From 5025564fb1c79c85edad606fd1145b7789ad12ae Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Fri, 26 Jan 2018 18:17:32 -0700
Subject: [PATCH] Add test.

---
 tests/base/is_contiguous_pointers.cc     | 45 ++++++++++++++++++++++++
 tests/base/is_contiguous_pointers.output |  2 ++
 2 files changed, 47 insertions(+)
 create mode 100644 tests/base/is_contiguous_pointers.cc
 create mode 100644 tests/base/is_contiguous_pointers.output

diff --git a/tests/base/is_contiguous_pointers.cc b/tests/base/is_contiguous_pointers.cc
new file mode 100644
index 0000000000..b5e4af13fc
--- /dev/null
+++ b/tests/base/is_contiguous_pointers.cc
@@ -0,0 +1,45 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2017 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.
+//
+// ---------------------------------------------------------------------
+
+
+// test that is_contiguous works correctly for pointers
+
+#include "../tests.h"
+
+#include <deal.II/base/array_view.h>
+
+void test ()
+{
+  constexpr int *p = nullptr;
+  constexpr int *q = nullptr;
+
+  // the following code would fail if we tried to call the
+  // non-constexpr version of the function, so this really must be the
+  // pointer overload which we know always returns true
+  constexpr bool b = internal::ArrayViewHelper::is_contiguous (p, q);
+
+  Assert (b == true, ExcInternalError());
+
+  deallog << "OK" << std::endl;
+}
+
+
+int main()
+{
+  deal_II_exceptions::disable_abort_on_exception();
+  initlog();
+
+  test();
+}
diff --git a/tests/base/is_contiguous_pointers.output b/tests/base/is_contiguous_pointers.output
new file mode 100644
index 0000000000..0fd8fc12f0
--- /dev/null
+++ b/tests/base/is_contiguous_pointers.output
@@ -0,0 +1,2 @@
+
+DEAL::OK
-- 
2.39.5