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1 | // make_shared_esft_test.cpp |
2 | // | |
3 | // Copyright 2007-2009 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/detail/lightweight_test.hpp> | |
10 | #include <boost/make_shared.hpp> | |
11 | #include <boost/shared_ptr.hpp> | |
12 | #include <boost/enable_shared_from_this.hpp> | |
13 | ||
14 | class X: public boost::enable_shared_from_this<X> | |
15 | { | |
16 | private: | |
17 | ||
18 | X( X const & ); | |
19 | X & operator=( X const & ); | |
20 | ||
21 | public: | |
22 | ||
23 | static int instances; | |
24 | ||
25 | explicit X( int = 0, int = 0, int = 0, int = 0, int = 0, int = 0, int = 0, int = 0, int = 0 ) | |
26 | { | |
27 | ++instances; | |
28 | } | |
29 | ||
30 | ~X() | |
31 | { | |
32 | --instances; | |
33 | } | |
34 | }; | |
35 | ||
36 | int X::instances = 0; | |
37 | ||
38 | int main() | |
39 | { | |
40 | BOOST_TEST( X::instances == 0 ); | |
41 | ||
42 | { | |
43 | boost::shared_ptr< X > px = boost::make_shared< X >(); | |
b32b8144 FG |
44 | BOOST_TEST( px.use_count() == 1 ); |
45 | BOOST_TEST( X::instances == 1 ); | |
46 | ||
47 | try | |
48 | { | |
49 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
50 | ||
51 | BOOST_TEST( px == qx ); | |
52 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
53 | ||
54 | px.reset(); | |
55 | BOOST_TEST( X::instances == 1 ); | |
56 | } | |
57 | catch( boost::bad_weak_ptr const& ) | |
58 | { | |
59 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
60 | } | |
61 | } | |
62 | ||
63 | BOOST_TEST( X::instances == 0 ); | |
64 | ||
65 | { | |
66 | boost::shared_ptr< X > px = boost::make_shared_noinit< X >(); | |
67 | BOOST_TEST( px.use_count() == 1 ); | |
7c673cae FG |
68 | BOOST_TEST( X::instances == 1 ); |
69 | ||
70 | try | |
71 | { | |
72 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
73 | ||
74 | BOOST_TEST( px == qx ); | |
75 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
76 | ||
77 | px.reset(); | |
78 | BOOST_TEST( X::instances == 1 ); | |
79 | } | |
80 | catch( boost::bad_weak_ptr const& ) | |
81 | { | |
82 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
83 | } | |
84 | } | |
85 | ||
86 | BOOST_TEST( X::instances == 0 ); | |
87 | ||
88 | { | |
89 | boost::shared_ptr< X > px = boost::make_shared< X >( 1 ); | |
b32b8144 | 90 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
91 | BOOST_TEST( X::instances == 1 ); |
92 | ||
93 | try | |
94 | { | |
95 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
96 | ||
97 | BOOST_TEST( px == qx ); | |
98 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
99 | ||
100 | px.reset(); | |
101 | BOOST_TEST( X::instances == 1 ); | |
102 | } | |
103 | catch( boost::bad_weak_ptr const& ) | |
104 | { | |
105 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
106 | } | |
107 | } | |
108 | ||
109 | BOOST_TEST( X::instances == 0 ); | |
110 | ||
111 | { | |
112 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2 ); | |
b32b8144 | 113 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
114 | BOOST_TEST( X::instances == 1 ); |
115 | ||
116 | try | |
117 | { | |
118 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
119 | ||
120 | BOOST_TEST( px == qx ); | |
121 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
122 | ||
123 | px.reset(); | |
124 | BOOST_TEST( X::instances == 1 ); | |
125 | } | |
126 | catch( boost::bad_weak_ptr const& ) | |
127 | { | |
128 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
129 | } | |
130 | } | |
131 | ||
132 | BOOST_TEST( X::instances == 0 ); | |
133 | ||
134 | { | |
135 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3 ); | |
b32b8144 | 136 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
137 | BOOST_TEST( X::instances == 1 ); |
138 | ||
139 | try | |
140 | { | |
141 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
142 | ||
143 | BOOST_TEST( px == qx ); | |
144 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
145 | ||
146 | px.reset(); | |
147 | BOOST_TEST( X::instances == 1 ); | |
148 | } | |
149 | catch( boost::bad_weak_ptr const& ) | |
150 | { | |
151 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
152 | } | |
153 | } | |
154 | ||
155 | BOOST_TEST( X::instances == 0 ); | |
156 | ||
157 | { | |
158 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3, 4 ); | |
b32b8144 | 159 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
160 | BOOST_TEST( X::instances == 1 ); |
161 | ||
162 | try | |
163 | { | |
164 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
165 | ||
166 | BOOST_TEST( px == qx ); | |
167 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
168 | ||
169 | px.reset(); | |
170 | BOOST_TEST( X::instances == 1 ); | |
171 | } | |
172 | catch( boost::bad_weak_ptr const& ) | |
173 | { | |
174 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
175 | } | |
176 | } | |
177 | ||
178 | BOOST_TEST( X::instances == 0 ); | |
179 | ||
180 | { | |
181 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3, 4, 5 ); | |
b32b8144 | 182 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
183 | BOOST_TEST( X::instances == 1 ); |
184 | ||
185 | try | |
186 | { | |
187 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
188 | ||
189 | BOOST_TEST( px == qx ); | |
190 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
191 | ||
192 | px.reset(); | |
193 | BOOST_TEST( X::instances == 1 ); | |
194 | } | |
195 | catch( boost::bad_weak_ptr const& ) | |
196 | { | |
197 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
198 | } | |
199 | } | |
200 | ||
201 | BOOST_TEST( X::instances == 0 ); | |
202 | ||
203 | { | |
204 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3, 4, 5, 6 ); | |
b32b8144 | 205 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
206 | BOOST_TEST( X::instances == 1 ); |
207 | ||
208 | try | |
209 | { | |
210 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
211 | ||
212 | BOOST_TEST( px == qx ); | |
213 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
214 | ||
215 | px.reset(); | |
216 | BOOST_TEST( X::instances == 1 ); | |
217 | } | |
218 | catch( boost::bad_weak_ptr const& ) | |
219 | { | |
220 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
221 | } | |
222 | } | |
223 | ||
224 | BOOST_TEST( X::instances == 0 ); | |
225 | ||
226 | { | |
227 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3, 4, 5, 6, 7 ); | |
b32b8144 | 228 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
229 | BOOST_TEST( X::instances == 1 ); |
230 | ||
231 | try | |
232 | { | |
233 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
234 | ||
235 | BOOST_TEST( px == qx ); | |
236 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
237 | ||
238 | px.reset(); | |
239 | BOOST_TEST( X::instances == 1 ); | |
240 | } | |
241 | catch( boost::bad_weak_ptr const& ) | |
242 | { | |
243 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
244 | } | |
245 | } | |
246 | ||
247 | BOOST_TEST( X::instances == 0 ); | |
248 | ||
249 | { | |
250 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3, 4, 5, 6, 7, 8 ); | |
b32b8144 | 251 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
252 | BOOST_TEST( X::instances == 1 ); |
253 | ||
254 | try | |
255 | { | |
256 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
257 | ||
258 | BOOST_TEST( px == qx ); | |
259 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
260 | ||
261 | px.reset(); | |
262 | BOOST_TEST( X::instances == 1 ); | |
263 | } | |
264 | catch( boost::bad_weak_ptr const& ) | |
265 | { | |
266 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
267 | } | |
268 | } | |
269 | ||
270 | BOOST_TEST( X::instances == 0 ); | |
271 | ||
272 | { | |
273 | boost::shared_ptr< X > px = boost::make_shared< X >( 1, 2, 3, 4, 5, 6, 7, 8, 9 ); | |
b32b8144 | 274 | BOOST_TEST( px.use_count() == 1 ); |
7c673cae FG |
275 | BOOST_TEST( X::instances == 1 ); |
276 | ||
277 | try | |
278 | { | |
279 | boost::shared_ptr< X > qx = px->shared_from_this(); | |
280 | ||
281 | BOOST_TEST( px == qx ); | |
282 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); | |
283 | ||
284 | px.reset(); | |
285 | BOOST_TEST( X::instances == 1 ); | |
286 | } | |
287 | catch( boost::bad_weak_ptr const& ) | |
288 | { | |
289 | BOOST_ERROR( "px->shared_from_this() failed" ); | |
290 | } | |
291 | } | |
292 | ||
293 | BOOST_TEST( X::instances == 0 ); | |
294 | ||
295 | return boost::report_errors(); | |
296 | } |