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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-1.cc
1 // { dg-options "-std=gnu++11" }
4 // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com>
6 // Copyright (C) 2007-2014 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 enum test_enum
{ first_selection
};
29 using std::make_signed
;
34 typedef make_signed
<const int>::type test2_type
;
35 static_assert( is_same
<test2_type
, const int>::value
,
36 "make_signed<const int>" );
38 typedef make_signed
<const unsigned int>::type test21c_type
;
39 static_assert( is_same
<test21c_type
, const signed int>::value
,
40 "make_signed<const unsigned int>" );
42 typedef make_signed
<volatile unsigned int>::type test21v_type
;
43 static_assert( is_same
<test21v_type
, volatile signed int>::value
,
44 "make_signed<volatile unsigned int>" );
46 typedef make_signed
<const volatile unsigned int>::type test21cv_type
;
47 static_assert( is_same
<test21cv_type
, const volatile signed int>::value
,
48 "make_signed<const volatile unsigned int>" );
50 typedef make_signed
<const char>::type test22_type
;
51 static_assert( is_same
<test22_type
, const signed char>::value
,
52 "make_signed<const char>" );
54 #ifdef _GLIBCXX_USE_WCHAR_T
55 typedef make_signed
<volatile wchar_t>::type test23_type
;
56 static_assert( is_same
<test23_type
, volatile signed wchar_t>::value
,
57 "make_signed<volatile wchar_t>" );
60 // Chapter 48, chapter 20. Smallest rank such that new signed type same size.
61 typedef make_signed
<test_enum
>::type test24_type
;
62 static_assert( is_signed
<test24_type
>::value
,
63 "make_signed<test_enum> makes signed type" );
64 static_assert( sizeof(test24_type
) == sizeof(test_enum
),
65 "make_signed<test_enum> makes type of same size" );
68 #ifdef _GLIBCXX_USE_INT128
69 typedef make_signed
<unsigned __int128
>::type test25_type
;
70 static_assert( is_same
<test25_type
, __int128
>::value
,
71 "make_signed<unsigned __int128>" );
73 typedef make_signed
<__int128
>::type test26_type
;
74 static_assert( is_same
<test26_type
, __int128
>::value
,
75 "make_signed<__int128>" );