1// { dg-options "-std=gnu++11 -funsigned-char -fshort-enums" }
2// { dg-options "-std=gnu++11 -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux-* } }
3// { dg-do compile }
4
5// 2007-05-03  Benjamin Kosnik  <bkoz@redhat.com>
6//
7// Copyright (C) 2007-2015 Free Software Foundation, Inc.
8//
9// This file is part of the GNU ISO C++ Library.  This library is free
10// software; you can redistribute it and/or modify it under the
11// terms of the GNU General Public License as published by the
12// Free Software Foundation; either version 3, or (at your option)
13// any later version.
14//
15// This library is distributed in the hope that it will be useful,
16// but WITHOUT ANY WARRANTY; without even the implied warranty of
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18// GNU General Public License for more details.
19//
20// You should have received a copy of the GNU General Public License along
21// with this library; see the file COPYING3.  If not see
22// <http://www.gnu.org/licenses/>.
23
24#include <type_traits>
25
26// Ensure that this enum has "short" as its underlying type.
27enum test_enum { first_selection = ((unsigned char)-1) + 1 };
28
29void test01()
30{
31  using std::make_unsigned;
32  using std::is_same;
33  using std::is_unsigned;
34  using std::is_volatile;
35
36  // Positive tests.
37  typedef make_unsigned<const unsigned int>::type  	test2_type;
38  static_assert(is_same<test2_type, const unsigned int>::value, "");
39
40  typedef make_unsigned<const signed int>::type  	test21c_type;
41  static_assert(is_same<test21c_type, const unsigned int>::value, "");
42
43  typedef make_unsigned<volatile signed int>::type  	test21v_type;
44  static_assert(is_same<test21v_type, volatile unsigned int>::value, "");
45
46  typedef make_unsigned<const volatile signed int>::type  	test21cv_type;
47  static_assert(is_same<test21cv_type,
48		const volatile unsigned int>::value, "");
49
50  typedef make_unsigned<const char>::type  	test22_type;
51  static_assert(is_same<test22_type, const unsigned char>::value, "");
52
53#ifdef _GLIBCXX_USE_WCHAR_T
54  typedef make_unsigned<volatile wchar_t>::type  	test23_type;
55  static_assert(is_unsigned<test23_type>::value
56                && is_volatile<test23_type>::value
57                && sizeof(test23_type) == sizeof(volatile wchar_t), "");
58#endif
59
60  typedef make_unsigned<test_enum>::type  	  test24_type;
61  static_assert(is_same<test24_type, unsigned short>::value, "");
62
63  // GNU Extensions.
64#ifdef _GLIBCXX_USE_INT128
65  typedef make_unsigned<unsigned __int128>::type  test25_type;
66  static_assert(is_same<test25_type, unsigned __int128>::value, "");
67
68  typedef make_unsigned<__int128>::type  	  test26_type;
69  static_assert(is_same<test26_type, unsigned __int128>::value, "");
70#endif
71}
72