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// Copyright 2011, 2020 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/intrusive_ptr.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config.hpp>
#include <functional>
#if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
int main() {}
#else
class base
{
private:
int use_count_;
base(base const &);
base & operator=(base const &);
protected:
base(): use_count_(0)
{
}
virtual ~base()
{
}
public:
long use_count() const
{
return use_count_;
}
inline friend void intrusive_ptr_add_ref(base * p)
{
++p->use_count_;
}
inline friend void intrusive_ptr_release(base * p)
{
if(--p->use_count_ == 0) delete p;
}
};
struct X: public base
{
};
int main()
{
boost::intrusive_ptr<X> p1, p2( new X );
BOOST_TEST_EQ( std::hash< boost::intrusive_ptr<X> >()( p1 ), std::hash< X* >()( p1.get() ) );
BOOST_TEST_EQ( std::hash< boost::intrusive_ptr<X> >()( p2 ), std::hash< X* >()( p2.get() ) );
return boost::report_errors();
}
#endif // #if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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