1 files changed, 73 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/constparams.cxx b/compilerplugins/clang/test/constparams.cxx
new file mode 100644
index 000000000..e6b22ca91
--- /dev/null
+++ b/compilerplugins/clang/test/constparams.cxx
@@ -0,0 +1,73 @@
+/* -*- 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 <string>
+
+#pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+
+struct Class1
+{
+    int const * m_f1;
+    Class1(int * f1) : m_f1(f1) {} // expected-error {{this parameter can be const Class1::Class1 [loplugin:constparams]}}
+};
+
+struct Class2
+{
+    int * m_f2;
+    Class2(int * f2) : m_f2(f2) {}
+};
+struct Class3
+{
+    int * m_f2;
+    Class3(void * f2) : m_f2(static_cast<int*>(f2)) {}
+};
+
+int const * f1(int *); // expected-note {{canonical parameter declaration here [loplugin:constparams]}}
+int const * f2(int *);
+int const * f3(int *);
+void g() {
+    int const * (*p1)(int *);
+    int n = 0;
+    f1(&n);
+    p1 = f2;
+    typedef void (*P2)();
+    P2 p2;
+    p2 = (P2) (f3);
+}
+int const * f1(int * p) { // expected-error {{this parameter can be const f1 [loplugin:constparams]}}
+    return p;
+}
+void f4(std::string * p) {
+    *p = std::string("xxx");
+}
+
+
+namespace test5
+{
+struct Rectangle {};
+
+struct Foo
+{
+    void CallConst(const Rectangle*);
+    void CallNonConst(Rectangle*);
+    // expected-error@+1 {{this parameter can be const test5::Foo::ImplInvalidateParentFrameRegion [loplugin:constparams]}}
+    void ImplInvalidateParentFrameRegion( Rectangle& rRegion )
+    {
+        CallConst( &rRegion );
+    }
+    // no warning expected
+    void ImplInvalidateParentFrameRegion2( Rectangle& rRegion )
+    {
+        CallNonConst( &rRegion );
+    }
+};
+
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */