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a945c346 | 1 | // Copyright (C) 2010-2024 Free Software Foundation, Inc. |
d90d97ff 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 | // 20.7.11 Function template bind | |
19 | ||
52066eae | 20 | // { dg-do run { target c++11 } } |
d90d97ff JW |
21 | |
22 | #include <functional> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | using namespace std::placeholders; | |
26 | ||
27 | int inc(int& i) { return ++i; } | |
28 | ||
29 | void test01() | |
30 | { | |
31 | int counter = 0; | |
32 | std::bind(&inc, _1)(counter); | |
33 | VERIFY(counter == 1 ); | |
34 | std::bind(&inc, std::ref(counter))(); | |
35 | VERIFY(counter == 2 ); | |
36 | } | |
37 | ||
38 | struct Inc | |
39 | { | |
40 | int operator()(int& i) const { return ++i; } | |
41 | void operator()(int&&) const { } | |
42 | ||
43 | int f(int& i) const { return ++i; } | |
44 | }; | |
45 | ||
46 | void test02() | |
47 | { | |
48 | int counter = 0; | |
49 | std::bind(Inc(), _1)(counter); | |
50 | VERIFY(counter == 1 ); | |
51 | std::bind(&Inc::f, Inc(), std::ref(counter))(); | |
52 | VERIFY(counter == 2 ); | |
53 | } | |
54 | ||
55 | int main() | |
56 | { | |
57 | test01(); | |
58 | test02(); | |
59 | } |