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