| // |
| // auto_ptr_rv_test.cpp |
| // |
| // Copyright (c) 2006 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/shared_ptr.hpp> |
| #include <boost/detail/lightweight_test.hpp> |
| #include <memory> |
| |
| struct X |
| { |
| static long instances; |
| |
| X() |
| { |
| ++instances; |
| } |
| |
| ~X() |
| { |
| --instances; |
| } |
| |
| static std::auto_ptr<X> create() |
| { |
| return std::auto_ptr<X>( new X ); |
| } |
| |
| private: |
| |
| X( X const & ); |
| X & operator=( X const & ); |
| }; |
| |
| long X::instances = 0; |
| |
| int main() |
| { |
| BOOST_TEST( X::instances == 0 ); |
| |
| { |
| boost::shared_ptr<X> p( X::create() ); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p.reset(); |
| BOOST_TEST( X::instances == 0 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| } |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| { |
| boost::shared_ptr<X const> p( X::create() ); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p.reset(); |
| BOOST_TEST( X::instances == 0 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| } |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| { |
| boost::shared_ptr<void> p( X::create() ); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p.reset(); |
| BOOST_TEST( X::instances == 0 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| } |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| { |
| boost::shared_ptr<void const> p( X::create() ); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| |
| p.reset(); |
| BOOST_TEST( X::instances == 0 ); |
| |
| p = X::create(); |
| BOOST_TEST( X::instances == 1 ); |
| } |
| |
| BOOST_TEST( X::instances == 0 ); |
| |
| return boost::report_errors(); |
| } |