1 #include <boost/config.hpp>
2 
3 //  sp_convertible_test.cpp
4 //
5 //  Copyright (c) 2008 Peter Dimov
6 //
7 //  Distributed under the Boost Software License, Version 1.0.
8 //  See accompanying file LICENSE_1_0.txt or copy at
9 //  http://www.boost.org/LICENSE_1_0.txt
10 
11 #include <boost/detail/lightweight_test.hpp>
12 #include <boost/shared_ptr.hpp>
13 
14 //
15 
16 class incomplete;
17 
18 struct X
19 {
20 };
21 
22 struct Y
23 {
24 };
25 
26 struct Z: public X
27 {
28 };
29 
f(boost::shared_ptr<void const>)30 int f( boost::shared_ptr<void const> )
31 {
32     return 1;
33 }
34 
f(boost::shared_ptr<int>)35 int f( boost::shared_ptr<int> )
36 {
37     return 2;
38 }
39 
f(boost::shared_ptr<incomplete>)40 int f( boost::shared_ptr<incomplete> )
41 {
42     return 3;
43 }
44 
g(boost::shared_ptr<X>)45 int g( boost::shared_ptr<X> )
46 {
47     return 4;
48 }
49 
g(boost::shared_ptr<Y>)50 int g( boost::shared_ptr<Y> )
51 {
52     return 5;
53 }
54 
g(boost::shared_ptr<incomplete>)55 int g( boost::shared_ptr<incomplete> )
56 {
57     return 6;
58 }
59 
main()60 int main()
61 {
62     boost::shared_ptr<double> p1;
63     BOOST_TEST( 1 == f( p1 ) );
64     BOOST_TEST( 1 == f( boost::shared_ptr<double>() ) );
65 
66     boost::shared_ptr<Z> p2;
67     BOOST_TEST( 4 == g( p2 ) );
68     BOOST_TEST( 4 == g( boost::shared_ptr<Z>() ) );
69 
70     return boost::report_errors();
71 }
72