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//
// shared_ptr_move_test.cpp
//
// Copyright (c) 2007 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>
struct X
{
static long instances;
X()
{
++instances;
}
~X()
{
--instances;
}
private:
X( X const & );
X & operator=( X const & );
};
long X::instances = 0;
int main()
{
BOOST_TEST( X::instances == 0 );
{
boost::shared_ptr<X> p( new X );
BOOST_TEST( X::instances == 1 );
boost::shared_ptr<X> p2( static_cast< boost::shared_ptr<X> && >( p ) );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( p.get() == 0 );
boost::shared_ptr<void> p3( static_cast< boost::shared_ptr<X> && >( p2 ) );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( p2.get() == 0 );
p3.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X> p( new X );
BOOST_TEST( X::instances == 1 );
boost::shared_ptr<X> p2;
p2 = static_cast< boost::shared_ptr<X> && >( p );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( p.get() == 0 );
boost::shared_ptr<void> p3;
p3 = static_cast< boost::shared_ptr<X> && >( p2 );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( p2.get() == 0 );
p3.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X> p( new X );
BOOST_TEST( X::instances == 1 );
boost::shared_ptr<X> p2( new X );
BOOST_TEST( X::instances == 2 );
p2 = static_cast< boost::shared_ptr<X> && >( p );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( p.get() == 0 );
boost::shared_ptr<void> p3( new X );
BOOST_TEST( X::instances == 2 );
p3 = static_cast< boost::shared_ptr<X> && >( p2 );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( p2.get() == 0 );
p3.reset();
BOOST_TEST( X::instances == 0 );
}
return boost::report_errors();
}
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