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[]>(alloc: creator<int>(), size: 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]>(alloc: 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]>(alloc: creator<>(), size: 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]>(alloc: 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[]>(alloc: creator<>(), size: 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]>(alloc: 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]>(alloc: creator<>(), size: 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]>(alloc: 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[]>(alloc: creator<type>(), size: 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]>(alloc: 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]>(alloc: creator<>(), size: 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]>(alloc: 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[]>(alloc: creator<>(), size: 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]>(alloc: 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]>(alloc: creator<>(), size: 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]>(alloc: 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 |
229 | |