From aca068d7fb31a088c4d446165a13eccbfc08bbdc Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Wed, 28 Aug 2024 14:21:42 -0400
Subject: [PATCH] add test for simplex smoothing flags

---
 tests/simplex/smoothing_01.cc     | 47 +++++++++++++++++++++++++++++++
 tests/simplex/smoothing_01.output |  3 ++
 2 files changed, 50 insertions(+)
 create mode 100644 tests/simplex/smoothing_01.cc
 create mode 100644 tests/simplex/smoothing_01.output

diff --git a/tests/simplex/smoothing_01.cc b/tests/simplex/smoothing_01.cc
new file mode 100644
index 0000000000..8e8a45619f
--- /dev/null
+++ b/tests/simplex/smoothing_01.cc
@@ -0,0 +1,47 @@
+// ------------------------------------------------------------------------
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+// Copyright (C) 2020 - 2024 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// Part of the source code is dual licensed under Apache-2.0 WITH
+// LLVM-exception OR LGPL-2.1-or-later. Detailed license information
+// governing the source code and code contributions can be found in
+// LICENSE.md and CONTRIBUTING.md at the top level directory of deal.II.
+//
+// ------------------------------------------------------------------------
+
+// Check mesh smoothing for a simplex mesh
+
+#include <deal.II/dofs/dof_handler.h>
+
+#include <deal.II/fe/fe_simplex_p.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria.h>
+
+#include "../tests.h"
+
+
+template <int dim>
+void
+test()
+{
+  Triangulation<dim> tria(Triangulation<dim>::maximum_smoothing);
+  Triangulation<dim> hex_tria;
+  GridGenerator::hyper_cube(hex_tria);
+  hex_tria.refine_global(3);
+  GridGenerator::convert_hypercube_to_simplex_mesh(hex_tria, tria);
+  tria.refine_global();
+  deallog << "cells: " << tria.n_active_cells() << std::endl;
+  deallog << "OK" << std::endl;
+}
+
+int
+main()
+{
+  initlog();
+
+  test<2>();
+}
diff --git a/tests/simplex/smoothing_01.output b/tests/simplex/smoothing_01.output
new file mode 100644
index 0000000000..296a1c0bbe
--- /dev/null
+++ b/tests/simplex/smoothing_01.output
@@ -0,0 +1,3 @@
+
+DEAL::cells: 2048
+DEAL::OK
-- 
2.39.5