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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc
1 // { dg-do compile { target c++11 } }
3 // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com>
5 // Copyright (C) 2007-2019 Free Software Foundation, Inc.
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3. If not see
20 // <http://www.gnu.org/licenses/>.
22 #include <type_traits>
24 enum test_enum
{ first_selection
};
28 using std::make_unsigned
;
30 using std::is_unsigned
;
31 using std::is_volatile
;
34 typedef make_unsigned
<const unsigned int>::type test2_type
;
35 static_assert(is_same
<test2_type
, const unsigned int>::value
, "");
37 typedef make_unsigned
<const signed int>::type test21c_type
;
38 static_assert(is_same
<test21c_type
, const unsigned int>::value
, "");
40 typedef make_unsigned
<volatile signed int>::type test21v_type
;
41 static_assert(is_same
<test21v_type
, volatile unsigned int>::value
, "");
43 typedef make_unsigned
<const volatile signed int>::type test21cv_type
;
44 static_assert(is_same
<test21cv_type
,
45 const volatile unsigned int>::value
, "");
47 typedef make_unsigned
<const char>::type test22_type
;
48 static_assert(is_same
<test22_type
, const unsigned char>::value
, "");
50 #ifdef _GLIBCXX_USE_WCHAR_T
51 typedef make_unsigned
<volatile wchar_t>::type test23_type
;
52 static_assert(is_unsigned
<test23_type
>::value
53 && is_volatile
<test23_type
>::value
54 && sizeof(test23_type
) == sizeof(volatile wchar_t), "");
57 // Chapter 48, chapter 20. Smallest rank such that new unsigned type
59 typedef make_unsigned
<test_enum
>::type test24_type
;
60 static_assert(is_unsigned
<test24_type
>::value
, "");
61 static_assert(sizeof(test24_type
) == sizeof(test_enum
), "");
63 #ifndef __STRICT_ANSI__
65 #ifdef _GLIBCXX_USE_INT128
66 typedef make_unsigned
<unsigned __int128
>::type test25_type
;
67 static_assert(is_same
<test25_type
, unsigned __int128
>::value
, "");
69 typedef make_unsigned
<__int128
>::type test26_type
;
70 static_assert(is_same
<test26_type
, unsigned __int128
>::value
, "");