| 1 | /* |
|---|---|
| 2 | Copyright 2020 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/core/allocator_access.hpp> |
| 9 | #include <boost/core/lightweight_test.hpp> |
| 10 | |
| 11 | template<class T> |
| 12 | struct A1 { |
| 13 | typedef T value_type; |
| 14 | A1() { } |
| 15 | }; |
| 16 | |
| 17 | #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| 18 | template<class T> |
| 19 | struct A2 { |
| 20 | typedef T value_type; |
| 21 | A2() { } |
| 22 | template<class U, class V> |
| 23 | void construct(U* p, const V& v) { |
| 24 | ::new((void*)p) U(v + 1); |
| 25 | } |
| 26 | }; |
| 27 | #endif |
| 28 | |
| 29 | int main() |
| 30 | { |
| 31 | { |
| 32 | A1<int> a; |
| 33 | int i = 0; |
| 34 | boost::allocator_construct(a, p: &i, args: 5); |
| 35 | BOOST_TEST_EQ(i, 5); |
| 36 | } |
| 37 | #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| 38 | { |
| 39 | A2<int> a; |
| 40 | int i = 0; |
| 41 | boost::allocator_construct(a, p: &i, args: 5); |
| 42 | BOOST_TEST_EQ(i, 6); |
| 43 | } |
| 44 | #endif |
| 45 | return boost::report_errors(); |
| 46 | } |
| 47 |