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1 | /* |
2 | Copyright 2019 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_LIBSTDCXX_VERSION) || \ | |
10 | BOOST_LIBSTDCXX_VERSION >= 48000) && \ | |
11 | !defined(BOOST_NO_CXX11_SMART_PTR) | |
12 | #include <boost/smart_ptr/allocate_unique.hpp> | |
13 | #include <boost/core/lightweight_test.hpp> | |
14 | ||
15 | template<class T = void> | |
16 | struct creator { | |
17 | typedef T value_type; | |
18 | typedef T* pointer; | |
19 | ||
20 | template<class U> | |
21 | struct rebind { | |
22 | typedef creator<U> other; | |
23 | }; | |
24 | ||
25 | creator() { } | |
26 | ||
27 | template<class U> | |
28 | creator(const creator<U>&) { } | |
29 | ||
30 | T* allocate(std::size_t size) { | |
31 | return static_cast<T*>(::operator new(sizeof(T) * size)); | |
32 | } | |
33 | ||
34 | void deallocate(T* ptr, std::size_t) { | |
35 | ::operator delete(ptr); | |
36 | } | |
37 | }; | |
38 | ||
39 | template<class T, class U> | |
40 | inline bool | |
41 | operator==(const creator<T>&, const creator<U>&) | |
42 | { | |
43 | return true; | |
44 | } | |
45 | ||
46 | template<class T, class U> | |
47 | inline bool | |
48 | operator!=(const creator<T>&, const creator<U>&) | |
49 | { | |
50 | return false; | |
51 | } | |
52 | ||
53 | class type { | |
54 | public: | |
55 | static unsigned instances; | |
56 | ||
57 | type() | |
58 | : value_(0.0) { | |
59 | ++instances; | |
60 | } | |
61 | ||
62 | ~type() { | |
63 | --instances; | |
64 | } | |
65 | ||
66 | void set(long double value) { | |
67 | value_ = value; | |
68 | } | |
69 | ||
70 | long double get() const { | |
71 | return value_; | |
72 | } | |
73 | ||
74 | private: | |
75 | type(const type&); | |
76 | type& operator=(const type&); | |
77 | ||
78 | long double value_; | |
79 | }; | |
80 | ||
81 | unsigned type::instances = 0; | |
82 | ||
83 | int main() | |
84 | { | |
85 | { | |
86 | std::unique_ptr<int[], | |
87 | boost::alloc_deleter<int[], | |
88 | boost::noinit_adaptor<creator<int> > > > result = | |
89 | boost::allocate_unique_noinit<int[]>(creator<int>(), 3); | |
90 | BOOST_TEST(result.get() != 0); | |
91 | } | |
92 | { | |
93 | std::unique_ptr<int[], | |
94 | boost::alloc_deleter<int[3], | |
95 | boost::noinit_adaptor<creator<int> > > > result = | |
96 | boost::allocate_unique_noinit<int[3]>(creator<int>()); | |
97 | BOOST_TEST(result.get() != 0); | |
98 | } | |
99 | { | |
100 | std::unique_ptr<int[][2], | |
101 | boost::alloc_deleter<int[][2], | |
102 | boost::noinit_adaptor<creator<> > > > result = | |
103 | boost::allocate_unique_noinit<int[][2]>(creator<>(), 2); | |
104 | BOOST_TEST(result.get() != 0); | |
105 | } | |
106 | { | |
107 | std::unique_ptr<int[][2], | |
108 | boost::alloc_deleter<int[2][2], | |
109 | boost::noinit_adaptor<creator<> > > > result = | |
110 | boost::allocate_unique_noinit<int[2][2]>(creator<>()); | |
111 | BOOST_TEST(result.get() != 0); | |
112 | } | |
113 | { | |
114 | std::unique_ptr<const int[], | |
115 | boost::alloc_deleter<const int[], | |
116 | boost::noinit_adaptor<creator<> > > > result = | |
117 | boost::allocate_unique_noinit<const int[]>(creator<>(), 3); | |
118 | BOOST_TEST(result.get() != 0); | |
119 | } | |
120 | { | |
121 | std::unique_ptr<const int[], | |
122 | boost::alloc_deleter<const int[3], | |
123 | boost::noinit_adaptor<creator<> > > > result = | |
124 | boost::allocate_unique_noinit<const int[3]>(creator<>()); | |
125 | BOOST_TEST(result.get() != 0); | |
126 | } | |
127 | { | |
128 | std::unique_ptr<const int[][2], | |
129 | boost::alloc_deleter<const int[][2], | |
130 | boost::noinit_adaptor<creator<> > > > result = | |
131 | boost::allocate_unique_noinit<const int[][2]>(creator<>(), 2); | |
132 | BOOST_TEST(result.get() != 0); | |
133 | } | |
134 | { | |
135 | std::unique_ptr<const int[][2], | |
136 | boost::alloc_deleter<const int[2][2], | |
137 | boost::noinit_adaptor<creator<> > > > result = | |
138 | boost::allocate_unique_noinit<const int[2][2]>(creator<>()); | |
139 | BOOST_TEST(result.get() != 0); | |
140 | } | |
141 | { | |
142 | std::unique_ptr<type[], | |
143 | boost::alloc_deleter<type[], | |
144 | boost::noinit_adaptor<creator<type> > > > result = | |
145 | boost::allocate_unique_noinit<type[]>(creator<type>(), 3); | |
146 | BOOST_TEST(result.get() != 0); | |
147 | BOOST_TEST(type::instances == 3); | |
148 | result.reset(); | |
149 | BOOST_TEST(type::instances == 0); | |
150 | } | |
151 | { | |
152 | std::unique_ptr<type[], | |
153 | boost::alloc_deleter<type[3], | |
154 | boost::noinit_adaptor<creator<type> > > > result = | |
155 | boost::allocate_unique_noinit<type[3]>(creator<type>()); | |
156 | BOOST_TEST(result.get() != 0); | |
157 | BOOST_TEST(type::instances == 3); | |
158 | result.reset(); | |
159 | BOOST_TEST(type::instances == 0); | |
160 | } | |
161 | { | |
162 | std::unique_ptr<type[][2], | |
163 | boost::alloc_deleter<type[][2], | |
164 | boost::noinit_adaptor<creator<> > > > result = | |
165 | boost::allocate_unique_noinit<type[][2]>(creator<>(), 2); | |
166 | BOOST_TEST(result.get() != 0); | |
167 | BOOST_TEST(type::instances == 4); | |
168 | result.reset(); | |
169 | BOOST_TEST(type::instances == 0); | |
170 | } | |
171 | { | |
172 | std::unique_ptr<type[][2], | |
173 | boost::alloc_deleter<type[2][2], | |
174 | boost::noinit_adaptor<creator<> > > > result = | |
175 | boost::allocate_unique_noinit<type[2][2]>(creator<>()); | |
176 | BOOST_TEST(result.get() != 0); | |
177 | BOOST_TEST(type::instances == 4); | |
178 | result.reset(); | |
179 | BOOST_TEST(type::instances == 0); | |
180 | } | |
181 | { | |
182 | std::unique_ptr<const type[], | |
183 | boost::alloc_deleter<const type[], | |
184 | boost::noinit_adaptor<creator<> > > > result = | |
185 | boost::allocate_unique_noinit<const type[]>(creator<>(), 3); | |
186 | BOOST_TEST(result.get() != 0); | |
187 | BOOST_TEST(type::instances == 3); | |
188 | result.reset(); | |
189 | BOOST_TEST(type::instances == 0); | |
190 | } | |
191 | { | |
192 | std::unique_ptr<const type[], | |
193 | boost::alloc_deleter<const type[3], | |
194 | boost::noinit_adaptor<creator<> > > > result = | |
195 | boost::allocate_unique_noinit<const type[3]>(creator<>()); | |
196 | BOOST_TEST(result.get() != 0); | |
197 | BOOST_TEST(type::instances == 3); | |
198 | result.reset(); | |
199 | BOOST_TEST(type::instances == 0); | |
200 | } | |
201 | { | |
202 | std::unique_ptr<const type[][2], | |
203 | boost::alloc_deleter<const type[][2], | |
204 | boost::noinit_adaptor<creator<> > > > result = | |
205 | boost::allocate_unique_noinit<const type[][2]>(creator<>(), 2); | |
206 | BOOST_TEST(result.get() != 0); | |
207 | BOOST_TEST(type::instances == 4); | |
208 | result.reset(); | |
209 | BOOST_TEST(type::instances == 0); | |
210 | } | |
211 | { | |
212 | std::unique_ptr<const type[][2], | |
213 | boost::alloc_deleter<const type[2][2], | |
214 | boost::noinit_adaptor<creator<> > > > result = | |
215 | boost::allocate_unique_noinit<const type[2][2]>(creator<>()); | |
216 | BOOST_TEST(result.get() != 0); | |
217 | BOOST_TEST(type::instances == 4); | |
218 | result.reset(); | |
219 | BOOST_TEST(type::instances == 0); | |
220 | } | |
221 | return boost::report_errors(); | |
222 | } | |
223 | #else | |
224 | int main() | |
225 | { | |
226 | return 0; | |
227 | } | |
228 | #endif |