1.223 +    CRMap::ValueIt it = map.beginValue();
   1.224 +    check(*it++ == 'A' && *it++ == 'B' && *it++ == 'C' &&
   1.225 +          it == map.endValue(), "Wrong value iterator");
   1.226 +    
   1.227 +    map.set(n2, 'A');
   1.228 +
   1.229 +    check(map[n0] == 'A' && map[n1] == 'B' && map[n2] == 'A',
   1.230 +          "Wrong CrossRefMap");
   1.231 +    check(map('A') == n0 && map.inverse()['A'] == n0, "Wrong CrossRefMap");
   1.232 +    check(map('B') == n1 && map.inverse()['B'] == n1, "Wrong CrossRefMap");
   1.233 +    check(map('C') == INVALID && map.inverse()['C'] == INVALID,
   1.234 +          "Wrong CrossRefMap");
   1.235 +    check(map.count('A') == 2 && map.count('B') == 1 && map.count('C') == 0,
   1.236 +          "Wrong CrossRefMap::count()");
   1.237 +
   1.238 +    it = map.beginValue();
   1.239 +    check(*it++ == 'A' && *it++ == 'A' && *it++ == 'B' &&
   1.240 +          it == map.endValue(), "Wrong value iterator");
   1.241 +
   1.242 +    map.set(n0, 'C');
   1.243 +
   1.244 +    check(map[n0] == 'C' && map[n1] == 'B' && map[n2] == 'A',
   1.245 +          "Wrong CrossRefMap");
   1.246 +    check(map('A') == n2 && map.inverse()['A'] == n2, "Wrong CrossRefMap");
   1.247 +    check(map('B') == n1 && map.inverse()['B'] == n1, "Wrong CrossRefMap");
   1.248 +    check(map('C') == n0 && map.inverse()['C'] == n0, "Wrong CrossRefMap");
   1.249 +    check(map.count('A') == 1 && map.count('B') == 1 && map.count('C') == 1,
   1.250 +          "Wrong CrossRefMap::count()");
   1.251 +
   1.252 +    it = map.beginValue();
   1.253 +    check(*it++ == 'A' && *it++ == 'B' && *it++ == 'C' &&
   1.254 +          it == map.endValue(), "Wrong value iterator");
   1.255 +  }
   1.256 +
   1.257 +  // CrossRefMap
   1.258 +  {
   1.259 +    typedef SmartDigraph Graph;
   1.260 +    DIGRAPH_TYPEDEFS(Graph);
   1.261 +
   1.262 +    checkConcept<ReadWriteMap<Node, int>,
   1.263 +                 CrossRefMap<Graph, Node, int> >();
   1.264      
   1.265      Graph gr;
   1.266      typedef CrossRefMap<Graph, Node, char> CRMap;
   1.267 @@ -383,6 +612,193 @@
   1.268      check(*it++ == 'A' && *it++ == 'B' && *it++ == 'C' &&
   1.269            it == map.endValue(), "Wrong value iterator");
   1.270    }
   1.271 +  
   1.272 +  // Iterable bool map
   1.273 +  {
   1.274 +    typedef SmartGraph Graph;
   1.275 +    typedef SmartGraph::Node Item;
   1.276  
   1.277 +    typedef IterableBoolMap<SmartGraph, SmartGraph::Node> Ibm;
   1.278 +    checkConcept<ReferenceMap<Item, bool, bool&, const bool&>, Ibm>();
   1.279 +
   1.280 +    const int num = 10;
   1.281 +    Graph g;
   1.282 +    std::vector<Item> items;
   1.283 +    for (int i = 0; i < num; ++i) {
   1.284 +      items.push_back(g.addNode());
   1.285 +    }
   1.286 +
   1.287 +    Ibm map1(g, true);
   1.288 +    int n = 0;
   1.289 +    for (Ibm::TrueIt it(map1); it != INVALID; ++it) {
   1.290 +      check(map1[static_cast<Item>(it)], "Wrong TrueIt");
   1.291 +      ++n;
   1.292 +    }
   1.293 +    check(n == num, "Wrong number");
   1.294 +
   1.295 +    n = 0;
   1.296 +    for (Ibm::ItemIt it(map1, true); it != INVALID; ++it) {
   1.297 +        check(map1[static_cast<Item>(it)], "Wrong ItemIt for true");
   1.298 +        ++n;
   1.299 +    }
   1.300 +    check(n == num, "Wrong number");
   1.301 +    check(Ibm::FalseIt(map1) == INVALID, "Wrong FalseIt");
   1.302 +    check(Ibm::ItemIt(map1, false) == INVALID, "Wrong ItemIt for false");
   1.303 +
   1.304 +    map1[items[5]] = true;
   1.305 +
   1.306 +    n = 0;
   1.307 +    for (Ibm::ItemIt it(map1, true); it != INVALID; ++it) {
   1.308 +        check(map1[static_cast<Item>(it)], "Wrong ItemIt for true");
   1.309 +        ++n;
   1.310 +    }
   1.311 +    check(n == num, "Wrong number");
   1.312 +
   1.313 +    map1[items[num / 2]] = false;
   1.314 +    check(map1[items[num / 2]] == false, "Wrong map value");
   1.315 +
   1.316 +    n = 0;
   1.317 +    for (Ibm::TrueIt it(map1); it != INVALID; ++it) {
   1.318 +        check(map1[static_cast<Item>(it)], "Wrong TrueIt for true");
   1.319 +        ++n;
   1.320 +    }
   1.321 +    check(n == num - 1, "Wrong number");
   1.322 +
   1.323 +    n = 0;
   1.324 +    for (Ibm::FalseIt it(map1); it != INVALID; ++it) {
   1.325 +        check(!map1[static_cast<Item>(it)], "Wrong FalseIt for true");
   1.326 +        ++n;
   1.327 +    }
   1.328 +    check(n == 1, "Wrong number");
   1.329 +
   1.330 +    map1[items[0]] = false;
   1.331 +    check(map1[items[0]] == false, "Wrong map value");
   1.332 +
   1.333 +    map1[items[num - 1]] = false;
   1.334 +    check(map1[items[num - 1]] == false, "Wrong map value");
   1.335 +
   1.336 +    n = 0;
   1.337 +    for (Ibm::TrueIt it(map1); it != INVALID; ++it) {
   1.338 +        check(map1[static_cast<Item>(it)], "Wrong TrueIt for true");
   1.339 +        ++n;
   1.340 +    }
   1.341 +    check(n == num - 3, "Wrong number");
   1.342 +    check(map1.trueNum() == num - 3, "Wrong number");
   1.343 +
   1.344 +    n = 0;
   1.345 +    for (Ibm::FalseIt it(map1); it != INVALID; ++it) {
   1.346 +        check(!map1[static_cast<Item>(it)], "Wrong FalseIt for true");
   1.347 +        ++n;
   1.348 +    }
   1.349 +    check(n == 3, "Wrong number");
   1.350 +    check(map1.falseNum() == 3, "Wrong number");
   1.351 +  }
   1.352 +
   1.353 +  // Iterable int map
   1.354 +  {
   1.355 +    typedef SmartGraph Graph;
   1.356 +    typedef SmartGraph::Node Item;
   1.357 +    typedef IterableIntMap<SmartGraph, SmartGraph::Node> Iim;
   1.358 +
   1.359 +    checkConcept<ReferenceMap<Item, int, int&, const int&>, Iim>();
   1.360 +
   1.361 +    const int num = 10;
   1.362 +    Graph g;
   1.363 +    std::vector<Item> items;
   1.364 +    for (int i = 0; i < num; ++i) {
   1.365 +      items.push_back(g.addNode());
   1.366 +    }
   1.367 +
   1.368 +    Iim map1(g);
   1.369 +    check(map1.size() == 0, "Wrong size");
   1.370 +
   1.371 +    for (int i = 0; i < num; ++i) {
   1.372 +      map1[items[i]] = i;
   1.373 +    }
   1.374 +    check(map1.size() == num, "Wrong size");
   1.375 +
   1.376 +    for (int i = 0; i < num; ++i) {
   1.377 +      Iim::ItemIt it(map1, i);
   1.378 +      check(static_cast<Item>(it) == items[i], "Wrong value");
   1.379 +      ++it;
   1.380 +      check(static_cast<Item>(it) == INVALID, "Wrong value");
   1.381 +    }
   1.382 +
   1.383 +    for (int i = 0; i < num; ++i) {
   1.384 +      map1[items[i]] = i % 2;
   1.385 +    }
   1.386 +    check(map1.size() == 2, "Wrong size");
   1.387 +
   1.388 +    int n = 0;
   1.389 +    for (Iim::ItemIt it(map1, 0); it != INVALID; ++it) {
   1.390 +      check(map1[static_cast<Item>(it)] == 0, "Wrong value");
   1.391 +      ++n;
   1.392 +    }
   1.393 +    check(n == (num + 1) / 2, "Wrong number");
   1.394 +
   1.395 +    for (Iim::ItemIt it(map1, 1); it != INVALID; ++it) {
   1.396 +      check(map1[static_cast<Item>(it)] == 1, "Wrong value");
   1.397 +      ++n;
   1.398 +    }
   1.399 +    check(n == num, "Wrong number");
   1.400 +
   1.401 +  }
   1.402 +
   1.403 +  // Iterable value map
   1.404 +  {
   1.405 +    typedef SmartGraph Graph;
   1.406 +    typedef SmartGraph::Node Item;
   1.407 +    typedef IterableValueMap<SmartGraph, SmartGraph::Node, double> Ivm;
   1.408 +
   1.409 +    checkConcept<ReadWriteMap<Item, double>, Ivm>();
   1.410 +
   1.411 +    const int num = 10;
   1.412 +    Graph g;
   1.413 +    std::vector<Item> items;
   1.414 +    for (int i = 0; i < num; ++i) {
   1.415 +      items.push_back(g.addNode());
   1.416 +    }
   1.417 +
   1.418 +    Ivm map1(g, 0.0);
   1.419 +    check(distance(map1.beginValue(), map1.endValue()) == 1, "Wrong size");
   1.420 +    check(*map1.beginValue() == 0.0, "Wrong value");
   1.421 +
   1.422 +    for (int i = 0; i < num; ++i) {
   1.423 +      map1.set(items[i], static_cast<double>(i));
   1.424 +    }
   1.425 +    check(distance(map1.beginValue(), map1.endValue()) == num, "Wrong size");
   1.426 +
   1.427 +    for (int i = 0; i < num; ++i) {
   1.428 +      Ivm::ItemIt it(map1, static_cast<double>(i));
   1.429 +      check(static_cast<Item>(it) == items[i], "Wrong value");
   1.430 +      ++it;
   1.431 +      check(static_cast<Item>(it) == INVALID, "Wrong value");
   1.432 +    }
   1.433 +
   1.434 +    for (Ivm::ValueIt vit = map1.beginValue();
   1.435 +         vit != map1.endValue(); ++vit) {
   1.436 +      check(map1[static_cast<Item>(Ivm::ItemIt(map1, *vit))] == *vit,
   1.437 +            "Wrong ValueIt");
   1.438 +    }
   1.439 +
   1.440 +    for (int i = 0; i < num; ++i) {
   1.441 +      map1.set(items[i], static_cast<double>(i % 2));
   1.442 +    }
   1.443 +    check(distance(map1.beginValue(), map1.endValue()) == 2, "Wrong size");
   1.444 +
   1.445 +    int n = 0;
   1.446 +    for (Ivm::ItemIt it(map1, 0.0); it != INVALID; ++it) {
   1.447 +      check(map1[static_cast<Item>(it)] == 0.0, "Wrong value");
   1.448 +      ++n;
   1.449 +    }
   1.450 +    check(n == (num + 1) / 2, "Wrong number");
   1.451 +
   1.452 +    for (Ivm::ItemIt it(map1, 1.0); it != INVALID; ++it) {
   1.453 +      check(map1[static_cast<Item>(it)] == 1.0, "Wrong value");
   1.454 +      ++n;
   1.455 +    }
   1.456 +    check(n == num, "Wrong number");
   1.457 +
   1.458 +  }
   1.459    return 0;
   1.460  }