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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 20_util / underlying_type / requirements / typedefs-1.cc

// { dg-do compile { target c++11 } }
//
// Copyright (C) 2011-2021 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()
{
  typedef enum E1 : unsigned { }                     test_type1;
  typedef enum E2 : char { }                         test_type2;
  typedef enum class E3 { }                          test_type3;
  typedef enum class E4 : unsigned char { c = 1 }    test_type4;
  typedef enum class E5 : int { a = -1, b = 1 }      test_type5;
  typedef enum class E6 : long { c = __LONG_MAX__ }  test_type6;  

  // Check for required typedef
  typedef std::underlying_type<test_type1>::type  type1;
  typedef std::underlying_type<test_type2>::type  type2;
  typedef std::underlying_type<test_type3>::type  type3;
  typedef std::underlying_type<test_type4>::type  type4;
  typedef std::underlying_type<test_type5>::type  type5;
  typedef std::underlying_type<test_type6>::type  type6;
}