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a5544970 | 1 | // Copyright (C) 2018-2019 Free Software Foundation, Inc. |
aca0dcde 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 run { target c++14 } } | |
19 | ||
20 | #include <experimental/functional> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | struct N { | |
24 | int operator()(int i) { if (i == 0) throw -1; return i; } | |
25 | }; | |
26 | ||
27 | void | |
28 | test01() | |
29 | { | |
30 | N n; | |
31 | auto not_n = std::experimental::not_fn(n); | |
32 | static_assert( !noexcept(not_n(1)), "can throw" ); | |
33 | VERIFY(not_n(1) == 0); | |
34 | int exception = 0; | |
35 | try { | |
36 | not_n(0); | |
37 | } | |
38 | catch (int e) { | |
39 | exception = e; | |
40 | } | |
41 | VERIFY(exception == -1); | |
42 | } | |
43 | ||
44 | int | |
45 | main() | |
46 | { | |
47 | test01(); | |
48 | } |