| #include <boost/config.hpp> |
| |
| // shared_ptr_alloc3_test.cpp |
| // |
| // Copyright (c) 2005, 2014 Peter Dimov |
| // |
| // Distributed under the Boost Software License, Version 1.0. |
| // See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt |
| |
| |
| #include <boost/core/lightweight_test.hpp> |
| #include <boost/shared_ptr.hpp> |
| #include <memory> |
| #include <cstddef> |
| |
| // |
| |
| struct D; |
| |
| struct X |
| { |
| static int instances; |
| |
| X(): deleted_( false ) |
| { |
| ++instances; |
| } |
| |
| ~X() |
| { |
| BOOST_TEST( deleted_ ); |
| --instances; |
| } |
| |
| private: |
| |
| friend struct D; |
| |
| bool deleted_; |
| |
| X( X const & ); |
| X & operator=( X const & ); |
| }; |
| |
| int X::instances = 0; |
| |
| struct D |
| { |
| void operator()( X * px ) const |
| { |
| px->deleted_ = true; |
| delete px; |
| } |
| }; |
| |
| int main() |
| { |
| BOOST_TEST( X::instances == 0 ); |
| |
| boost::shared_ptr<void> pv( new X, D(), std::allocator<X>() ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| |
| pv.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| pv.reset( new X, D(), std::allocator<void>() ); |
| |
| BOOST_TEST( X::instances == 1 ); |
| |
| pv.reset(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| return boost::report_errors(); |
| } |