1 files changed, 56 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/stdfunction.cxx b/compilerplugins/clang/test/stdfunction.cxx
new file mode 100644
index 000000000..492ba4249
--- /dev/null
+++ b/compilerplugins/clang/test/stdfunction.cxx
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <iterator>
+#include <vector>
+
+struct S
+{
+    bool empty() const;
+};
+
+template <typename> struct ST
+{
+    bool empty() const;
+};
+
+namespace std
+{
+bool empty( //expected-error {{Do not declare a function in namespace 'std' [loplugin:stdfunction]}}
+    S const&);
+
+template <>
+bool empty( //expected-error {{Do not declare a function template specialization in namespace 'std' [loplugin:stdfunction]}}
+    S const&);
+
+template <typename T>
+bool empty( //expected-error {{Do not declare a function template in namespace 'std' [loplugin:stdfunction]}}
+    ST<T> const&);
+
+template <> class vector<S>
+{
+public:
+    [[nodiscard]] constexpr bool empty() const noexcept;
+};
+
+[[nodiscard]] constexpr bool vector<S>::empty() const noexcept { return true; }
+}
+
+namespace std::inner
+{
+bool empty( //expected-error {{Do not declare a function in namespace 'std' [loplugin:stdfunction]}}
+    S const&);
+}
+
+namespace outer::std
+{
+bool empty(S const&);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */