Add some consistency checks to a function.

diff --git a/source/distributed/shared_tria.cc b/source/distributed/shared_tria.cc
index eab717bdd853bbe629c6b22c0d8fb269f374ad2f..154ebb865b3053a553846dcdf9f5acbded1aff90 100644 (file)
--- a/source/distributed/shared_tria.cc
+++ b/source/distributed/shared_tria.cc
@@ -333,6 +333,11 @@ namespace parallel
     Triangulation<dim, spacedim>::get_true_level_subdomain_ids_of_cells(
       const unsigned int level) const
     {
+      Assert(level < true_level_subdomain_ids_of_cells.size(),
+             ExcInternalError());
+      Assert(true_level_subdomain_ids_of_cells[level].size() ==
+               this->n_cells(level),
+             ExcInternalError());
       return true_level_subdomain_ids_of_cells[level];
     }