libstdc++-v3/testsuite/20_util/bind/cv_quals_2.cc

   1 // Copyright (C) 2011-2016 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 // { dg-do run { target c++11 } }
  19
  20 #include <functional>
  21 #include <testsuite_hooks.h>
  22
  23 struct X
  24 {
  25   int operator()() const { return 0; }
  26   int operator()() volatile { return 1; }
  27   int operator()() const volatile { return 2; }
  28   void operator()() { };
  29 };
  30
  31 void test01()
  32 {
  33   bool test __attribute__((unused)) = true;
  34
  35   const auto b0 = std::bind(X());
  36   VERIFY( b0() == 0 );
  37
  38   volatile auto b1 = std::bind(X());
  39   VERIFY( b1() == 1 );
  40
  41   const volatile auto b2 = std::bind(X());
  42   VERIFY( b2() == 2 );
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   return 0;
  49 }