| 1 | // |
|---|---|
| 2 | // esft_second_ptr_test.cpp |
| 3 | // |
| 4 | // This test has been extracted from a real |
| 5 | // scenario that occurs in Boost.Python |
| 6 | // |
| 7 | // Copyright 2009 Peter Dimov |
| 8 | // |
| 9 | // Distributed under the Boost Software License, Version 1.0. |
| 10 | // See accompanying file LICENSE_1_0.txt or copy at |
| 11 | // http://www.boost.org/LICENSE_1_0.txt |
| 12 | // |
| 13 | |
| 14 | |
| 15 | #include <boost/enable_shared_from_this.hpp> |
| 16 | #include <boost/shared_ptr.hpp> |
| 17 | #include <boost/core/lightweight_test.hpp> |
| 18 | |
| 19 | // |
| 20 | |
| 21 | class X: public boost::enable_shared_from_this<X> |
| 22 | { |
| 23 | }; |
| 24 | |
| 25 | void null_deleter( void const* ) |
| 26 | { |
| 27 | } |
| 28 | |
| 29 | int main() |
| 30 | { |
| 31 | boost::shared_ptr<X> px( new X ); |
| 32 | |
| 33 | { |
| 34 | boost::shared_ptr<X> px2( px.get(), null_deleter ); |
| 35 | BOOST_TEST( px == px2 ); |
| 36 | } |
| 37 | |
| 38 | try |
| 39 | { |
| 40 | boost::shared_ptr< X > qx = px->shared_from_this(); |
| 41 | |
| 42 | BOOST_TEST( px == qx ); |
| 43 | BOOST_TEST( !( px < qx ) && !( qx < px ) ); |
| 44 | } |
| 45 | catch( boost::bad_weak_ptr const& ) |
| 46 | { |
| 47 | BOOST_ERROR( "px->shared_from_this() failed"); |
| 48 | } |
| 49 | |
| 50 | return boost::report_errors(); |
| 51 | } |
| 52 |