| /* |
| Copyright 2020 Glen Joseph Fernandes |
| (glenjofe@gmail.com) |
| |
| Distributed under the Boost Software License, Version 1.0. |
| (http://www.boost.org/LICENSE_1_0.txt) |
| */ |
| #include <boost/core/allocator_access.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| |
| template<class T> |
| struct A1 { |
| typedef T value_type; |
| A1() { } |
| }; |
| |
| #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| template<class T> |
| struct A2 { |
| typedef T value_type; |
| A2() { } |
| template<class U, class V> |
| void construct(U* p, const V& v) { |
| ::new((void*)p) U(v + 1); |
| } |
| }; |
| #endif |
| |
| int main() |
| { |
| { |
| A1<int> a; |
| int i = 0; |
| boost::allocator_construct(a, &i, 5); |
| BOOST_TEST_EQ(i, 5); |
| } |
| #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| { |
| A1<int> a; |
| int i = 0; |
| boost::allocator_construct(a, &i, 5); |
| BOOST_TEST_EQ(i, 6); |
| } |
| #endif |
| return boost::report_errors(); |
| } |