Retro68/gcc/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-4.cc
2014-09-21 19:33:12 +02:00

34 lines
1.2 KiB
C++

// { dg-options "-std=gnu++11" }
// { dg-do compile }
// { dg-require-cstdint "" }
// Copyright (C) 2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <type_traits>
// libstdc++/60326
using namespace std;
#ifdef _GLIBCXX_USE_WCHAR_T
using wchar_signed = make_signed<wchar_t>::type;
using wchar_unsigned = make_unsigned<wchar_t>::type;
static_assert( !is_same<wchar_signed, wchar_unsigned>::value, "wchar_t" );
#endif
static_assert( is_signed<make_signed<char16_t>::type>::value, "char16_t");
static_assert( is_signed<make_signed<char32_t>::type>::value, "char32_t");