1// { dg-do run }
2// { dg-options "-std=gnu++11 -g -O0" }
3
4// Copyright (C) 2012-2015 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <memory>
22#include <iostream>
23
24template<class T>
25void
26placeholder(const T &s)
27{
28  std::cout << s;
29}
30
31template<class T>
32void
33use(const T &p)
34{
35  placeholder(&p);
36}
37
38struct deleter { void operator()(int*) {} };
39
40std::shared_ptr<int> make(uintptr_t p)
41{
42  return std::shared_ptr<int>(reinterpret_cast<int*>(p), deleter());
43}
44
45int
46main()
47{
48  typedef std::shared_ptr<int> shared;
49  typedef std::weak_ptr<int> weak;
50
51  shared esp;
52// { dg-final { note-test esp "std::shared_ptr (empty) 0x0" } }
53  weak ewp1;
54// { dg-final { note-test ewp1 "std::weak_ptr (empty) 0x0" } }
55  weak ewp2 = esp;
56// { dg-final { note-test ewp2 "std::weak_ptr (empty) 0x0" } }
57
58  shared sp1 = make(0x12345678);
59  shared sp2 = sp1;
60// { dg-final { note-test sp1 "std::shared_ptr (count 2, weak 0) 0x12345678" } }
61
62  shared sp3 = make(0x12344321);
63  weak sp4 = sp3;
64  weak wp1 = sp3;
65// { dg-final { note-test wp1 "std::weak_ptr (count 1, weak 2) 0x12344321" } }
66
67  shared sp5 = make(0x56788765);
68  weak wp2 = sp5;
69  sp5.reset();
70// { dg-final { note-test wp2 "std::weak_ptr (expired, weak 1) 0x56788765" } }
71
72  placeholder(""); // Mark SPOT
73  use(esp);
74  use(ewp1);
75  use(ewp2);
76  use(sp1);
77  use(wp1);
78  use(wp2);
79
80  return 0;
81}
82
83// { dg-final { gdb-test SPOT } }
84