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52066eae JW |
1 | // { dg-do run { target c++11 } } |
2 | // { dg-options "-g -O0" } | |
a1527f2f | 3 | |
83ffe9cd | 4 | // Copyright (C) 2012-2023 Free Software Foundation, Inc. |
a1527f2f JW |
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 | ||
24 | template<class T> | |
25 | void | |
26 | placeholder(const T &s) | |
27 | { | |
28 | std::cout << s; | |
29 | } | |
30 | ||
31 | template<class T> | |
32 | void | |
33 | use(const T &p) | |
34 | { | |
35 | placeholder(&p); | |
36 | } | |
37 | ||
38 | struct deleter { void operator()(int*) {} }; | |
39 | ||
40 | std::shared_ptr<int> make(uintptr_t p) | |
41 | { | |
42 | return std::shared_ptr<int>(reinterpret_cast<int*>(p), deleter()); | |
43 | } | |
44 | ||
45 | int | |
46 | main() | |
47 | { | |
48 | typedef std::shared_ptr<int> shared; | |
49 | typedef std::weak_ptr<int> weak; | |
50 | ||
51 | shared esp; | |
d2dfcf82 | 52 | // { dg-final { note-test esp "std::shared_ptr<int> (empty) = {get() = 0x0}" } } |
a1527f2f | 53 | weak ewp1; |
d2dfcf82 | 54 | // { dg-final { note-test ewp1 "std::weak_ptr<int> (empty) = {get() = 0x0}" } } |
a1527f2f | 55 | weak ewp2 = esp; |
d2dfcf82 | 56 | // { dg-final { note-test ewp2 "std::weak_ptr<int> (empty) = {get() = 0x0}" } } |
a1527f2f JW |
57 | |
58 | shared sp1 = make(0x12345678); | |
59 | shared sp2 = sp1; | |
d2dfcf82 | 60 | // { dg-final { note-test sp1 "std::shared_ptr<int> (use count 2, weak count 0) = {get() = 0x12345678}" } } |
a1527f2f JW |
61 | |
62 | shared sp3 = make(0x12344321); | |
63 | weak sp4 = sp3; | |
64 | weak wp1 = sp3; | |
d2dfcf82 | 65 | // { dg-final { note-test wp1 "std::weak_ptr<int> (use count 1, weak count 2) = {get() = 0x12344321}" } } |
a1527f2f JW |
66 | |
67 | shared sp5 = make(0x56788765); | |
68 | weak wp2 = sp5; | |
69 | sp5.reset(); | |
d2dfcf82 | 70 | // { dg-final { note-test wp2 "std::weak_ptr<int> (expired, weak count 1) = {get() = 0x56788765}" } } |
a1527f2f JW |
71 | |
72 | placeholder(""); // Mark SPOT | |
73 | use(esp); | |
74 | use(ewp1); | |
75 | use(ewp2); | |
76 | use(sp1); | |
77 | use(wp1); | |
78 | use(wp2); | |
79 | ||
af583c44 | 80 | std::cout << "\n"; |
a1527f2f JW |
81 | return 0; |
82 | } | |
83 | ||
84 | // { dg-final { gdb-test SPOT } } |