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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/types.h>
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/plugin/TestPlugIn.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <Interface1.hpp>
+
+namespace
+{
+
+using ::com::sun::star::uno::Type;
+using ::com::sun::star::uno::Any;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::RuntimeException;
+using ::com::sun::star::uno::UNO_SET_THROW;
+
+class Foo: public Interface1
+{
+public:
+ Foo()
+ :m_refCount(0)
+ {
+ }
+
+ Foo(const Foo&) = delete;
+ const Foo& operator=(const Foo&) = delete;
+
+ virtual Any SAL_CALL queryInterface(const Type & _type) override
+ {
+ if (_type == cppu::UnoType<XInterface>::get())
+ {
+ return css::uno::Any(css::uno::Reference<css::uno::XInterface>(
+ this));
+ }
+ if (_type == cppu::UnoType<Interface1>::get())
+ {
+ return css::uno::Any(css::uno::Reference<Interface1>(this));
+ }
+
+ return Any();
+ }
+
+ virtual void SAL_CALL acquire() noexcept override
+ {
+ osl_atomic_increment( &m_refCount );
+ }
+
+ virtual void SAL_CALL release() noexcept override
+ {
+ if ( 0 == osl_atomic_decrement( &m_refCount ) )
+ delete this;
+ }
+
+protected:
+ virtual ~Foo()
+ {
+ }
+
+private:
+ oslInterlockedCount m_refCount;
+};
+
+// Check that the up-casting Reference conversion constructor catches the
+// intended cases:
+
+struct Base1: public css::uno::XInterface {
+ virtual ~Base1() = delete;
+ static ::css::uno::Type const & static_type(void * = nullptr) // loplugin:refcounting
+ { return ::cppu::UnoType<Base1>::get(); }
+};
+struct Base2: public Base1 {
+ virtual ~Base2() override = delete;
+};
+struct Base3: public Base1 { virtual ~Base3() override = delete; };
+struct Derived: public Base2, public Base3 {
+ virtual ~Derived() override = delete;
+};
+
+// The special case using the conversion operator instead:
+css::uno::Reference< css::uno::XInterface > testUpcast1(
+ css::uno::Reference< Derived > const & ref)
+{
+ Base1::static_type(); // prevent loplugin:unreffun firing
+ return ref;
+}
+
+// The normal up-cast case:
+css::uno::Reference< Base1 > testUpcast2(
+ css::uno::Reference< Base2 > const & ref)
+{ return ref; }
+
+// Commenting this in should cause a compiler error due to an ambiguous up-cast:
+/*
+css::uno::Reference< Base1 > testFailingUpcast3(
+ css::uno::Reference< Derived > const & ref)
+{ return ref; }
+*/
+
+// Commenting this in should cause a compiler error due to a down-cast:
+/*
+css::uno::Reference< Base2 > testFailingUpcast4(
+ css::uno::Reference< Base1 > const & ref)
+{ return ref; }
+*/
+
+// Commenting this in should cause a compiler error due to a down-cast:
+/*
+css::uno::Reference< Base1 > testFailingUpcast5(
+ css::uno::Reference< css::uno::XInterface > const & ref)
+{ return ref; }
+*/
+
+class Test: public ::CppUnit::TestFixture
+{
+
+public:
+ void testUnoSetThrow();
+ void testUpcastCompilation();
+
+ CPPUNIT_TEST_SUITE(Test);
+ CPPUNIT_TEST(testUnoSetThrow);
+ CPPUNIT_TEST(testUpcastCompilation);
+ CPPUNIT_TEST_SUITE_END();
+};
+
+void Test::testUnoSetThrow()
+{
+ Reference< Interface1 > xNull;
+ Reference< Interface1 > xFoo( new Foo );
+
+ // ctor taking Reference< interface_type >
+ bool bCaughtException = false;
+ try { Reference< Interface1 > x( xNull, UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
+
+ bCaughtException = false;
+ try { Reference< Interface1 > x( xFoo, UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
+
+ // ctor taking interface_type*
+ bCaughtException = false;
+ try { Reference< Interface1 > x( xNull.get(), UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
+
+ bCaughtException = false;
+ try { Reference< Interface1 > x( xFoo.get(), UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
+
+ Reference< Interface1 > x;
+ // "set" taking Reference< interface_type >
+ bCaughtException = false;
+ try { x.set( xNull, UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
+
+ bCaughtException = false;
+ try { x.set( xFoo, UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
+
+ // "set" taking interface_type*
+ bCaughtException = false;
+ try { x.set( xNull.get(), UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
+
+ bCaughtException = false;
+ try { x.set( xFoo.get(), UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
+ CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
+}
+
+// Include a dummy test calling those functions, to avoid warnings about those
+// functions being unused:
+void Test::testUpcastCompilation()
+{
+ testUpcast1(css::uno::Reference< Derived >());
+ testUpcast2(css::uno::Reference< Base2 >());
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(Test);
+
+} // namespace
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */