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#include <boost/config.hpp>
// shared_ptr_alias_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/detail/lightweight_test.hpp>
#include <boost/shared_ptr.hpp>
#include <memory>
#include <cstddef>
//
class incomplete;
struct X
{
int v_;
explicit X( int v ): v_( v )
{
}
~X()
{
v_ = 0;
}
};
int main()
{
{
int m = 0;
boost::shared_ptr< int > p;
boost::shared_ptr< int > p2( p, &m );
BOOST_TEST( p2.get() == &m );
BOOST_TEST( p2? true: false );
BOOST_TEST( !!p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
p2.reset( p, 0 );
BOOST_TEST( p2.get() == 0 );
BOOST_TEST( p2? false: true );
BOOST_TEST( !p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
}
{
int m = 0;
boost::shared_ptr< int > p( new int );
boost::shared_ptr< int const > p2( p, &m );
BOOST_TEST( p2.get() == &m );
BOOST_TEST( p2? true: false );
BOOST_TEST( !!p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
boost::shared_ptr< int volatile > p3;
p2.reset( p3, 0 );
BOOST_TEST( p2.get() == 0 );
BOOST_TEST( p2? false: true );
BOOST_TEST( !p2 );
BOOST_TEST( p2.use_count() == p3.use_count() );
BOOST_TEST( !( p3 < p2 ) && !( p2 < p3 ) );
}
{
boost::shared_ptr< int > p( new int );
boost::shared_ptr< void const > p2( p, 0 );
BOOST_TEST( p2.get() == 0 );
BOOST_TEST( p2? false: true );
BOOST_TEST( !p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
int m = 0;
boost::shared_ptr< void volatile > p3;
p2.reset( p3, &m );
BOOST_TEST( p2.get() == &m );
BOOST_TEST( p2? true: false );
BOOST_TEST( !!p2 );
BOOST_TEST( p2.use_count() == p3.use_count() );
BOOST_TEST( !( p3 < p2 ) && !( p2 < p3 ) );
}
{
boost::shared_ptr< incomplete > p;
boost::shared_ptr< incomplete > p2( p, 0 );
BOOST_TEST( p2.get() == 0 );
BOOST_TEST( p2? false: true );
BOOST_TEST( !p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
p2.reset( p, 0 );
BOOST_TEST( p2.get() == 0 );
BOOST_TEST( p2? false: true );
BOOST_TEST( !p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
}
{
boost::shared_ptr< X > p( new X( 5 ) );
boost::shared_ptr< int const > p2( p, &p->v_ );
BOOST_TEST( p2.get() == &p->v_ );
BOOST_TEST( p2? true: false );
BOOST_TEST( !!p2 );
BOOST_TEST( p2.use_count() == p.use_count() );
BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
p.reset();
BOOST_TEST( *p2 == 5 );
boost::shared_ptr< X const > p3( new X( 8 ) );
p2.reset( p3, &p3->v_ );
BOOST_TEST( p2.get() == &p3->v_ );
BOOST_TEST( p2? true: false );
BOOST_TEST( !!p2 );
BOOST_TEST( p2.use_count() == p3.use_count() );
BOOST_TEST( !( p3 < p2 ) && !( p2 < p3 ) );
p3.reset();
BOOST_TEST( *p2 == 8 );
}
return boost::report_errors();
}
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