1 files changed, 107 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/constvars.cxx b/compilerplugins/clang/test/constvars.cxx
new file mode 100644
index 000000000..dc3c1ecb9
--- /dev/null
+++ b/compilerplugins/clang/test/constvars.cxx
@@ -0,0 +1,107 @@
+/* -*- 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/.
+ */
+
+#if defined _WIN32 //TODO, see corresponding TODO in compilerplugins/clang/writeonlyvars.cxx
+// expected-no-diagnostics
+#else
+
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <map>
+#include <list>
+#include <vector>
+#include <rtl/ustring.hxx>
+
+namespace test1
+{
+int const aFormalArgs[] = { 1, 2 };
+// expected-error@+1 {{var can be const [loplugin:constvars]}}
+static sal_uInt16 nMediaArgsCount = SAL_N_ELEMENTS(aFormalArgs);
+sal_uInt16 foo()
+{
+    (void)aFormalArgs;
+    return nMediaArgsCount;
+}
+};
+
+// no warning expected
+namespace test2
+{
+static char const* ar[] = { "xxxx" };
+static const char* lcl_DATA_OTHERS = "localedata_others";
+void foo()
+{
+    (void)ar;
+    (void)lcl_DATA_OTHERS;
+}
+};
+
+// no warning expected
+namespace test3
+{
+static sal_uInt16 nMediaArgsCount = 1; // loplugin:constvars:ignore
+sal_uInt16 foo() { return nMediaArgsCount; }
+};
+
+// no warning expected, we don't handle these destructuring assignments properly yet
+namespace test4
+{
+void foo()
+{
+    std::map<OUString, OUString> aMap;
+    for (auto & [ rName, rEntry ] : aMap)
+    {
+        rEntry.clear();
+    }
+}
+};
+
+// no warning expected
+namespace test5
+{
+struct Struct1
+{
+};
+void release(Struct1*);
+void foo(std::list<Struct1*> aList)
+{
+    for (Struct1* pItem : aList)
+    {
+        release(pItem);
+    }
+}
+};
+
+namespace test6
+{
+void foo(css::uno::Sequence<css::uno::Reference<css::uno::XInterface>>& aSeq)
+{
+    // expected-error@+1 {{var can be const [loplugin:constvars]}}
+    for (css::uno::Reference<css::uno::XInterface>& x : aSeq)
+    {
+        x.get();
+    }
+}
+};
+
+// no warning expected
+namespace test7
+{
+void foo(std::vector<std::vector<int>> aVecVec)
+{
+    for (auto& rVec : aVecVec)
+        for (auto& rElement : rVec)
+            rElement = 1;
+}
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */