| /* |
| Copyright 2019 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/config.hpp> |
| #if (!defined(BOOST_LIBSTDCXX_VERSION) || \ |
| BOOST_LIBSTDCXX_VERSION >= 46000) && \ |
| !defined(BOOST_NO_CXX11_SMART_PTR) && \ |
| !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) |
| #include <boost/smart_ptr/allocate_unique.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| |
| template<class T = void> |
| struct creator { |
| typedef T value_type; |
| typedef T* pointer; |
| |
| template<class U> |
| struct rebind { |
| typedef creator<U> other; |
| }; |
| |
| creator() { } |
| |
| template<class U> |
| creator(const creator<U>&) { } |
| |
| T* allocate(std::size_t size) { |
| return static_cast<T*>(::operator new(sizeof(T) * size)); |
| } |
| |
| void deallocate(T* ptr, std::size_t) { |
| ::operator delete(ptr); |
| } |
| }; |
| |
| template<class T, class U> |
| inline bool |
| operator==(const creator<T>&, const creator<U>&) |
| { |
| return true; |
| } |
| |
| template<class T, class U> |
| inline bool |
| operator!=(const creator<T>&, const creator<U>&) |
| { |
| return false; |
| } |
| |
| struct type { |
| int x; |
| int y; |
| }; |
| |
| int main() |
| { |
| { |
| std::unique_ptr<type, |
| boost::alloc_deleter<type, creator<type> > > result = |
| boost::allocate_unique<type>(creator<type>(), { 1, 2 }); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result->x == 1); |
| BOOST_TEST(result->y == 2); |
| } |
| { |
| std::unique_ptr<const type, |
| boost::alloc_deleter<const type, creator<> > > result = |
| boost::allocate_unique<const type>(creator<>(), { 1, 2 }); |
| BOOST_TEST(result.get() != 0); |
| BOOST_TEST(result->x == 1); |
| BOOST_TEST(result->y == 2); |
| } |
| return boost::report_errors(); |
| } |
| #else |
| int main() |
| { |
| return 0; |
| } |
| #endif |