1 // { dg-options "-std=gnu++17" }
2 // { dg-do compile { target c++17 } }
4 // Copyright (C) 2016-2019 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
21 // NB: This file is for testing type_traits with NO OTHER INCLUDES.
23 #include <type_traits>
27 // Check for required typedefs
28 typedef std::has_unique_object_representations
<int> test_type
;
29 static_assert( std::is_same
<test_type::value_type
, bool>::value
);
30 typedef std::integral_constant
<bool, test_type
{}()> bool_type
;
31 static_assert( std::is_same
<test_type::type
, bool_type
>::value
);