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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <sal/types.h>
21 :
22 : #include <boost/noncopyable.hpp>
23 : #include <cppunit/TestSuite.h>
24 : #include <cppunit/TestFixture.h>
25 : #include <cppunit/TestCase.h>
26 : #include <cppunit/plugin/TestPlugIn.h>
27 : #include <cppunit/extensions/HelperMacros.h>
28 :
29 : #include "Interface1.hpp"
30 :
31 : #include "rtl/ustring.hxx"
32 :
33 : namespace
34 : {
35 :
36 : using ::com::sun::star::uno::Type;
37 : using ::com::sun::star::uno::Any;
38 : using ::com::sun::star::uno::Reference;
39 : using ::com::sun::star::uno::RuntimeException;
40 : using ::com::sun::star::uno::UNO_SET_THROW;
41 :
42 : class Foo: public Interface1, private boost::noncopyable
43 : {
44 : public:
45 1 : Foo()
46 1 : :m_refCount(0)
47 : {
48 1 : }
49 :
50 0 : virtual Any SAL_CALL queryInterface(const Type & _type)
51 : throw (RuntimeException, std::exception) SAL_OVERRIDE
52 : {
53 0 : Any aInterface;
54 0 : if (_type == cppu::UnoType<XInterface>::get())
55 : {
56 0 : Reference< XInterface > ref( static_cast< XInterface * >( this ) );
57 0 : aInterface.setValue( &ref, _type );
58 : }
59 0 : else if (_type == cppu::UnoType<Interface1>::get())
60 : {
61 0 : Reference< Interface1 > ref( this );
62 0 : aInterface.setValue( &ref, _type );
63 : }
64 :
65 0 : return Any();
66 : }
67 :
68 5 : virtual void SAL_CALL acquire() throw () SAL_OVERRIDE
69 : {
70 5 : osl_atomic_increment( &m_refCount );
71 5 : }
72 :
73 5 : virtual void SAL_CALL release() throw () SAL_OVERRIDE
74 : {
75 5 : if ( 0 == osl_atomic_decrement( &m_refCount ) )
76 1 : delete this;
77 5 : }
78 :
79 : protected:
80 2 : virtual ~Foo()
81 1 : {
82 2 : }
83 :
84 : private:
85 : oslInterlockedCount m_refCount;
86 : };
87 :
88 : // Check that the up-casting Reference conversion constructor catches the
89 : // intended cases:
90 :
91 : struct Base1: public css::uno::XInterface {
92 : virtual ~Base1() SAL_DELETED_FUNCTION;
93 : };
94 : struct Base2: public Base1 { virtual ~Base2() SAL_DELETED_FUNCTION; };
95 : struct Base3: public Base1 { virtual ~Base3() SAL_DELETED_FUNCTION; };
96 : struct Derived: public Base2, public Base3 {
97 : virtual ~Derived() SAL_DELETED_FUNCTION;
98 : };
99 :
100 : // The special case using the conversion operator instead:
101 1 : css::uno::Reference< css::uno::XInterface > testUpcast1(
102 : css::uno::Reference< Derived > const & ref)
103 1 : { return ref; }
104 :
105 : // The normal up-cast case:
106 1 : css::uno::Reference< Base1 > testUpcast2(
107 : css::uno::Reference< Base2 > const & ref)
108 1 : { return ref; }
109 :
110 : // Commenting this in should cause a compiler error due to an ambiguous up-cast:
111 : /*
112 : css::uno::Reference< Base1 > testFailingUpcast3(
113 : css::uno::Reference< Derived > const & ref)
114 : { return ref; }
115 : */
116 :
117 : // Commenting this in should cause a compiler error due to a down-cast:
118 : /*
119 : css::uno::Reference< Base2 > testFailingUpcast4(
120 : css::uno::Reference< Base1 > const & ref)
121 : { return ref; }
122 : */
123 :
124 : // Commenting this in should cause a compiler error due to a down-cast:
125 : /*
126 : css::uno::Reference< Base1 > testFailingUpcast5(
127 : css::uno::Reference< css::uno::XInterface > const & ref)
128 : { return ref; }
129 : */
130 :
131 6 : class Test: public ::CppUnit::TestFixture
132 : {
133 :
134 : public:
135 : void testUnoSetThrow();
136 : void testUpcastCompilation();
137 :
138 2 : CPPUNIT_TEST_SUITE(Test);
139 1 : CPPUNIT_TEST(testUnoSetThrow);
140 1 : CPPUNIT_TEST(testUpcastCompilation);
141 5 : CPPUNIT_TEST_SUITE_END();
142 : };
143 :
144 1 : void Test::testUnoSetThrow()
145 : {
146 1 : Reference< Interface1 > xNull;
147 2 : Reference< Interface1 > xFoo( new Foo );
148 :
149 : // ctor taking Reference< interface_type >
150 1 : bool bCaughtException = false;
151 2 : try { Reference< Interface1 > x( xNull, UNO_SET_THROW ); (void)x; } catch( const RuntimeException& ) { bCaughtException = true; }
152 1 : CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
153 :
154 1 : bCaughtException = false;
155 1 : try { Reference< Interface1 > x( xFoo, UNO_SET_THROW ); (void)x; } catch( const RuntimeException& ) { bCaughtException = true; }
156 1 : CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
157 :
158 : // ctor taking interface_type*
159 1 : bCaughtException = false;
160 2 : try { Reference< Interface1 > x( xNull.get(), UNO_SET_THROW ); (void)x; } catch( const RuntimeException& ) { bCaughtException = true; }
161 1 : CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
162 :
163 1 : bCaughtException = false;
164 1 : try { Reference< Interface1 > x( xFoo.get(), UNO_SET_THROW ); (void)x; } catch( const RuntimeException& ) { bCaughtException = true; }
165 1 : CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
166 :
167 2 : Reference< Interface1 > x;
168 : // "set" taking Reference< interface_type >
169 1 : bCaughtException = false;
170 2 : try { x.set( xNull, UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
171 1 : CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
172 :
173 1 : bCaughtException = false;
174 1 : try { x.set( xFoo, UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
175 1 : CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
176 :
177 : // "set" taking interface_type*
178 1 : bCaughtException = false;
179 2 : try { x.set( xNull.get(), UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
180 1 : CPPUNIT_ASSERT_EQUAL( true, bCaughtException );
181 :
182 1 : bCaughtException = false;
183 1 : try { x.set( xFoo.get(), UNO_SET_THROW ); } catch( const RuntimeException& ) { bCaughtException = true; }
184 2 : CPPUNIT_ASSERT_EQUAL( false, bCaughtException );
185 1 : }
186 :
187 : // Include a dummy test calling those functions, to avoid warnings about those
188 : // functions being unused:
189 1 : void Test::testUpcastCompilation()
190 : {
191 1 : testUpcast1(css::uno::Reference< Derived >());
192 1 : testUpcast2(css::uno::Reference< Base2 >());
193 1 : }
194 :
195 1 : CPPUNIT_TEST_SUITE_REGISTRATION(Test);
196 :
197 : } // namespace
198 :
199 4 : CPPUNIT_PLUGIN_IMPLEMENT();
200 :
201 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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