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1 | // make_local_shared_test.cpp |
2 | // | |
3 | // Copyright 2007-2009, 2017 Peter Dimov | |
4 | // | |
5 | // Distributed under the Boost Software License, Version 1.0. | |
6 | // See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt | |
8 | ||
9 | #include <boost/config.hpp> | |
10 | ||
11 | #if defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) || defined( BOOST_NO_CXX11_VARIADIC_TEMPLATES ) | |
12 | ||
13 | int main() | |
14 | { | |
15 | } | |
16 | ||
17 | #else | |
18 | ||
19 | #include <boost/core/lightweight_test.hpp> | |
20 | #include <boost/smart_ptr/make_local_shared.hpp> | |
21 | #include <boost/smart_ptr/local_shared_ptr.hpp> | |
22 | #include <boost/weak_ptr.hpp> | |
23 | #include <cstddef> | |
24 | ||
25 | class X | |
26 | { | |
27 | private: | |
28 | ||
29 | X( X const & ); | |
30 | X & operator=( X const & ); | |
31 | ||
32 | void * operator new( std::size_t n ) | |
33 | { | |
34 | // lack of this definition causes link errors on Comeau C++ | |
35 | BOOST_ERROR( "private X::new called" ); | |
36 | return ::operator new( n ); | |
37 | } | |
38 | ||
39 | void operator delete( void * p ) | |
40 | { | |
41 | // lack of this definition causes link errors on MSVC | |
42 | BOOST_ERROR( "private X::delete called" ); | |
43 | ::operator delete( p ); | |
44 | } | |
45 | ||
46 | public: | |
47 | ||
48 | static int instances; | |
49 | ||
50 | int v; | |
51 | ||
52 | explicit X( int a1 = 0, int a2 = 0, int a3 = 0, int a4 = 0, int a5 = 0, int a6 = 0, int a7 = 0, int a8 = 0, int a9 = 0 ): v( a1+a2+a3+a4+a5+a6+a7+a8+a9 ) | |
53 | { | |
54 | ++instances; | |
55 | } | |
56 | ||
57 | ~X() | |
58 | { | |
59 | --instances; | |
60 | } | |
61 | }; | |
62 | ||
63 | int X::instances = 0; | |
64 | ||
65 | template<class T> static long use_count( boost::local_shared_ptr<T> const & p ) | |
66 | { | |
67 | return boost::shared_ptr<T>( p ).use_count() - 1; | |
68 | } | |
69 | ||
70 | int main() | |
71 | { | |
72 | { | |
73 | boost::local_shared_ptr< int > pi = boost::make_local_shared< int >(); | |
74 | ||
75 | BOOST_TEST( pi.get() != 0 ); | |
76 | BOOST_TEST( pi.local_use_count() == 1 ); | |
77 | BOOST_TEST( use_count( pi ) == 1 ); | |
78 | ||
79 | BOOST_TEST( *pi == 0 ); | |
80 | } | |
81 | ||
82 | { | |
83 | boost::local_shared_ptr< int > pi = boost::make_local_shared_noinit< int >(); | |
84 | ||
85 | BOOST_TEST( pi.get() != 0 ); | |
86 | } | |
87 | ||
88 | { | |
89 | boost::local_shared_ptr< int > pi = boost::make_local_shared< int >( 5 ); | |
90 | ||
91 | BOOST_TEST( pi.get() != 0 ); | |
92 | BOOST_TEST( pi.local_use_count() == 1 ); | |
93 | BOOST_TEST( use_count( pi ) == 1 ); | |
94 | ||
95 | BOOST_TEST( *pi == 5 ); | |
96 | } | |
97 | ||
98 | BOOST_TEST( X::instances == 0 ); | |
99 | ||
100 | { | |
101 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >(); | |
102 | boost::weak_ptr<X> wp( pi ); | |
103 | ||
104 | BOOST_TEST( X::instances == 1 ); | |
105 | BOOST_TEST( pi.get() != 0 ); | |
106 | BOOST_TEST( pi.local_use_count() == 1 ); | |
107 | BOOST_TEST( use_count( pi ) == 1 ); | |
108 | BOOST_TEST( pi->v == 0 ); | |
109 | ||
110 | pi.reset(); | |
111 | ||
112 | BOOST_TEST( X::instances == 0 ); | |
113 | } | |
114 | ||
115 | { | |
116 | boost::local_shared_ptr< X > pi = boost::make_local_shared_noinit< X >(); | |
117 | boost::weak_ptr<X> wp( pi ); | |
118 | ||
119 | BOOST_TEST( X::instances == 1 ); | |
120 | BOOST_TEST( pi.get() != 0 ); | |
121 | BOOST_TEST( pi.local_use_count() == 1 ); | |
122 | BOOST_TEST( use_count( pi ) == 1 ); | |
123 | BOOST_TEST( pi->v == 0 ); | |
124 | ||
125 | pi.reset(); | |
126 | ||
127 | BOOST_TEST( X::instances == 0 ); | |
128 | } | |
129 | ||
130 | { | |
131 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1 ); | |
132 | boost::weak_ptr<X> wp( pi ); | |
133 | ||
134 | BOOST_TEST( X::instances == 1 ); | |
135 | BOOST_TEST( pi.get() != 0 ); | |
136 | BOOST_TEST( pi.local_use_count() == 1 ); | |
137 | BOOST_TEST( use_count( pi ) == 1 ); | |
138 | BOOST_TEST( pi->v == 1 ); | |
139 | ||
140 | pi.reset(); | |
141 | ||
142 | BOOST_TEST( X::instances == 0 ); | |
143 | } | |
144 | ||
145 | { | |
146 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2 ); | |
147 | boost::weak_ptr<X> wp( pi ); | |
148 | ||
149 | BOOST_TEST( X::instances == 1 ); | |
150 | BOOST_TEST( pi.get() != 0 ); | |
151 | BOOST_TEST( pi.local_use_count() == 1 ); | |
152 | BOOST_TEST( use_count( pi ) == 1 ); | |
153 | BOOST_TEST( pi->v == 1+2 ); | |
154 | ||
155 | pi.reset(); | |
156 | ||
157 | BOOST_TEST( X::instances == 0 ); | |
158 | } | |
159 | ||
160 | { | |
161 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3 ); | |
162 | boost::weak_ptr<X> wp( pi ); | |
163 | ||
164 | BOOST_TEST( X::instances == 1 ); | |
165 | BOOST_TEST( pi.get() != 0 ); | |
166 | BOOST_TEST( pi.local_use_count() == 1 ); | |
167 | BOOST_TEST( use_count( pi ) == 1 ); | |
168 | BOOST_TEST( pi->v == 1+2+3 ); | |
169 | ||
170 | pi.reset(); | |
171 | ||
172 | BOOST_TEST( X::instances == 0 ); | |
173 | } | |
174 | ||
175 | { | |
176 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3, 4 ); | |
177 | boost::weak_ptr<X> wp( pi ); | |
178 | ||
179 | BOOST_TEST( X::instances == 1 ); | |
180 | BOOST_TEST( pi.get() != 0 ); | |
181 | BOOST_TEST( pi.local_use_count() == 1 ); | |
182 | BOOST_TEST( use_count( pi ) == 1 ); | |
183 | BOOST_TEST( pi->v == 1+2+3+4 ); | |
184 | ||
185 | pi.reset(); | |
186 | ||
187 | BOOST_TEST( X::instances == 0 ); | |
188 | } | |
189 | ||
190 | { | |
191 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3, 4, 5 ); | |
192 | boost::weak_ptr<X> wp( pi ); | |
193 | ||
194 | BOOST_TEST( X::instances == 1 ); | |
195 | BOOST_TEST( pi.get() != 0 ); | |
196 | BOOST_TEST( pi.local_use_count() == 1 ); | |
197 | BOOST_TEST( use_count( pi ) == 1 ); | |
198 | BOOST_TEST( pi->v == 1+2+3+4+5 ); | |
199 | ||
200 | pi.reset(); | |
201 | ||
202 | BOOST_TEST( X::instances == 0 ); | |
203 | } | |
204 | ||
205 | { | |
206 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3, 4, 5, 6 ); | |
207 | boost::weak_ptr<X> wp( pi ); | |
208 | ||
209 | BOOST_TEST( X::instances == 1 ); | |
210 | BOOST_TEST( pi.get() != 0 ); | |
211 | BOOST_TEST( pi.local_use_count() == 1 ); | |
212 | BOOST_TEST( use_count( pi ) == 1 ); | |
213 | BOOST_TEST( pi->v == 1+2+3+4+5+6 ); | |
214 | ||
215 | pi.reset(); | |
216 | ||
217 | BOOST_TEST( X::instances == 0 ); | |
218 | } | |
219 | ||
220 | { | |
221 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3, 4, 5, 6, 7 ); | |
222 | boost::weak_ptr<X> wp( pi ); | |
223 | ||
224 | BOOST_TEST( X::instances == 1 ); | |
225 | BOOST_TEST( pi.get() != 0 ); | |
226 | BOOST_TEST( pi.local_use_count() == 1 ); | |
227 | BOOST_TEST( use_count( pi ) == 1 ); | |
228 | BOOST_TEST( pi->v == 1+2+3+4+5+6+7 ); | |
229 | ||
230 | pi.reset(); | |
231 | ||
232 | BOOST_TEST( X::instances == 0 ); | |
233 | } | |
234 | ||
235 | { | |
236 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3, 4, 5, 6, 7, 8 ); | |
237 | boost::weak_ptr<X> wp( pi ); | |
238 | ||
239 | BOOST_TEST( X::instances == 1 ); | |
240 | BOOST_TEST( pi.get() != 0 ); | |
241 | BOOST_TEST( pi.local_use_count() == 1 ); | |
242 | BOOST_TEST( use_count( pi ) == 1 ); | |
243 | BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8 ); | |
244 | ||
245 | pi.reset(); | |
246 | ||
247 | BOOST_TEST( X::instances == 0 ); | |
248 | } | |
249 | ||
250 | { | |
251 | boost::local_shared_ptr< X > pi = boost::make_local_shared< X >( 1, 2, 3, 4, 5, 6, 7, 8, 9 ); | |
252 | boost::weak_ptr<X> wp( pi ); | |
253 | ||
254 | BOOST_TEST( X::instances == 1 ); | |
255 | BOOST_TEST( pi.get() != 0 ); | |
256 | BOOST_TEST( pi.local_use_count() == 1 ); | |
257 | BOOST_TEST( use_count( pi ) == 1 ); | |
258 | BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8+9 ); | |
259 | ||
260 | pi.reset(); | |
261 | ||
262 | BOOST_TEST( X::instances == 0 ); | |
263 | } | |
264 | ||
265 | return boost::report_errors(); | |
266 | } | |
267 | ||
268 | #endif |