1 //
2 //  esft_void_test.cpp
3 //
4 //  Copyright 2009 Peter Dimov
5 //
6 //  Distributed under the Boost Software License, Version 1.0.
7 //  See accompanying file LICENSE_1_0.txt or copy at
8 //  http://www.boost.org/LICENSE_1_0.txt
9 //
10 
11 
12 #include <boost/enable_shared_from_this.hpp>
13 #include <boost/shared_ptr.hpp>
14 #include <boost/detail/lightweight_test.hpp>
15 
16 //
17 
18 class X: public boost::enable_shared_from_this<X>
19 {
20 };
21 
main()22 int main()
23 {
24     boost::shared_ptr< void const volatile > pv( new X );
25     boost::shared_ptr< void > pv2 = boost::const_pointer_cast< void >( pv );
26     boost::shared_ptr< X > px = boost::static_pointer_cast< X >( pv2 );
27 
28     try
29     {
30         boost::shared_ptr< X > qx = px->shared_from_this();
31 
32         BOOST_TEST( px == qx );
33         BOOST_TEST( !( px < qx ) && !( qx < px ) );
34     }
35     catch( boost::bad_weak_ptr const& )
36     {
37         BOOST_ERROR( "px->shared_from_this() failed" );
38     }
39 
40     return boost::report_errors();
41 }
42