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// { dg-do compile { target c++11 } }
//
// Copyright (C) 2011-2019 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/>.
//
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
#include <type_traits>
void test01()
{
using namespace std;
enum E1 : unsigned { };
enum E2 : char { };
enum class E3 { };
enum class E4 : unsigned char { c = 1 };
enum class E5 : int { a = -1, b = 1 };
enum class E6 : long { c = __LONG_MAX__ };
static_assert(is_same<underlying_type<E1>::type, unsigned>::value, "Error");
static_assert(is_same<underlying_type<E2>::type, char>::value, "Error");
static_assert(is_same<underlying_type<E3>::type, int>::value, "Error");
static_assert(is_same<underlying_type<E4>::type,
unsigned char>::value, "Error");
static_assert(is_same<underlying_type<E5>::type, int>::value, "Error");
static_assert(is_same<underlying_type<E6>::type, long>::value, "Error");
}
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