1 files changed, 132 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/refcounting.cxx b/compilerplugins/clang/test/refcounting.cxx
new file mode 100644
index 0000000000..54d4dbe14b
--- /dev/null
+++ b/compilerplugins/clang/test/refcounting.cxx
@@ -0,0 +1,132 @@
+/* -*- 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 <memory>
+#include <rtl/ref.hxx>
+#include <boost/intrusive_ptr.hpp>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <cppuhelper/weak.hxx>
+#include <unotools/weakref.hxx>
+
+struct UnoObject : public cppu::OWeakObject
+{
+};
+struct UnoSubObject : public UnoObject
+{
+};
+
+//
+// Note, getting duplicate warnings for some reason I cannot fathom
+//
+
+struct Foo
+{
+    // expected-error@+2 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    std::unique_ptr<UnoObject> m_foo1;
+    // expected-error@+2 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    std::shared_ptr<UnoObject> m_foo2;
+    // expected-error@+2 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    boost::intrusive_ptr<UnoObject> m_foo3;
+    rtl::Reference<UnoObject> m_foo4; // no warning expected
+};
+
+// expected-error@+2 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+// expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+std::unique_ptr<UnoObject> foo1();
+rtl::Reference<UnoObject> foo2(); // no warning expected
+// expected-error@+2 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+// expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via smart pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+void foo3(std::unique_ptr<UnoObject> p);
+
+void test2(UnoObject* pUnoObject)
+{
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being deleted via delete, should be managed via rtl::Reference [loplugin:refcounting]}}
+    delete pUnoObject;
+}
+
+template <typename T> struct Dependent : T
+{
+    void f() { delete this; }
+    //TODO: missing expected error@+1 {{cppu::OWeakObject subclass 'Dependent<UnoObject>' being deleted via delete, should be managed via rtl::Reference [loplugin:refcounting]}}
+    void g() { delete this; }
+};
+struct Dummy
+{
+};
+void dummy(Dependent<Dummy>* p1, Dependent<UnoObject>* p2)
+{
+    p1->f();
+    p2->g();
+}
+
+void foo4()
+{
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    UnoObject* p = new UnoObject;
+    (void)p;
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoObject' being managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    p = new UnoObject;
+}
+
+UnoObject* foo5()
+{
+    // expected-error@+1 {{new object of cppu::OWeakObject subclass 'UnoObject' being returned via raw pointer, should be returned by via rtl::Reference [loplugin:refcounting]}}
+    return new UnoObject;
+}
+rtl::Reference<UnoObject> foo6()
+{
+    // no warning expected
+    return new UnoObject;
+}
+const rtl::Reference<UnoObject>& getConstRef();
+void foo7()
+{
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoSubObject' being managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    UnoSubObject* p1 = static_cast<UnoSubObject*>(foo6().get());
+    (void)p1;
+    // expected-error@+1 {{cppu::OWeakObject subclass 'UnoSubObject' being managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    p1 = static_cast<UnoSubObject*>(foo6().get());
+
+    rtl::Reference<UnoObject> u2;
+    // no warning expected
+    UnoSubObject* p2 = static_cast<UnoSubObject*>(u2.get());
+    (void)p2;
+    p2 = static_cast<UnoSubObject*>(u2.get());
+    // no warning expected
+    UnoSubObject* p3 = static_cast<UnoSubObject*>(getConstRef().get());
+    (void)p3;
+    p3 = static_cast<UnoSubObject*>(getConstRef().get());
+}
+
+const unotools::WeakReference<UnoObject>& getWeakRef();
+void foo8()
+{
+    // expected-error@+1 {{weak object being converted to strong, and then the reference dropped, and managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    UnoSubObject* p1 = static_cast<UnoSubObject*>(getWeakRef().get().get());
+    (void)p1;
+
+    // expected-error@+1 {{weak object being converted to strong, and then the reference dropped, and managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    UnoObject* p2 = getWeakRef().get().get();
+    (void)p2;
+
+    unotools::WeakReference<UnoObject> weak1;
+    // expected-error@+1 {{weak object being converted to strong, and then the reference dropped, and managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    UnoSubObject* p3 = dynamic_cast<UnoSubObject*>(weak1.get().get());
+    (void)p3;
+
+    // expected-error@+1 {{weak object being converted to strong, and then the reference dropped, and managed via raw pointer, should be managed via rtl::Reference [loplugin:refcounting]}}
+    UnoObject* p4 = weak1.get().get();
+    (void)p4;
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */