]>
Commit | Line | Data |
---|---|---|
99dee823 | 1 | // Copyright (C) 2018-2021 Free Software Foundation, Inc. |
0db78d0a JW |
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 | #include <utility> | |
19 | #include <testsuite_hooks.h> | |
20 | ||
21 | void | |
22 | test01() | |
23 | { | |
24 | std::pair<std::pair<int, int>, int> p; | |
25 | #if __cplusplus >= 201103L | |
26 | static_assert(sizeof(p) == (3 * sizeof(int)), "PR libstdc++/87822"); | |
27 | #endif | |
28 | VERIFY( (void*)&p == (void*)&p.first ); | |
d5e33619 | 29 | VERIFY( (void*)&p == (void*)&p.first.first ); |
0db78d0a JW |
30 | } |
31 | ||
32 | struct empty { }; | |
33 | ||
34 | void | |
35 | test02() | |
36 | { | |
37 | std::pair<std::pair<empty, empty>, empty> p; | |
38 | #if __cplusplus >= 201103L | |
39 | static_assert(sizeof(p) == (3 * sizeof(empty)), "PR libstdc++/87822"); | |
40 | #endif | |
41 | VERIFY( (void*)&p == (void*)&p.first ); | |
42 | } | |
43 | ||
d5e33619 JW |
44 | void |
45 | test03() | |
46 | { | |
47 | typedef std::pair<int, int> int_pair; | |
48 | typedef std::pair<int_pair, int_pair> int_pair_pair; | |
49 | std::pair<int_pair_pair, int_pair_pair> p; | |
50 | #if __cplusplus >= 201103L | |
51 | static_assert(sizeof(int_pair_pair) == (2 * sizeof(int_pair)), "nested"); | |
52 | static_assert(sizeof(p) == (2 * sizeof(int_pair_pair)), "nested again"); | |
53 | #endif | |
54 | VERIFY( (void*)&p == (void*)&p.first ); | |
55 | VERIFY( (void*)&p == (void*)&p.first.first ); | |
56 | VERIFY( (void*)&p == (void*)&p.first.first.first ); | |
57 | } | |
58 | ||
0db78d0a JW |
59 | int main() |
60 | { | |
61 | test01(); | |
62 | test02(); | |
d5e33619 | 63 | test03(); |
0db78d0a | 64 | } |