enable/disable checks according to capabilities

[[Imported from SVN: r3163]]

grid/test/checkindexset.cc

@@ -7,6 +7,7 @@
 #include <algorithm>
 
 #include <dune/common/fvector.hh>
+#include <dune/common/capabilities.hh>
 #include <dune/grid/common/referenceelements.hh>
 
 
@@ -29,8 +30,9 @@ namespace Dune {
     return comp;
   }
 
-  // check som functionality of grid
-  template <int codim, class GridType, class IndexSetType, class OutputStreamImp  >
+  // check some functionality of grid
+  template <int codim, class GridType,
+      class IndexSetType, class OutputStreamImp >
   void checkIndexSetForCodim ( const GridType &grid , const IndexSetType & lset,
                                OutputStreamImp & sout )
   {
@@ -287,21 +289,36 @@ namespace Dune {
   }
 
 
-  template <class GridType, class IndexSetType, class OutputStreamImp , int codim>
+  template <class GridType, class IndexSetType, class OutputStreamImp,
+      int codim, bool hasCodim>
   struct CheckIndexSet
   {
     static void checkIndexSet( const GridType &grid ,
                                const IndexSetType & iset, OutputStreamImp & sout )
     {
       checkIndexSetForCodim<codim> (grid,iset,sout);
-      CheckIndexSet<GridType,IndexSetType,OutputStreamImp,codim-1> ::
+      CheckIndexSet<GridType,IndexSetType,OutputStreamImp,
+          codim-1, Dune::Capabilities::hasEntity<GridType, codim-1>::v > ::
+      checkIndexSet( grid, iset, sout );
+    }
+  };
+
+  template <class GridType, class IndexSetType, class OutputStreamImp,
+      int codim>
+  struct CheckIndexSet<GridType,IndexSetType,OutputStreamImp,codim,false>
+  {
+    static void checkIndexSet( const GridType &grid ,
+                               const IndexSetType & iset, OutputStreamImp & sout )
+    {
+      CheckIndexSet<GridType,IndexSetType,OutputStreamImp,
+          codim-1, Dune::Capabilities::hasEntity<GridType, codim-1>::v > ::
       checkIndexSet( grid, iset, sout );
     }
   };
 
   // end loop over codim by specialisation
   template <class GridType, class IndexSetType, class OutputStreamImp>
-  struct CheckIndexSet<GridType,IndexSetType,OutputStreamImp,0>
+  struct CheckIndexSet<GridType,IndexSetType,OutputStreamImp,0,true>
   {
     static void checkIndexSet( const GridType &grid ,
                                const IndexSetType & iset, OutputStreamImp & sout )
@@ -314,7 +331,8 @@ namespace Dune {
   void checkIndexSet( const GridType &grid , const IndexSetType & iset,
                       OutputStreamImp & sout )
   {
-    CheckIndexSet<GridType,IndexSetType,OutputStreamImp,GridType::dimension> ::
+    CheckIndexSet<GridType,IndexSetType,OutputStreamImp,
+        GridType::dimension, true> ::
     checkIndexSet (grid,iset,sout);
   }