libstdc++-v3/testsuite/20_util/bind/ref_neg.cc

   1 // Copyright (C) 2010-2013 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 // 20.8.9 Function template bind
  19
  20 // { dg-do compile }
  21 // { dg-options "-std=gnu++0x" }
  22
  23 #include <functional>
  24
  25 using namespace std::placeholders;
  26
  27 int inc(int& i) { return ++i; }
  28
  29 void test01()
  30 {
  31   const int dummy = 0;
  32   std::bind(&inc, _1)(0);               // { dg-error  "no match" }
  33   // { dg-error "rvalue|const" "" { target *-*-* } 1315 }
  34   // { dg-error "rvalue|const" "" { target *-*-* } 1329 }
  35   // { dg-error "rvalue|const" "" { target *-*-* } 1343 }
  36   // { dg-error "rvalue|const" "" { target *-*-* } 1357 }
  37   std::bind(&inc, std::ref(dummy))();   // { dg-error  "no match" }
  38 }
  39
  40 struct Inc
  41 {
  42   int operator()(int& i) const { return ++i; }
  43   void operator()(int&&) const { }
  44
  45   int f(int&& i) const { return ++i; }
  46 };
  47
  48 void test02()
  49 {
  50   const int dummy = 0;
  51   std::bind(Inc(), _1)(dummy);                  // { dg-error  "no match" }
  52   std::bind(&Inc::f, Inc(), std::ref(dummy))(); // { dg-error  "no match" }
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58   test02();
  59 }