Add a test.

diff --git a/tests/base/array_view_21.cc b/tests/base/array_view_21.cc
new file mode 100644 (file)
index 0000000..6ee834c
--- /dev/null
+++ b/tests/base/array_view_21.cc
@@ -0,0 +1,40 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2023 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.md at
+// the top level directory of deal.II.
+//
+// ---------------------------------------------------------------------
+
+
+// test for class ArrayView initialized from a std::initializer_list.
+
+#include <deal.II/base/array_view.h>
+
+#include "../tests.h"
+
+
+void
+test(const ArrayView<const int> &a)
+{
+  deallog << "Size=" << a.size() << std::endl;
+  for (const auto &i : a)
+    deallog << "  " << i << std::endl;
+}
+
+
+int
+main()
+{
+  initlog();
+
+  test({});
+  test({1, 2, 3});
+}

diff --git a/tests/base/array_view_21.output b/tests/base/array_view_21.output
new file mode 100644 (file)
index 0000000..60081f9
--- /dev/null
+++ b/tests/base/array_view_21.output
@@ -0,0 +1,6 @@
+
+DEAL::Size=0
+DEAL::Size=3
+DEAL::  1
+DEAL::  2
+DEAL::  3