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 >= 46000) && \ |
11 | !defined(BOOST_NO_CXX11_SMART_PTR) && \ |
12 | !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) |
13 | #include <boost/smart_ptr/allocate_unique.hpp> |
14 | #include <boost/core/lightweight_test.hpp> |
15 | |
16 | template<class T = void> |
17 | struct creator { |
18 | typedef T value_type; |
19 | typedef T* pointer; |
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 | struct type { |
55 | int x; |
56 | int y; |
57 | }; |
58 | |
59 | int main() |
60 | { |
61 | { |
62 | std::unique_ptr<type, |
63 | boost::alloc_deleter<type, creator<type> > > result = |
64 | boost::allocate_unique<type>(alloc: creator<type>(), value: { .x: 1, .y: 2 }); |
65 | BOOST_TEST(result.get() != 0); |
66 | BOOST_TEST(result->x == 1); |
67 | BOOST_TEST(result->y == 2); |
68 | } |
69 | { |
70 | std::unique_ptr<const type, |
71 | boost::alloc_deleter<const type, creator<> > > result = |
72 | boost::allocate_unique<const type>(alloc: creator<>(), value: { .x: 1, .y: 2 }); |
73 | BOOST_TEST(result.get() != 0); |
74 | BOOST_TEST(result->x == 1); |
75 | BOOST_TEST(result->y == 2); |
76 | } |
77 | return boost::report_errors(); |
78 | } |
79 | #else |
80 | int main() |
81 | { |
82 | return 0; |
83 | } |
84 | #endif |
85 | |