[test][gridgeom] test isBound()/element() in local views

test/discretization/box/test_boxfvgeometry.cc

@@ -81,7 +81,16 @@ int main (int argc, char *argv[])
         auto eIdx = gridGeometry.elementMapper().index(element);
         std::cout << std::endl << "Checking fvGeometry of element " << eIdx << std::endl;
         auto fvGeometry = localView(gridGeometry);
+
+        // bind the local view to the element
+        if (fvGeometry.isBound()) DUNE_THROW(Dune::Exception, "Local view should not be bound at this point");
         fvGeometry.bind(element);
+        if (!fvGeometry.isBound()) DUNE_THROW(Dune::Exception, "Local view should be bound at this point");
+
+        // make sure the bound element fits
+        auto eIdxBound = gridGeometry.elementMapper().index(fvGeometry.element());
+        if (eIdx != eIdxBound)
+            DUNE_THROW(Dune::Exception, "Bound element index does not match");
 
         auto range = scvs(fvGeometry);
         Detail::NoopFunctor<SubControlVolume> op;

test/discretization/cellcentered/tpfa/test_tpfafvgeometry.cc

@@ -82,7 +82,16 @@ int main (int argc, char *argv[])
         auto eIdx = gridGeometry.elementMapper().index(element);
         std::cout << std::endl << "Checking fvGeometry of element " << eIdx << std::endl;
         auto fvGeometry = localView(gridGeometry);
+
+        // bind the local view to the element
+        if (fvGeometry.isBound()) DUNE_THROW(Dune::Exception, "Local view should not be bound at this point");
         fvGeometry.bind(element);
+        if (!fvGeometry.isBound()) DUNE_THROW(Dune::Exception, "Local view should be bound at this point");
+
+        // make sure the bound element fits
+        auto eIdxBound = gridGeometry.elementMapper().index(fvGeometry.element());
+        if (eIdx != eIdxBound)
+            DUNE_THROW(Dune::Exception, "Bound element index does not match");
 
         auto range = scvs(fvGeometry);
         Detail::NoopFunctor<SubControlVolume> op;

test/discretization/staggered/test_staggeredfvgeometry.cc

@@ -132,8 +132,21 @@ int main (int argc, char *argv[])
         auto eIdx = gridGeometry.elementMapper().index(element);
         std::cout << std::endl << "Checking fvGeometry of element " << eIdx << std::endl;
         auto fvGeometry = localView(gridGeometry);
+
+        // bind the local view to the element
+        if (fvGeometry.isBound())
+            DUNE_THROW(Dune::Exception, "Local view should not be bound at this point");
+
         fvGeometry.bind(element);
 
+        if (!fvGeometry.isBound())
+            DUNE_THROW(Dune::Exception, "Local view should be bound at this point");
+
+        // make sure the bound element fits
+        auto eIdxBound = gridGeometry.elementMapper().index(fvGeometry.element());
+        if (eIdx != eIdxBound)
+            DUNE_THROW(Dune::Exception, "Bound element index does not match");
+
         auto range = scvs(fvGeometry);
         Detail::NoopFunctor<SubControlVolume> op;
         if(0 != testForwardIterator(range.begin(), range.end(), op))