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1 | // allocate_shared_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/core/lightweight_test.hpp> | |
10 | #include <boost/make_shared.hpp> | |
11 | #include <boost/shared_ptr.hpp> | |
12 | #include <boost/weak_ptr.hpp> | |
13 | #include <cstddef> | |
14 | ||
15 | class X | |
16 | { | |
17 | private: | |
18 | ||
19 | X( X const & ); | |
20 | X & operator=( X const & ); | |
21 | ||
22 | void * operator new( std::size_t n ) | |
23 | { | |
24 | // lack of this definition causes link errors on Comeau C++ | |
25 | BOOST_ERROR( "private X::new called" ); | |
26 | return ::operator new( n ); | |
27 | } | |
28 | ||
29 | void operator delete( void * p ) | |
30 | { | |
31 | // lack of this definition causes link errors on MSVC | |
32 | BOOST_ERROR( "private X::delete called" ); | |
33 | ::operator delete( p ); | |
34 | } | |
35 | ||
36 | public: | |
37 | ||
38 | static int instances; | |
39 | ||
40 | int v; | |
41 | ||
42 | 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 ) | |
43 | { | |
44 | ++instances; | |
45 | } | |
46 | ||
47 | ~X() | |
48 | { | |
49 | --instances; | |
50 | } | |
51 | }; | |
52 | ||
53 | int X::instances = 0; | |
54 | ||
55 | int main() | |
56 | { | |
57 | { | |
58 | boost::shared_ptr< int > pi = boost::allocate_shared< int >( std::allocator<int>() ); | |
59 | ||
60 | BOOST_TEST( pi.get() != 0 ); | |
61 | BOOST_TEST( *pi == 0 ); | |
62 | } | |
63 | ||
64 | { | |
65 | boost::shared_ptr< int > pi = boost::allocate_shared_noinit< int >( std::allocator<int>() ); | |
66 | ||
67 | BOOST_TEST( pi.get() != 0 ); | |
68 | } | |
69 | ||
70 | { | |
71 | boost::shared_ptr< int > pi = boost::allocate_shared< int >( std::allocator<int>(), 5 ); | |
72 | ||
73 | BOOST_TEST( pi.get() != 0 ); | |
74 | BOOST_TEST( *pi == 5 ); | |
75 | } | |
76 | ||
77 | BOOST_TEST( X::instances == 0 ); | |
78 | ||
79 | { | |
80 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>() ); | |
81 | boost::weak_ptr<X> wp( pi ); | |
82 | ||
83 | BOOST_TEST( X::instances == 1 ); | |
84 | BOOST_TEST( pi.get() != 0 ); | |
85 | BOOST_TEST( pi->v == 0 ); | |
86 | ||
87 | pi.reset(); | |
88 | ||
89 | BOOST_TEST( X::instances == 0 ); | |
90 | } | |
91 | ||
92 | { | |
93 | boost::shared_ptr< X > pi = boost::allocate_shared_noinit< X >( std::allocator<void>() ); | |
94 | boost::weak_ptr<X> wp( pi ); | |
95 | ||
96 | BOOST_TEST( X::instances == 1 ); | |
97 | BOOST_TEST( pi.get() != 0 ); | |
98 | BOOST_TEST( pi->v == 0 ); | |
99 | ||
100 | pi.reset(); | |
101 | ||
102 | BOOST_TEST( X::instances == 0 ); | |
103 | } | |
104 | ||
105 | { | |
106 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1 ); | |
107 | boost::weak_ptr<X> wp( pi ); | |
108 | ||
109 | BOOST_TEST( X::instances == 1 ); | |
110 | BOOST_TEST( pi.get() != 0 ); | |
111 | BOOST_TEST( pi->v == 1 ); | |
112 | ||
113 | pi.reset(); | |
114 | ||
115 | BOOST_TEST( X::instances == 0 ); | |
116 | } | |
117 | ||
118 | { | |
119 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2 ); | |
120 | boost::weak_ptr<X> wp( pi ); | |
121 | ||
122 | BOOST_TEST( X::instances == 1 ); | |
123 | BOOST_TEST( pi.get() != 0 ); | |
124 | BOOST_TEST( pi->v == 1+2 ); | |
125 | ||
126 | pi.reset(); | |
127 | ||
128 | BOOST_TEST( X::instances == 0 ); | |
129 | } | |
130 | ||
131 | { | |
132 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3 ); | |
133 | boost::weak_ptr<X> wp( pi ); | |
134 | ||
135 | BOOST_TEST( X::instances == 1 ); | |
136 | BOOST_TEST( pi.get() != 0 ); | |
137 | BOOST_TEST( pi->v == 1+2+3 ); | |
138 | ||
139 | pi.reset(); | |
140 | ||
141 | BOOST_TEST( X::instances == 0 ); | |
142 | } | |
143 | ||
144 | { | |
145 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3, 4 ); | |
146 | boost::weak_ptr<X> wp( pi ); | |
147 | ||
148 | BOOST_TEST( X::instances == 1 ); | |
149 | BOOST_TEST( pi.get() != 0 ); | |
150 | BOOST_TEST( pi->v == 1+2+3+4 ); | |
151 | ||
152 | pi.reset(); | |
153 | ||
154 | BOOST_TEST( X::instances == 0 ); | |
155 | } | |
156 | ||
157 | { | |
158 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3, 4, 5 ); | |
159 | boost::weak_ptr<X> wp( pi ); | |
160 | ||
161 | BOOST_TEST( X::instances == 1 ); | |
162 | BOOST_TEST( pi.get() != 0 ); | |
163 | BOOST_TEST( pi->v == 1+2+3+4+5 ); | |
164 | ||
165 | pi.reset(); | |
166 | ||
167 | BOOST_TEST( X::instances == 0 ); | |
168 | } | |
169 | ||
170 | { | |
171 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3, 4, 5, 6 ); | |
172 | boost::weak_ptr<X> wp( pi ); | |
173 | ||
174 | BOOST_TEST( X::instances == 1 ); | |
175 | BOOST_TEST( pi.get() != 0 ); | |
176 | BOOST_TEST( pi->v == 1+2+3+4+5+6 ); | |
177 | ||
178 | pi.reset(); | |
179 | ||
180 | BOOST_TEST( X::instances == 0 ); | |
181 | } | |
182 | ||
183 | { | |
184 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3, 4, 5, 6, 7 ); | |
185 | boost::weak_ptr<X> wp( pi ); | |
186 | ||
187 | BOOST_TEST( X::instances == 1 ); | |
188 | BOOST_TEST( pi.get() != 0 ); | |
189 | BOOST_TEST( pi->v == 1+2+3+4+5+6+7 ); | |
190 | ||
191 | pi.reset(); | |
192 | ||
193 | BOOST_TEST( X::instances == 0 ); | |
194 | } | |
195 | ||
196 | { | |
197 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3, 4, 5, 6, 7, 8 ); | |
198 | boost::weak_ptr<X> wp( pi ); | |
199 | ||
200 | BOOST_TEST( X::instances == 1 ); | |
201 | BOOST_TEST( pi.get() != 0 ); | |
202 | BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8 ); | |
203 | ||
204 | pi.reset(); | |
205 | ||
206 | BOOST_TEST( X::instances == 0 ); | |
207 | } | |
208 | ||
209 | { | |
210 | boost::shared_ptr< X > pi = boost::allocate_shared< X >( std::allocator<void>(), 1, 2, 3, 4, 5, 6, 7, 8, 9 ); | |
211 | boost::weak_ptr<X> wp( pi ); | |
212 | ||
213 | BOOST_TEST( X::instances == 1 ); | |
214 | BOOST_TEST( pi.get() != 0 ); | |
215 | BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8+9 ); | |
216 | ||
217 | pi.reset(); | |
218 | ||
219 | BOOST_TEST( X::instances == 0 ); | |
220 | } | |
221 | ||
222 | return boost::report_errors(); | |
223 | } |