| 1 | /* |
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| 2 | Copyright 2019 Glen Joseph Fernandes |
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| 3 | (glenjofe@gmail.com) |
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| 4 | |
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| 5 | Distributed under the Boost Software License, Version 1.0. |
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| 6 | (http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | */ |
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| 8 | #include <boost/config.hpp> |
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| 9 | #if (!defined(BOOST_LIBSTDCXX_VERSION) || \ |
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| 10 | BOOST_LIBSTDCXX_VERSION >= 48000) && \ |
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| 11 | !defined(BOOST_NO_CXX11_SMART_PTR) |
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| 12 | #include <boost/smart_ptr/allocate_unique.hpp> |
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| 13 | #include <boost/core/lightweight_test.hpp> |
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| 14 | |
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| 15 | template<class T = void> |
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| 16 | struct creator { |
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| 17 | typedef T value_type; |
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| 18 | typedef T* pointer; |
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| 19 | |
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| 20 | template<class U> |
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| 21 | struct rebind { |
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| 22 | typedef creator<U> other; |
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| 23 | }; |
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| 24 | |
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| 25 | creator() { } |
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| 26 | |
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| 27 | template<class U> |
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| 28 | creator(const creator<U>&) { } |
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| 29 | |
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| 30 | T* allocate(std::size_t size) { |
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| 31 | return static_cast<T*>(::operator new(sizeof(T) * size)); |
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| 32 | } |
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| 33 | |
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| 34 | void deallocate(T* ptr, std::size_t) { |
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| 35 | ::operator delete(ptr); |
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| 36 | } |
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| 37 | }; |
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| 38 | |
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| 39 | template<class T, class U> |
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| 40 | inline bool |
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| 41 | operator==(const creator<T>&, const creator<U>&) |
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| 42 | { |
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| 43 | return true; |
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| 44 | } |
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| 45 | |
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| 46 | template<class T, class U> |
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| 47 | inline bool |
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| 48 | operator!=(const creator<T>&, const creator<U>&) |
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| 49 | { |
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| 50 | return false; |
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| 51 | } |
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| 52 | |
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| 53 | int main() |
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| 54 | { |
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| 55 | { |
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| 56 | std::unique_ptr<int[], |
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| 57 | boost::alloc_deleter<int[], creator<int> > > result = |
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| 58 | boost::allocate_unique<int[]>(alloc: creator<int>(), size: 4, value: 1); |
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| 59 | BOOST_TEST(result[0] == 1); |
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| 60 | BOOST_TEST(result[1] == 1); |
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| 61 | BOOST_TEST(result[2] == 1); |
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| 62 | BOOST_TEST(result[3] == 1); |
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| 63 | } |
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| 64 | { |
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| 65 | std::unique_ptr<int[], |
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| 66 | boost::alloc_deleter<int[4], creator<int> > > result = |
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| 67 | boost::allocate_unique<int[4]>(alloc: creator<int>(), value: 1); |
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| 68 | BOOST_TEST(result[0] == 1); |
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| 69 | BOOST_TEST(result[1] == 1); |
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| 70 | BOOST_TEST(result[2] == 1); |
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| 71 | BOOST_TEST(result[3] == 1); |
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| 72 | } |
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| 73 | { |
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| 74 | std::unique_ptr<const int[], |
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| 75 | boost::alloc_deleter<const int[], creator<> > > result = |
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| 76 | boost::allocate_unique<const int[]>(alloc: creator<>(), size: 4, value: 1); |
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| 77 | BOOST_TEST(result[0] == 1); |
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| 78 | BOOST_TEST(result[1] == 1); |
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| 79 | BOOST_TEST(result[2] == 1); |
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| 80 | BOOST_TEST(result[3] == 1); |
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| 81 | } |
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| 82 | { |
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| 83 | std::unique_ptr<const int[], |
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| 84 | boost::alloc_deleter<const int[4], creator<> > > result = |
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| 85 | boost::allocate_unique<const int[4]>(alloc: creator<>(), value: 1); |
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| 86 | BOOST_TEST(result[0] == 1); |
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| 87 | BOOST_TEST(result[1] == 1); |
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| 88 | BOOST_TEST(result[2] == 1); |
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| 89 | BOOST_TEST(result[3] == 1); |
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| 90 | } |
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| 91 | return boost::report_errors(); |
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| 92 | } |
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| 93 | #else |
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| 94 | int main() |
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| 95 | { |
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| 96 | return 0; |
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| 97 | } |
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| 98 | #endif |
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| 99 | |
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