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 | int main() |
54 | { |
55 | { |
56 | std::unique_ptr<int[], |
57 | boost::alloc_deleter<int[], creator<int> > > result = |
58 | boost::allocate_unique<int[]>(alloc: creator<int>(), size: 4, value: 1); |
59 | BOOST_TEST(result[0] == 1); |
60 | BOOST_TEST(result[1] == 1); |
61 | BOOST_TEST(result[2] == 1); |
62 | BOOST_TEST(result[3] == 1); |
63 | } |
64 | { |
65 | std::unique_ptr<int[], |
66 | boost::alloc_deleter<int[4], creator<int> > > result = |
67 | boost::allocate_unique<int[4]>(alloc: creator<int>(), value: 1); |
68 | BOOST_TEST(result[0] == 1); |
69 | BOOST_TEST(result[1] == 1); |
70 | BOOST_TEST(result[2] == 1); |
71 | BOOST_TEST(result[3] == 1); |
72 | } |
73 | { |
74 | std::unique_ptr<const int[], |
75 | boost::alloc_deleter<const int[], creator<> > > result = |
76 | boost::allocate_unique<const int[]>(alloc: creator<>(), size: 4, value: 1); |
77 | BOOST_TEST(result[0] == 1); |
78 | BOOST_TEST(result[1] == 1); |
79 | BOOST_TEST(result[2] == 1); |
80 | BOOST_TEST(result[3] == 1); |
81 | } |
82 | { |
83 | std::unique_ptr<const int[], |
84 | boost::alloc_deleter<const int[4], creator<> > > result = |
85 | boost::allocate_unique<const int[4]>(alloc: creator<>(), value: 1); |
86 | BOOST_TEST(result[0] == 1); |
87 | BOOST_TEST(result[1] == 1); |
88 | BOOST_TEST(result[2] == 1); |
89 | BOOST_TEST(result[3] == 1); |
90 | } |
91 | return boost::report_errors(); |
92 | } |
93 | #else |
94 | int main() |
95 | { |
96 | return 0; |
97 | } |
98 | #endif |
99 | |