1 files changed, 42 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/unusedindex.cxx b/compilerplugins/clang/test/unusedindex.cxx
new file mode 100644
index 000000000..4d08b5be0
--- /dev/null
+++ b/compilerplugins/clang/test/unusedindex.cxx
@@ -0,0 +1,42 @@
+/* -*- 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 <vector>
+
+#pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+
+void func1()
+{
+    std::vector<int> v1;
+    int n = 0;
+
+    for (int i = 0; i < 10; ++i) // expected-error {{loop variable not used [loplugin:unusedindex]}}
+        n += 1;
+    for (int i = 0; i < 10; ++i)
+        n += i;
+
+    for (int i = 0; i < 10; ++i) // expected-error {{loop variable not used [loplugin:unusedindex]}}
+    {
+        for (int j = 0; j < 10; ++j)
+        {
+            n += j;
+        }
+    }
+    for (int i = 0; i < 10; ++i)
+    {
+        for (int j = 0; j < 10; ++j)
+        {
+            n += j;
+            n += i;
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */