1// Copyright (C) 2011-2015 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 compile }
19// { dg-options "-std=gnu++11" }
20
21#include <tr1/functional>
22
23struct 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
31void test01()
32{
33  static_assert( std::tr1::is_placeholder<__typeof(std::tr1::placeholders::_1)>::value,
34                 "decltype(_1) is a placeholder type" );
35
36  const auto b0 = std::tr1::bind(X());
37  static_assert( std::tr1::is_bind_expression<__typeof(b0)>::value,
38                 "const-qualified wrapper is a bind expression" );
39
40  volatile auto b1 = std::tr1::bind(X());
41  static_assert( std::tr1::is_bind_expression<__typeof(b1)>::value,
42                 "volatile-qualified wrapper is a bind expression" );
43
44  const volatile auto b2 = std::tr1::bind(X());
45  static_assert( std::tr1::is_bind_expression<__typeof(b2)>::value,
46                 "const-volatile-qualified wrapper is a bind expression" );
47}
48
49int main()
50{
51  test01();
52  return 0;
53}
54