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-rw-r--r--compilerplugins/clang/test/unusedvariablecheck.cxx38
1 files changed, 38 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/unusedvariablecheck.cxx b/compilerplugins/clang/test/unusedvariablecheck.cxx
new file mode 100644
index 000000000..b020fba3e
--- /dev/null
+++ b/compilerplugins/clang/test/unusedvariablecheck.cxx
@@ -0,0 +1,38 @@
+/* -*- 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 <sal/config.h>
+
+#include <list>
+#include <string>
+#include <vector>
+#include <memory>
+
+namespace
+{
+template <typename T> using Vec = std::vector<T>;
+}
+
+struct S : std::unique_ptr<int>
+{
+ S(int* = nullptr);
+};
+
+int main()
+{
+ std::list<int> v1; // expected-error {{unused variable 'v1' [loplugin:unusedvariablecheck]}}
+ std::string v2; // expected-error {{unused variable 'v2' [loplugin:unusedvariablecheck]}}
+ Vec<int> v3; // expected-error {{unused variable 'v3' [loplugin:unusedvariablecheck]}}
+ std::unique_ptr<int>
+ v4; // expected-error {{unused variable 'v4' [loplugin:unusedvariablecheck]}}
+ S v5; // expected-error {{unused variable 'v5' [loplugin:unusedvariablecheck]}}
+ S v6(nullptr);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */