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- #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/detail/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();
- }
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