1 //
2 //  shared_from_raw_test3 - based on 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, 2014 Peter Dimov
8 //
9 //  Distributed under the Boost Software License, Version 1.0.
10 //
11 //  See accompanying file LICENSE_1_0.txt or copy at
12 //  http://www.boost.org/LICENSE_1_0.txt
13 //
14 
15 
16 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
17 #include <boost/shared_ptr.hpp>
18 #include <boost/detail/lightweight_test.hpp>
19 
20 //
21 
22 class X: public boost::enable_shared_from_raw
23 {
24 };
25 
null_deleter(void const *)26 void null_deleter( void const* )
27 {
28 }
29 
main()30 int main()
31 {
32     boost::shared_ptr<X> px( new X );
33 
34     {
35         boost::shared_ptr<X> px2( px.get(), null_deleter );
36         BOOST_TEST( px == px2 );
37     }
38 
39     try
40     {
41         boost::shared_ptr< X > qx = boost::shared_from_raw( px.get() );
42 
43         BOOST_TEST( px == qx );
44         BOOST_TEST( !( px < qx ) && !( qx < px ) );
45     }
46     catch( boost::bad_weak_ptr const& )
47     {
48         BOOST_ERROR( "shared_from_raw( px.get() ) failed" );
49     }
50 
51     return boost::report_errors();
52 }
53