123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475 |
- //
- // ip_hash_test.cpp
- //
- // Copyright 2011 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/intrusive_ptr.hpp>
- #include <boost/functional/hash.hpp>
- #include <boost/detail/lightweight_test.hpp>
- 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::hash< boost::intrusive_ptr<X> > hasher;
- boost::intrusive_ptr<X> p1, p2( p1 ), p3( new X ), p4( p3 ), p5( new X );
- BOOST_TEST_EQ( p1, p2 );
- BOOST_TEST_EQ( hasher( p1 ), hasher( p2 ) );
- BOOST_TEST_NE( p1, p3 );
- BOOST_TEST_NE( hasher( p1 ), hasher( p3 ) );
- BOOST_TEST_EQ( p3, p4 );
- BOOST_TEST_EQ( hasher( p3 ), hasher( p4 ) );
- BOOST_TEST_NE( p3, p5 );
- BOOST_TEST_NE( hasher( p3 ), hasher( p5 ) );
- return boost::report_errors();
- }
|