From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 21 Jan 2021 18:53:07 +0000 (-0700)
Subject: Add an assertion.
X-Git-Tag: v9.3.0-rc1~583^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76c3ff69b5cf4aeda6a26820b512de7bfccd23d6;p=dealii.git

Add an assertion.
---

diff --git a/source/grid/reference_cell.cc b/source/grid/reference_cell.cc
index f9b9fecb15..b0af4ec88f 100644
--- a/source/grid/reference_cell.cc
+++ b/source/grid/reference_cell.cc
@@ -38,6 +38,11 @@ namespace ReferenceCell
     dealii::ReferenceCell::Type
     make_reference_cell_from_int(const std::uint8_t kind)
     {
+      // Make sure these are the only indices from which objects can be
+      // created.
+      Assert((kind == static_cast<std::uint8_t>(-1)) || (kind < 8),
+             ExcInternalError());
+
       // Call the private constructor, which we can from here because this
       // function is a 'friend'.
       return dealii::ReferenceCell::Type(kind);