1 | /* |
2 | Copyright 2017 Glen Joseph Fernandes |
3 | (glenjofe@gmail.com) |
4 | |
5 | Distributed under the Boost Software License, Version 1.0. |
6 | (http://www.boost.org/LICENSE_1_0.txt) |
7 | */ |
8 | #include <boost/config.hpp> |
9 | #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \ |
10 | !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
11 | #include <boost/align/is_aligned.hpp> |
12 | #include <boost/core/lightweight_test.hpp> |
13 | #include <boost/smart_ptr/make_local_shared.hpp> |
14 | #include <boost/smart_ptr/weak_ptr.hpp> |
15 | #include <boost/type_traits/alignment_of.hpp> |
16 | |
17 | template<class T = void> |
18 | struct creator { |
19 | typedef T value_type; |
20 | |
21 | template<class U> |
22 | struct rebind { |
23 | typedef creator<U> other; |
24 | }; |
25 | |
26 | creator() { } |
27 | |
28 | template<class U> |
29 | creator(const creator<U>&) { } |
30 | |
31 | T* allocate(std::size_t size) { |
32 | return static_cast<T*>(::operator new(sizeof(T) * size)); |
33 | } |
34 | |
35 | void deallocate(T* ptr, std::size_t) { |
36 | ::operator delete(ptr); |
37 | } |
38 | }; |
39 | |
40 | template<class T, class U> |
41 | inline bool |
42 | operator==(const creator<T>&, const creator<U>&) |
43 | { |
44 | return true; |
45 | } |
46 | |
47 | template<class T, class U> |
48 | inline bool |
49 | operator!=(const creator<T>&, const creator<U>&) |
50 | { |
51 | return false; |
52 | } |
53 | |
54 | class type { |
55 | public: |
56 | static unsigned instances; |
57 | |
58 | type() |
59 | : value_(0.0) { |
60 | ++instances; |
61 | } |
62 | |
63 | ~type() { |
64 | --instances; |
65 | } |
66 | |
67 | void set(long double value) { |
68 | value_ = value; |
69 | } |
70 | |
71 | long double get() const { |
72 | return value_; |
73 | } |
74 | |
75 | private: |
76 | type(const type&); |
77 | type& operator=(const type&); |
78 | |
79 | long double value_; |
80 | }; |
81 | |
82 | unsigned type::instances = 0; |
83 | |
84 | int main() |
85 | { |
86 | { |
87 | boost::local_shared_ptr<int[]> result = |
88 | boost::allocate_local_shared<int[]>(allocator: creator<int>(), count: 3); |
89 | BOOST_TEST(result.get() != 0); |
90 | BOOST_TEST(result.local_use_count() == 1); |
91 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
92 | boost::alignment_of<int>::value)); |
93 | BOOST_TEST(result[0] == 0); |
94 | BOOST_TEST(result[1] == 0); |
95 | BOOST_TEST(result[2] == 0); |
96 | } |
97 | { |
98 | boost::local_shared_ptr<int[3]> result = |
99 | boost::allocate_local_shared<int[3]>(allocator: creator<int>()); |
100 | BOOST_TEST(result.get() != 0); |
101 | BOOST_TEST(result.local_use_count() == 1); |
102 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
103 | boost::alignment_of<int>::value)); |
104 | BOOST_TEST(result[0] == 0); |
105 | BOOST_TEST(result[1] == 0); |
106 | BOOST_TEST(result[2] == 0); |
107 | } |
108 | { |
109 | boost::local_shared_ptr<int[][2]> result = |
110 | boost::allocate_local_shared<int[][2]>(allocator: creator<>(), count: 2); |
111 | BOOST_TEST(result.get() != 0); |
112 | BOOST_TEST(result.local_use_count() == 1); |
113 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
114 | boost::alignment_of<int>::value)); |
115 | BOOST_TEST(result[0][0] == 0); |
116 | BOOST_TEST(result[0][1] == 0); |
117 | BOOST_TEST(result[1][0] == 0); |
118 | BOOST_TEST(result[1][1] == 0); |
119 | } |
120 | { |
121 | boost::local_shared_ptr<int[2][2]> result = |
122 | boost::allocate_local_shared<int[2][2]>(allocator: creator<>()); |
123 | BOOST_TEST(result.get() != 0); |
124 | BOOST_TEST(result.local_use_count() == 1); |
125 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
126 | boost::alignment_of<int>::value)); |
127 | BOOST_TEST(result[0][0] == 0); |
128 | BOOST_TEST(result[0][1] == 0); |
129 | BOOST_TEST(result[1][0] == 0); |
130 | BOOST_TEST(result[1][1] == 0); |
131 | } |
132 | { |
133 | boost::local_shared_ptr<const int[]> result = |
134 | boost::allocate_local_shared<const int[]>(allocator: creator<>(), count: 3); |
135 | BOOST_TEST(result.get() != 0); |
136 | BOOST_TEST(result.local_use_count() == 1); |
137 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
138 | boost::alignment_of<int>::value)); |
139 | BOOST_TEST(result[0] == 0); |
140 | BOOST_TEST(result[1] == 0); |
141 | BOOST_TEST(result[2] == 0); |
142 | } |
143 | { |
144 | boost::local_shared_ptr<const int[3]> result = |
145 | boost::allocate_local_shared<const int[3]>(allocator: creator<>()); |
146 | BOOST_TEST(result.get() != 0); |
147 | BOOST_TEST(result.local_use_count() == 1); |
148 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
149 | boost::alignment_of<int>::value)); |
150 | BOOST_TEST(result[0] == 0); |
151 | BOOST_TEST(result[1] == 0); |
152 | BOOST_TEST(result[2] == 0); |
153 | } |
154 | { |
155 | boost::local_shared_ptr<const int[][2]> result = |
156 | boost::allocate_local_shared<const int[][2]>(allocator: creator<>(), count: 2); |
157 | BOOST_TEST(result.get() != 0); |
158 | BOOST_TEST(result.local_use_count() == 1); |
159 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
160 | boost::alignment_of<int>::value)); |
161 | BOOST_TEST(result[0][0] == 0); |
162 | BOOST_TEST(result[0][1] == 0); |
163 | BOOST_TEST(result[1][0] == 0); |
164 | BOOST_TEST(result[1][1] == 0); |
165 | } |
166 | { |
167 | boost::local_shared_ptr<const int[2][2]> result = |
168 | boost::allocate_local_shared<const int[2][2]>(allocator: creator<>()); |
169 | BOOST_TEST(result.get() != 0); |
170 | BOOST_TEST(result.local_use_count() == 1); |
171 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
172 | boost::alignment_of<int>::value)); |
173 | BOOST_TEST(result[0][0] == 0); |
174 | BOOST_TEST(result[0][1] == 0); |
175 | BOOST_TEST(result[1][0] == 0); |
176 | BOOST_TEST(result[1][1] == 0); |
177 | } |
178 | { |
179 | boost::local_shared_ptr<type[]> result = |
180 | boost::allocate_local_shared<type[]>(allocator: creator<type>(), count: 3); |
181 | BOOST_TEST(result.get() != 0); |
182 | BOOST_TEST(result.local_use_count() == 1); |
183 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
184 | boost::alignment_of<type>::value)); |
185 | BOOST_TEST(type::instances == 3); |
186 | boost::weak_ptr<type[]> w1 = result; |
187 | result.reset(); |
188 | BOOST_TEST(type::instances == 0); |
189 | } |
190 | { |
191 | boost::local_shared_ptr<type[3]> result = |
192 | boost::allocate_local_shared<type[3]>(allocator: creator<type>()); |
193 | BOOST_TEST(result.get() != 0); |
194 | BOOST_TEST(result.local_use_count() == 1); |
195 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
196 | boost::alignment_of<type>::value)); |
197 | BOOST_TEST(type::instances == 3); |
198 | boost::weak_ptr<type[3]> w1 = result; |
199 | result.reset(); |
200 | BOOST_TEST(type::instances == 0); |
201 | } |
202 | { |
203 | boost::local_shared_ptr<type[][2]> result = |
204 | boost::allocate_local_shared<type[][2]>(allocator: creator<>(), count: 2); |
205 | BOOST_TEST(result.get() != 0); |
206 | BOOST_TEST(result.local_use_count() == 1); |
207 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
208 | boost::alignment_of<type>::value)); |
209 | BOOST_TEST(type::instances == 4); |
210 | result.reset(); |
211 | BOOST_TEST(type::instances == 0); |
212 | } |
213 | { |
214 | boost::local_shared_ptr<type[2][2]> result = |
215 | boost::allocate_local_shared<type[2][2]>(allocator: creator<>()); |
216 | BOOST_TEST(result.get() != 0); |
217 | BOOST_TEST(result.local_use_count() == 1); |
218 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
219 | boost::alignment_of<type>::value)); |
220 | BOOST_TEST(type::instances == 4); |
221 | result.reset(); |
222 | BOOST_TEST(type::instances == 0); |
223 | } |
224 | { |
225 | boost::local_shared_ptr<const type[]> result = |
226 | boost::allocate_local_shared<const type[]>(allocator: creator<>(), count: 3); |
227 | BOOST_TEST(result.get() != 0); |
228 | BOOST_TEST(result.local_use_count() == 1); |
229 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
230 | boost::alignment_of<type>::value)); |
231 | BOOST_TEST(type::instances == 3); |
232 | result.reset(); |
233 | BOOST_TEST(type::instances == 0); |
234 | } |
235 | { |
236 | boost::local_shared_ptr<const type[3]> result = |
237 | boost::allocate_local_shared<const type[3]>(allocator: creator<>()); |
238 | BOOST_TEST(result.get() != 0); |
239 | BOOST_TEST(result.local_use_count() == 1); |
240 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
241 | boost::alignment_of<type>::value)); |
242 | BOOST_TEST(type::instances == 3); |
243 | result.reset(); |
244 | BOOST_TEST(type::instances == 0); |
245 | } |
246 | { |
247 | boost::local_shared_ptr<const type[][2]> result = |
248 | boost::allocate_local_shared<const type[][2]>(allocator: creator<>(), count: 2); |
249 | BOOST_TEST(result.get() != 0); |
250 | BOOST_TEST(result.local_use_count() == 1); |
251 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
252 | boost::alignment_of<type>::value)); |
253 | BOOST_TEST(type::instances == 4); |
254 | result.reset(); |
255 | BOOST_TEST(type::instances == 0); |
256 | } |
257 | { |
258 | boost::local_shared_ptr<const type[2][2]> result = |
259 | boost::allocate_local_shared<const type[2][2]>(allocator: creator<>()); |
260 | BOOST_TEST(result.get() != 0); |
261 | BOOST_TEST(result.local_use_count() == 1); |
262 | BOOST_TEST(boost::alignment::is_aligned(result.get(), |
263 | boost::alignment_of<type>::value)); |
264 | BOOST_TEST(type::instances == 4); |
265 | result.reset(); |
266 | BOOST_TEST(type::instances == 0); |
267 | } |
268 | return boost::report_errors(); |
269 | } |
270 | #else |
271 | int main() |
272 | { |
273 | return 0; |
274 | } |
275 | #endif |
276 | |