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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-* } } | |
3 | // { dg-do compile } | |
4 | ||
5 | // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> | |
6 | // | |
7 | // Copyright (C) 2007-2014 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. | |
27 | enum test_enum { first_selection = ((unsigned char)-1) + 1 }; | |
28 | ||
29 | void test01() | |
30 | { | |
31 | using std::make_signed; | |
32 | using std::is_same; | |
33 | ||
34 | // Positive tests. | |
35 | typedef make_signed<const int>::type test2_type; | |
36 | static_assert(is_same<test2_type, const int>::value, ""); | |
37 | ||
38 | typedef make_signed<const unsigned int>::type test21c_type; | |
39 | static_assert(is_same<test21c_type, const signed int>::value, ""); | |
40 | ||
41 | typedef make_signed<volatile unsigned int>::type test21v_type; | |
42 | static_assert(is_same<test21v_type, volatile signed int>::value, ""); | |
43 | ||
44 | typedef make_signed<const volatile unsigned int>::type test21cv_type; | |
45 | static_assert(is_same<test21cv_type, | |
46 | const volatile signed int>::value, ""); | |
47 | ||
48 | typedef make_signed<const char>::type test22_type; | |
49 | static_assert(is_same<test22_type, const signed char>::value, ""); | |
50 | ||
51 | #ifdef _GLIBCXX_USE_WCHAR_T | |
52 | typedef make_signed<volatile wchar_t>::type test23_type; | |
53 | static_assert(is_same<test23_type, volatile signed wchar_t>::value, ""); | |
54 | #endif | |
55 | ||
56 | typedef make_signed<test_enum>::type test24_type; | |
57 | static_assert(is_same<test24_type, short>::value, ""); | |
58 | ||
59 | // GNU Extensions. | |
60 | #ifdef _GLIBCXX_USE_INT128 | |
61 | typedef make_signed<unsigned __int128>::type test25_type; | |
62 | static_assert(is_same<test25_type, __int128>::value, ""); | |
63 | ||
64 | typedef make_signed<__int128>::type test26_type; | |
65 | static_assert(is_same<test26_type, __int128>::value, ""); | |
66 | #endif | |
67 | } |