1 // Copyright (C) 2005-2016 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library.  This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
19 
20 #include <tr1/memory>
21 #include <testsuite_hooks.h>
22 
23 struct A { };
24 
25 // 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs]
26 
27 // conversion to bool
28 int
test01()29 test01()
30 {
31   bool test __attribute__((unused)) = true;
32 
33   const std::tr1::shared_ptr<A> p1;
34   VERIFY( bool(p1) == false );
35   const std::tr1::shared_ptr<A> p2(p1);
36   VERIFY( bool(p2) == false );
37 
38   return 0;
39 }
40 
41 int
test02()42 test02()
43 {
44   bool test __attribute__((unused)) = true;
45 
46   std::tr1::shared_ptr<A> p1(new A);
47   VERIFY( p1 );
48   std::tr1::shared_ptr<A> p2(p1);
49   VERIFY( p2 );
50   p1.reset();
51   VERIFY( !p1 );
52   VERIFY( p2 );
53 
54   return 0;
55 }
56 
57 int
test03()58 test03()
59 {
60   bool test __attribute__((unused)) = true;
61 
62   std::tr1::shared_ptr<A> p1(new A);
63   std::tr1::shared_ptr<A> p2(p1);
64   p2.reset(new A);
65   VERIFY( p1 );
66   VERIFY( p2 );
67 
68   return 0;
69 }
70 
71 
72 int
main()73 main()
74 {
75   test01();
76   test02();
77   test03();
78   return 0;
79 }
80