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//
// weak_from_this_test2.cpp
//
// Tests weak_from_this in a destructor
//
// Copyright (c) 2014, 2015 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/smart_ptr/enable_shared_from_this.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/core/lightweight_test.hpp>
class X: public boost::enable_shared_from_this< X >
{
private:
boost::weak_ptr<X> px_;
public:
X()
{
boost::weak_ptr<X> p1 = weak_from_this();
BOOST_TEST( p1._empty() );
BOOST_TEST( p1.expired() );
}
void check()
{
boost::weak_ptr<X> p2 = weak_from_this();
BOOST_TEST( !p2.expired() );
BOOST_TEST( p2.lock().get() == this );
px_ = p2;
}
~X()
{
boost::weak_ptr<X> p3 = weak_from_this();
BOOST_TEST( p3.expired() );
BOOST_TEST( !(px_ < p3) && !(p3 < px_) );
}
};
int main()
{
{
boost::shared_ptr< X > px( new X );
px->check();
}
return boost::report_errors();
}
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