From f3ccabdcd97a335a9be9809d482f089c7717d66a Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 11 Sep 2024 09:38:36 -0600
Subject: [PATCH] Add a test.

---
 tests/base/smart_pointer_02.cc       | 41 ++++++++++++++++++++++++++++
 tests/base/smart_pointer_02.run_only |  0
 2 files changed, 41 insertions(+)
 create mode 100644 tests/base/smart_pointer_02.cc
 create mode 100644 tests/base/smart_pointer_02.run_only

diff --git a/tests/base/smart_pointer_02.cc b/tests/base/smart_pointer_02.cc
new file mode 100644
index 0000000000..da5af3a911
--- /dev/null
+++ b/tests/base/smart_pointer_02.cc
@@ -0,0 +1,41 @@
+// ------------------------------------------------------------------------
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+// Copyright (C) 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.
+//
+// ------------------------------------------------------------------------
+
+
+
+// Ensure that the old SmartPointer class name continues to be
+// available after the renaming to ObserverPointer.
+
+
+#include <deal.II/base/observer_pointer.h>
+#include <deal.II/base/smartpointer.h>
+#include <deal.II/base/subscriptor.h>
+
+#include <any>
+#include <iostream>
+
+#include "../tests.h"
+
+
+class Test : public Subscriptor
+{};
+
+
+int
+main()
+{
+  static_assert(std::is_same_v<ObserverPointer<Test>, SmartPointer<Test>>);
+  static_assert(
+    std::is_same_v<ObserverPointer<Test, int>, SmartPointer<Test, int>>);
+}
diff --git a/tests/base/smart_pointer_02.run_only b/tests/base/smart_pointer_02.run_only
new file mode 100644
index 0000000000..e69de29bb2
-- 
2.39.5