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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/bind/cv_quals_3.cc
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1 // Copyright (C) 2011-2023 Free Software Foundation, Inc.
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)
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.
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/>.
18 // { dg-do compile { target c++11 } }
24 int operator()() const { return 0; }
25 int operator()() volatile { return 1; }
26 int operator()() const volatile { return 2; }
27 void operator()() { };
32 static_assert( std::is_placeholder
<decltype(std::placeholders::_1
)>::value
,
33 "decltype(_1) is a placeholder type" );
35 const auto b0
= std::bind(X());
36 static_assert( std::is_bind_expression
<decltype(b0
)>::value
,
37 "const-qualified wrapper is a bind expression" );
39 volatile auto b1
= std::bind(X());
40 static_assert( std::is_bind_expression
<decltype(b1
)>::value
,
41 "volatile-qualified wrapper is a bind expression" );
43 const volatile auto b2
= std::bind(X());
44 static_assert( std::is_bind_expression
<decltype(b2
)>::value
,
45 "const-volatile-qualified wrapper is a bind expression" );
47 const auto b3
= std::bind
<int>(X());
48 static_assert( std::is_bind_expression
<decltype(b3
)>::value
,
49 "const-qualified wrapper is a bind expression" );
51 volatile auto b4
= std::bind
<int>(X());
52 static_assert( std::is_bind_expression
<decltype(b4
)>::value
,
53 "volatile-qualified wrapper is a bind expression" );
55 const volatile auto b5
= std::bind
<int>(X());
56 static_assert( std::is_bind_expression
<decltype(b5
)>::value
,
57 "const-volatile-qualified wrapper is a bind expression" );