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//
// 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();
}
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