| // |
| // sp_recursive_assign_rv_test.cpp |
| // |
| // Copyright 2009 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/core/lightweight_test.hpp> |
| |
| // |
| |
| class X |
| { |
| public: |
| |
| static int instances; |
| |
| X() |
| { |
| ++instances; |
| } |
| |
| ~X() |
| { |
| --instances; |
| } |
| |
| private: |
| |
| X( X const& ); |
| }; |
| |
| int X::instances = 0; |
| |
| class Y |
| { |
| public: |
| |
| static int instances; |
| |
| Y() |
| { |
| ++instances; |
| } |
| |
| ~Y() |
| { |
| --instances; |
| } |
| |
| private: |
| |
| Y( Y const& ); |
| }; |
| |
| int Y::instances = 0; |
| |
| static boost::shared_ptr<void> s_pv; |
| |
| class Z |
| { |
| public: |
| |
| static int instances; |
| |
| Z() |
| { |
| ++instances; |
| } |
| |
| ~Z() |
| { |
| --instances; |
| s_pv = boost::shared_ptr<void>( new Y ); |
| } |
| |
| private: |
| |
| Z( Z const& ); |
| }; |
| |
| int Z::instances = 0; |
| |
| int main() |
| { |
| BOOST_TEST( X::instances == 0 ); |
| BOOST_TEST( Y::instances == 0 ); |
| BOOST_TEST( Z::instances == 0 ); |
| |
| s_pv = boost::shared_ptr<void>( new Z ); |
| |
| BOOST_TEST( X::instances == 0 ); |
| BOOST_TEST( Y::instances == 0 ); |
| BOOST_TEST( Z::instances == 1 ); |
| |
| s_pv = boost::shared_ptr<void>( new X ); |
| |
| BOOST_TEST( X::instances == 0 ); |
| BOOST_TEST( Y::instances == 1 ); |
| BOOST_TEST( Z::instances == 0 ); |
| |
| s_pv = boost::shared_ptr<void>(); |
| |
| BOOST_TEST( X::instances == 0 ); |
| BOOST_TEST( Y::instances == 0 ); |
| BOOST_TEST( Z::instances == 0 ); |
| |
| return boost::report_errors(); |
| } |