1 // { dg-options "-std=gnu++0x -funsigned-char -fshort-enums" }
2 // { dg-options "-std=gnu++0x -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux-* } }
4 // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com>
6 // Copyright (C) 2007, 2009, 2010, 2011 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>
24 #include <testsuite_hooks.h>
26 // Ensure that this enum has "short" as its underlying type.
27 enum test_enum
{ first_selection
= ((unsigned char)-1) + 1 };
31 bool test
__attribute__((unused
)) = true;
32 using std::make_signed
;
36 typedef make_signed
<const int>::type test2_type
;
37 VERIFY( (is_same
<test2_type
, const int>::value
) );
39 typedef make_signed
<const unsigned int>::type test21c_type
;
40 VERIFY( (is_same
<test21c_type
, const signed int>::value
) );
42 typedef make_signed
<volatile unsigned int>::type test21v_type
;
43 VERIFY( (is_same
<test21v_type
, volatile signed int>::value
) );
45 typedef make_signed
<const volatile unsigned int>::type test21cv_type
;
46 VERIFY( (is_same
<test21cv_type
, const volatile signed int>::value
) );
48 typedef make_signed
<const char>::type test22_type
;
49 VERIFY( (is_same
<test22_type
, const signed char>::value
) );
51 #ifdef _GLIBCXX_USE_WCHAR_T
52 typedef make_signed
<volatile wchar_t>::type test23_type
;
53 VERIFY( (is_same
<test23_type
, volatile signed wchar_t>::value
) );
56 typedef make_signed
<test_enum
>::type test24_type
;
57 VERIFY( (is_same
<test24_type
, short>::value
) );
60 #ifdef _GLIBCXX_USE_INT128
61 typedef make_signed
<unsigned __int128
>::type test25_type
;
62 VERIFY( (is_same
<test25_type
, __int128
>::value
) );
64 typedef make_signed
<__int128
>::type test26_type
;
65 VERIFY( (is_same
<test26_type
, __int128
>::value
) );