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)27int inc(int& i) { return ++i; } 28 test01()29void 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()48void 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()59int main() 60 { 61 test01(); 62 test02(); 63 } 64