1 | // make_local_shared_esft_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/shared_ptr.hpp> |
22 | #include <boost/enable_shared_from_this.hpp> |
23 | |
24 | class X: public boost::enable_shared_from_this<X> |
25 | { |
26 | private: |
27 | |
28 | X( X const & ); |
29 | X & operator=( X const & ); |
30 | |
31 | public: |
32 | |
33 | static int instances; |
34 | |
35 | explicit X( int = 0, int = 0, int = 0, int = 0, int = 0, int = 0, int = 0, int = 0, int = 0 ) |
36 | { |
37 | ++instances; |
38 | } |
39 | |
40 | ~X() |
41 | { |
42 | --instances; |
43 | } |
44 | }; |
45 | |
46 | int X::instances = 0; |
47 | |
48 | int main() |
49 | { |
50 | BOOST_TEST( X::instances == 0 ); |
51 | |
52 | { |
53 | boost::shared_ptr< X > px = boost::make_local_shared< X >(); |
54 | BOOST_TEST( px.use_count() == 1 ); |
55 | BOOST_TEST( X::instances == 1 ); |
56 | |
57 | try |
58 | { |
59 | boost::shared_ptr< X > qx = px->shared_from_this(); |
60 | |
61 | BOOST_TEST( px == qx ); |
62 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
63 | |
64 | px.reset(); |
65 | BOOST_TEST( X::instances == 1 ); |
66 | } |
67 | catch( boost::bad_weak_ptr const& ) |
68 | { |
69 | BOOST_ERROR( "px->shared_from_this() failed" ); |
70 | } |
71 | } |
72 | |
73 | BOOST_TEST( X::instances == 0 ); |
74 | |
75 | { |
76 | boost::shared_ptr< X > px = boost::make_local_shared_noinit< X >(); |
77 | BOOST_TEST( px.use_count() == 1 ); |
78 | BOOST_TEST( X::instances == 1 ); |
79 | |
80 | try |
81 | { |
82 | boost::shared_ptr< X > qx = px->shared_from_this(); |
83 | |
84 | BOOST_TEST( px == qx ); |
85 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
86 | |
87 | px.reset(); |
88 | BOOST_TEST( X::instances == 1 ); |
89 | } |
90 | catch( boost::bad_weak_ptr const& ) |
91 | { |
92 | BOOST_ERROR( "px->shared_from_this() failed" ); |
93 | } |
94 | } |
95 | |
96 | BOOST_TEST( X::instances == 0 ); |
97 | |
98 | { |
99 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1 ); |
100 | BOOST_TEST( px.use_count() == 1 ); |
101 | BOOST_TEST( X::instances == 1 ); |
102 | |
103 | try |
104 | { |
105 | boost::shared_ptr< X > qx = px->shared_from_this(); |
106 | |
107 | BOOST_TEST( px == qx ); |
108 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
109 | |
110 | px.reset(); |
111 | BOOST_TEST( X::instances == 1 ); |
112 | } |
113 | catch( boost::bad_weak_ptr const& ) |
114 | { |
115 | BOOST_ERROR( "px->shared_from_this() failed" ); |
116 | } |
117 | } |
118 | |
119 | BOOST_TEST( X::instances == 0 ); |
120 | |
121 | { |
122 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2 ); |
123 | BOOST_TEST( px.use_count() == 1 ); |
124 | BOOST_TEST( X::instances == 1 ); |
125 | |
126 | try |
127 | { |
128 | boost::shared_ptr< X > qx = px->shared_from_this(); |
129 | |
130 | BOOST_TEST( px == qx ); |
131 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
132 | |
133 | px.reset(); |
134 | BOOST_TEST( X::instances == 1 ); |
135 | } |
136 | catch( boost::bad_weak_ptr const& ) |
137 | { |
138 | BOOST_ERROR( "px->shared_from_this() failed" ); |
139 | } |
140 | } |
141 | |
142 | BOOST_TEST( X::instances == 0 ); |
143 | |
144 | { |
145 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3 ); |
146 | BOOST_TEST( px.use_count() == 1 ); |
147 | BOOST_TEST( X::instances == 1 ); |
148 | |
149 | try |
150 | { |
151 | boost::shared_ptr< X > qx = px->shared_from_this(); |
152 | |
153 | BOOST_TEST( px == qx ); |
154 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
155 | |
156 | px.reset(); |
157 | BOOST_TEST( X::instances == 1 ); |
158 | } |
159 | catch( boost::bad_weak_ptr const& ) |
160 | { |
161 | BOOST_ERROR( "px->shared_from_this() failed" ); |
162 | } |
163 | } |
164 | |
165 | BOOST_TEST( X::instances == 0 ); |
166 | |
167 | { |
168 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3, args: 4 ); |
169 | BOOST_TEST( px.use_count() == 1 ); |
170 | BOOST_TEST( X::instances == 1 ); |
171 | |
172 | try |
173 | { |
174 | boost::shared_ptr< X > qx = px->shared_from_this(); |
175 | |
176 | BOOST_TEST( px == qx ); |
177 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
178 | |
179 | px.reset(); |
180 | BOOST_TEST( X::instances == 1 ); |
181 | } |
182 | catch( boost::bad_weak_ptr const& ) |
183 | { |
184 | BOOST_ERROR( "px->shared_from_this() failed" ); |
185 | } |
186 | } |
187 | |
188 | BOOST_TEST( X::instances == 0 ); |
189 | |
190 | { |
191 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3, args: 4, args: 5 ); |
192 | BOOST_TEST( px.use_count() == 1 ); |
193 | BOOST_TEST( X::instances == 1 ); |
194 | |
195 | try |
196 | { |
197 | boost::shared_ptr< X > qx = px->shared_from_this(); |
198 | |
199 | BOOST_TEST( px == qx ); |
200 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
201 | |
202 | px.reset(); |
203 | BOOST_TEST( X::instances == 1 ); |
204 | } |
205 | catch( boost::bad_weak_ptr const& ) |
206 | { |
207 | BOOST_ERROR( "px->shared_from_this() failed" ); |
208 | } |
209 | } |
210 | |
211 | BOOST_TEST( X::instances == 0 ); |
212 | |
213 | { |
214 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3, args: 4, args: 5, args: 6 ); |
215 | BOOST_TEST( px.use_count() == 1 ); |
216 | BOOST_TEST( X::instances == 1 ); |
217 | |
218 | try |
219 | { |
220 | boost::shared_ptr< X > qx = px->shared_from_this(); |
221 | |
222 | BOOST_TEST( px == qx ); |
223 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
224 | |
225 | px.reset(); |
226 | BOOST_TEST( X::instances == 1 ); |
227 | } |
228 | catch( boost::bad_weak_ptr const& ) |
229 | { |
230 | BOOST_ERROR( "px->shared_from_this() failed" ); |
231 | } |
232 | } |
233 | |
234 | BOOST_TEST( X::instances == 0 ); |
235 | |
236 | { |
237 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3, args: 4, args: 5, args: 6, args: 7 ); |
238 | BOOST_TEST( px.use_count() == 1 ); |
239 | BOOST_TEST( X::instances == 1 ); |
240 | |
241 | try |
242 | { |
243 | boost::shared_ptr< X > qx = px->shared_from_this(); |
244 | |
245 | BOOST_TEST( px == qx ); |
246 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
247 | |
248 | px.reset(); |
249 | BOOST_TEST( X::instances == 1 ); |
250 | } |
251 | catch( boost::bad_weak_ptr const& ) |
252 | { |
253 | BOOST_ERROR( "px->shared_from_this() failed" ); |
254 | } |
255 | } |
256 | |
257 | BOOST_TEST( X::instances == 0 ); |
258 | |
259 | { |
260 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3, args: 4, args: 5, args: 6, args: 7, args: 8 ); |
261 | BOOST_TEST( px.use_count() == 1 ); |
262 | BOOST_TEST( X::instances == 1 ); |
263 | |
264 | try |
265 | { |
266 | boost::shared_ptr< X > qx = px->shared_from_this(); |
267 | |
268 | BOOST_TEST( px == qx ); |
269 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
270 | |
271 | px.reset(); |
272 | BOOST_TEST( X::instances == 1 ); |
273 | } |
274 | catch( boost::bad_weak_ptr const& ) |
275 | { |
276 | BOOST_ERROR( "px->shared_from_this() failed" ); |
277 | } |
278 | } |
279 | |
280 | BOOST_TEST( X::instances == 0 ); |
281 | |
282 | { |
283 | boost::shared_ptr< X > px = boost::make_local_shared< X >( args: 1, args: 2, args: 3, args: 4, args: 5, args: 6, args: 7, args: 8, args: 9 ); |
284 | BOOST_TEST( px.use_count() == 1 ); |
285 | BOOST_TEST( X::instances == 1 ); |
286 | |
287 | try |
288 | { |
289 | boost::shared_ptr< X > qx = px->shared_from_this(); |
290 | |
291 | BOOST_TEST( px == qx ); |
292 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
293 | |
294 | px.reset(); |
295 | BOOST_TEST( X::instances == 1 ); |
296 | } |
297 | catch( boost::bad_weak_ptr const& ) |
298 | { |
299 | BOOST_ERROR( "px->shared_from_this() failed" ); |
300 | } |
301 | } |
302 | |
303 | BOOST_TEST( X::instances == 0 ); |
304 | |
305 | return boost::report_errors(); |
306 | } |
307 | |
308 | #endif |
309 | |