1 // { dg-do run { target c++11 } }
3 // Copyright (C) 2005-2018 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
23 #include <testsuite_hooks.h>
28 // 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs]
34 const std::shared_ptr
<A
> p1
;
35 VERIFY( p1
.use_count() == 0 );
36 const std::shared_ptr
<A
> p2(p1
);
37 VERIFY( p1
.use_count() == 0 );
43 std::shared_ptr
<A
> p1(new A
);
44 std::shared_ptr
<A
> p2(p1
);
46 VERIFY( p1
.use_count() == 0 );
47 VERIFY( p2
.use_count() == 1 );
53 std::shared_ptr
<A
> p1(new A
);
54 std::shared_ptr
<A
> p2(p1
);
56 VERIFY( p1
.use_count() == 1 );
57 VERIFY( p2
.use_count() == 1 );