| 1 | // |
|---|---|
| 2 | // shared_from_raw_test4 - based on esft_void_test.cpp |
| 3 | // |
| 4 | // Copyright 2009, 2014 Peter Dimov |
| 5 | // |
| 6 | // Distributed under the Boost Software License, Version 1.0. |
| 7 | // |
| 8 | // See accompanying file LICENSE_1_0.txt or copy at |
| 9 | // http://www.boost.org/LICENSE_1_0.txt |
| 10 | // |
| 11 | |
| 12 | |
| 13 | #include <boost/smart_ptr/enable_shared_from_raw.hpp> |
| 14 | #include <boost/shared_ptr.hpp> |
| 15 | #include <boost/core/lightweight_test.hpp> |
| 16 | |
| 17 | // |
| 18 | |
| 19 | class X: public boost::enable_shared_from_raw |
| 20 | { |
| 21 | }; |
| 22 | |
| 23 | int main() |
| 24 | { |
| 25 | boost::shared_ptr< void const volatile > pv( new X ); |
| 26 | boost::shared_ptr< void > pv2 = boost::const_pointer_cast< void >( r: pv ); |
| 27 | boost::shared_ptr< X > px = boost::static_pointer_cast< X >( r: pv2 ); |
| 28 | |
| 29 | try |
| 30 | { |
| 31 | boost::shared_ptr< X > qx = boost::shared_from_raw( p: px.get() ); |
| 32 | |
| 33 | BOOST_TEST( px == qx ); |
| 34 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
| 35 | } |
| 36 | catch( boost::bad_weak_ptr const& ) |
| 37 | { |
| 38 | BOOST_ERROR( "shared_from_this( px.get() ) failed"); |
| 39 | } |
| 40 | |
| 41 | boost::shared_ptr< X const volatile > px2( px ); |
| 42 | |
| 43 | try |
| 44 | { |
| 45 | boost::shared_ptr< X const volatile > qx2 = boost::shared_from_raw( p: px2.get() ); |
| 46 | |
| 47 | BOOST_TEST( px2 == qx2 ); |
| 48 | BOOST_TEST( !( px2 < qx2 ) && !( qx2 < px2 ) ); |
| 49 | } |
| 50 | catch( boost::bad_weak_ptr const& ) |
| 51 | { |
| 52 | BOOST_ERROR( "shared_from_this( px2.get() ) failed"); |
| 53 | } |
| 54 | |
| 55 | return boost::report_errors(); |
| 56 | } |
| 57 |