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a5544970 | 1 | // Copyright (C) 2016-2019 Free Software Foundation, Inc. |
b7dabce5 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 | // { dg-do compile { target c++11 } } | |
19 | ||
20 | #include <memory> | |
21 | ||
22 | #if __cplusplus >= 201402L | |
23 | // The feature-test macro is only defined for C++14 and later. | |
24 | # if __cpp_lib_transparent_operators < 201510 | |
25 | # error "__cpp_lib_transparent_operators < 201510" | |
26 | # endif | |
27 | #endif | |
28 | ||
29 | void | |
30 | test01() | |
31 | { | |
32 | using namespace std; | |
33 | ||
34 | static_assert(is_same<owner_less<>, owner_less<void>>::value, | |
35 | "owner_less<> uses void specialization"); | |
36 | ||
37 | shared_ptr<int> sp1; | |
38 | shared_ptr<void> sp2; | |
39 | shared_ptr<long> sp3; | |
40 | weak_ptr<int> wp1; | |
41 | ||
42 | owner_less<> cmp; | |
43 | cmp(sp1, sp2); | |
44 | cmp(sp1, wp1); | |
45 | cmp(sp1, sp3); | |
46 | cmp(wp1, sp1); | |
47 | cmp(wp1, wp1); | |
48 | } |