1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/* -*- 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 <cppunit/extensions/HelperMacros.h>
#include <cppunit/plugin/TestPlugIn.h>
#include <systools/win32/comtools.hxx>
#include <shobjidl.h>
namespace {
class COMObject : public IUnknown
{
public:
COMObject() : ref_count_(0)
{
}
virtual ~COMObject()
{
}
ULONG __stdcall AddRef() override
{
ref_count_++;
return ref_count_;
}
ULONG __stdcall Release() override
{
ULONG cnt = --ref_count_;
if (cnt == 0)
delete this;
return cnt;
}
HRESULT __stdcall QueryInterface(REFIID riid, void** ppv) override
{
if (riid == IID_IUnknown)
{
AddRef();
*ppv = this;
return S_OK;
}
return E_NOINTERFACE;
}
ULONG GetRefCount() const
{
return ref_count_;
}
private:
ULONG ref_count_;
};
}
static sal::systools::COMReference<IUnknown> comObjectSource()
{
return sal::systools::COMReference<IUnknown>(new COMObject);
}
static bool comObjectSink(sal::systools::COMReference<IUnknown> r, ULONG expectedRefCountOnReturn)
{
r = sal::systools::COMReference<IUnknown>();
COMObject* p = reinterpret_cast<COMObject*>(r.get());
if (p)
return (p->GetRefCount() == expectedRefCountOnReturn);
else
return (0 == expectedRefCountOnReturn);
}
static void comObjectSource2(LPVOID* ppv)
{
COMObject* p = new COMObject;
p->AddRef();
*ppv = p;
}
namespace test_comtools
{
class test_COMReference : public CppUnit::TestFixture
{
public:
/// test of COMReference<IUnknown> r;
void default_ctor()
{
sal::systools::COMReference<IUnknown> r;
CPPUNIT_ASSERT_EQUAL_MESSAGE("COMReference should be empty", static_cast<IUnknown *>(nullptr), r.get());
}
void test_ctor_manual_AddRef()
{
COMObject* p = new COMObject;
p->AddRef();
sal::systools::COMReference<IUnknown> r(p, false);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
}
void test_copy_ctor()
{
sal::systools::COMReference<IUnknown> r(comObjectSource());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
}
void test_copy_assignment()
{
sal::systools::COMReference<IUnknown> r;
CPPUNIT_ASSERT_EQUAL_MESSAGE("COMReference should be empty", static_cast<IUnknown *>(nullptr), r.get());
r = comObjectSource();
CPPUNIT_ASSERT_MESSAGE("COMReference should be empty", r.get() != nullptr);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
}
void test_ref_to_ref_assignment()
{
sal::systools::COMReference<IUnknown> r1 = comObjectSource();
sal::systools::COMReference<IUnknown> r2 = r1;
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 2 is expected", ULONG(2), reinterpret_cast<COMObject*>(r2.get())->GetRefCount());
}
void test_pointer_to_ref_assignment()
{
sal::systools::COMReference<IUnknown> r;
r = new COMObject;
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
}
void test_pointer_to_ref_assignment2()
{
sal::systools::COMReference<IUnknown> r = comObjectSource();
r = new COMObject;
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
}
void test_source_sink()
{
CPPUNIT_ASSERT_MESSAGE("Wrong reference count, 0 is expected", comObjectSink(comObjectSource(), 0));
}
void test_address_operator()
{
sal::systools::COMReference<IUnknown> r;
comObjectSource2(reinterpret_cast<LPVOID*>(&r));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count, 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
}
void test_address_operator2()
{
sal::systools::COMReference<IUnknown> r1 = comObjectSource();
sal::systools::COMReference<IUnknown> r2 = r1;
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 2 is expected", ULONG(2), reinterpret_cast<COMObject*>(r2.get())->GetRefCount());
comObjectSource2(reinterpret_cast<LPVOID*>(&r1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r1.get())->GetRefCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r2.get())->GetRefCount());
}
void test_clear()
{
sal::systools::COMReference<IUnknown> r = comObjectSource();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount());
r.clear();
CPPUNIT_ASSERT_MESSAGE("Expect reference to be empty", !r.is());
}
void test_query_interface()
{
sal::systools::COMReference<IUnknown> r1 = comObjectSource();
sal::systools::COMReference<IUnknown> r2;
CPPUNIT_ASSERT_NO_THROW_MESSAGE(
"Exception should not have been thrown",
r2 = r1.QueryInterface<IUnknown>(sal::systools::COM_QUERY_THROW));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count, 2 is expected", ULONG(2),
reinterpret_cast<COMObject*>(r2.get())->GetRefCount());
}
void test_query_interface_throw()
{
sal::systools::COMReference<IUnknown> r1 = comObjectSource();
CPPUNIT_ASSERT_THROW_MESSAGE("Exception should have been thrown",
auto r2 = r1.QueryInterface<IPersistFile>(sal::systools::COM_QUERY_THROW),
sal::systools::ComError);
}
void test_CoCreateInstance()
{
if (FAILED(CoInitialize(nullptr)))
return;
{
// Use scope to destroy the reference before calling CoUninitialize
sal::systools::COMReference<IFileOpenDialog> r;
CPPUNIT_ASSERT_NO_THROW(r.CoCreateInstance(__uuidof(FileOpenDialog)));
// Immediately after CoCreateInstance, refcount must be 1; increasing once gives 2
CPPUNIT_ASSERT_EQUAL(ULONG(2), r->AddRef());
r->Release();
}
CoUninitialize();
}
// Change the following lines only, if you add, remove or rename
// member functions of the current class,
// because these macros are need by auto register mechanism.
CPPUNIT_TEST_SUITE(test_COMReference);
CPPUNIT_TEST(default_ctor);
CPPUNIT_TEST(test_ctor_manual_AddRef);
CPPUNIT_TEST(test_copy_ctor);
CPPUNIT_TEST(test_copy_assignment);
CPPUNIT_TEST(test_ref_to_ref_assignment);
CPPUNIT_TEST(test_pointer_to_ref_assignment);
CPPUNIT_TEST(test_pointer_to_ref_assignment2);
CPPUNIT_TEST(test_source_sink);
CPPUNIT_TEST(test_address_operator);
CPPUNIT_TEST(test_address_operator2);
CPPUNIT_TEST(test_clear);
CPPUNIT_TEST(test_query_interface);
CPPUNIT_TEST(test_query_interface_throw);
CPPUNIT_TEST(test_CoCreateInstance);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION(test_comtools::test_COMReference);
} // namespace rtl_OUString
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
