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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-2.cc
1 // { dg-options "-funsigned-char -fshort-enums" }
2 // { dg-do compile { target c++11 } }
4 // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com>
6 // Copyright (C) 2007-2023 Free Software Foundation, Inc.
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
19 // You should have received a copy of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
23 #include <type_traits>
25 // Ensure that this enum has "short" as its underlying type.
26 enum test_enum
{ first_selection
= ((unsigned char)-1) + 1 };
30 using std::make_unsigned
;
32 using std::is_unsigned
;
33 using std::is_volatile
;
36 typedef make_unsigned
<const unsigned int>::type test2_type
;
37 static_assert(is_same
<test2_type
, const unsigned int>::value
, "");
39 typedef make_unsigned
<const signed int>::type test21c_type
;
40 static_assert(is_same
<test21c_type
, const unsigned int>::value
, "");
42 typedef make_unsigned
<volatile signed int>::type test21v_type
;
43 static_assert(is_same
<test21v_type
, volatile unsigned int>::value
, "");
45 typedef make_unsigned
<const volatile signed int>::type test21cv_type
;
46 static_assert(is_same
<test21cv_type
,
47 const volatile unsigned int>::value
, "");
49 typedef make_unsigned
<const char>::type test22_type
;
50 static_assert(is_same
<test22_type
, const unsigned char>::value
, "");
52 typedef make_unsigned
<volatile wchar_t>::type test23_type
;
53 static_assert(is_unsigned
<test23_type
>::value
54 && is_volatile
<test23_type
>::value
55 && sizeof(test23_type
) == sizeof(volatile wchar_t), "");
57 typedef make_unsigned
<test_enum
>::type test24_type
;
58 static_assert(is_same
<test24_type
, unsigned short>::value
, "");
60 #ifndef __STRICT_ANSI__
62 #ifdef __SIZEOF_INT128__
63 typedef make_unsigned
<unsigned __int128
>::type test25_type
;
64 static_assert(is_same
<test25_type
, unsigned __int128
>::value
, "");
66 typedef make_unsigned
<__int128
>::type test26_type
;
67 static_assert(is_same
<test26_type
, unsigned __int128
>::value
, "");