From 66946fb53a53ba906d19fd56d5157e52b5be96a3 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Mon, 22 Jul 2013 23:55:08 +0000
Subject: [PATCH] Add a test that currently fails.

git-svn-id: https://svn.dealii.org/trunk@30120 0785d39b-7218-0410-832d-ea1e28bc413d
---
 tests/fe/face_to_cell_01.cc          | 54 ++++++++++++++++++++++++++++
 tests/fe/face_to_cell_01/cmp/generic |  3 ++
 2 files changed, 57 insertions(+)
 create mode 100644 tests/fe/face_to_cell_01.cc
 create mode 100644 tests/fe/face_to_cell_01/cmp/generic

diff --git a/tests/fe/face_to_cell_01.cc b/tests/fe/face_to_cell_01.cc
new file mode 100644
index 0000000000..d5bf6365f5
--- /dev/null
+++ b/tests/fe/face_to_cell_01.cc
@@ -0,0 +1,54 @@
+// ---------------------------------------------------------------------
+// $Id$
+//
+// Copyright (C) 1998 - 2013 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+// it turns out that FE_Q::face_to_cell_index() had a bug for elements beyond
+// Q2 when using the face flip flag. this test is for the 2d case
+
+
+#include "../tests.h"
+#include <iostream>
+#include <fstream>
+
+#include <deal.II/base/logstream.h>
+#include <deal.II/fe/fe_q.h>
+
+template<int dim>
+void test()
+{
+  FE_Q<dim> fe(3);
+  const unsigned int dofs_per_face = fe.dofs_per_face;
+
+  for (unsigned int i = 0; i < dofs_per_face; ++i)
+    deallog << fe.face_to_cell_index(i, 0, true, false, false) << " - ";
+  deallog << std::endl;
+  for (unsigned int i = 0; i < dofs_per_face; ++i)
+    deallog << fe.face_to_cell_index(i, 0, true, true, false) << " - ";
+  deallog << std::endl;
+}
+
+int main()
+{
+  std::ofstream logfile("face_to_cell_01/output");
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+  deallog.threshold_double(1.e-10);
+
+  test<2>();
+}
+
+
+
diff --git a/tests/fe/face_to_cell_01/cmp/generic b/tests/fe/face_to_cell_01/cmp/generic
new file mode 100644
index 0000000000..af7817b8d7
--- /dev/null
+++ b/tests/fe/face_to_cell_01/cmp/generic
@@ -0,0 +1,3 @@
+
+DEAL::0 - 2 - 4 - 5 - 
+DEAL::2 - 0 - 5 - 4 - 
-- 
2.39.5