1 // Copyright (C) 2010-2016 Free Software Foundation, Inc.
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 
20 // { dg-options "-std=gnu++11" }
21 
22 #include <functional>
23 #include <testsuite_hooks.h>
24 
25 using namespace std::placeholders;
26 
inc(int & i)27 int inc(int& i) { return ++i; }
28 
test01()29 void test01()
30 {
31   bool test __attribute__((unused)) = true;
32 
33   int counter = 0;
34   std::bind(&inc, _1)(counter);
35   VERIFY(counter == 1 );
36   std::bind(&inc, std::ref(counter))();
37   VERIFY(counter == 2 );
38 }
39 
40 struct Inc
41 {
operator ()Inc42   int operator()(int& i) const { return ++i; }
operator ()Inc43   void operator()(int&&) const { }
44 
fInc45   int f(int& i) const { return ++i; }
46 };
47 
test02()48 void test02()
49 {
50   bool test __attribute__((unused)) = true;
51 
52   int counter = 0;
53   std::bind(Inc(), _1)(counter);
54   VERIFY(counter == 1 );
55   std::bind(&Inc::f, Inc(), std::ref(counter))();
56   VERIFY(counter == 2 );
57 }
58 
main()59 int main()
60 {
61   test01();
62   test02();
63 }
64