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8868286e | 1 | // { dg-options "-std=gnu++11 -funsigned-char -fshort-enums" } |
2 | // { dg-options "-std=gnu++11 -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux-* } } | |
439d14a0 | 3 | // { dg-do compile } |
6b75e122 | 4 | |
5 | // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> | |
6 | // | |
f1717362 | 7 | // Copyright (C) 2007-2016 Free Software Foundation, Inc. |
6b75e122 | 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 | |
6bc9506f | 12 | // Free Software Foundation; either version 3, or (at your option) |
6b75e122 | 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 | |
6bc9506f | 21 | // with this library; see the file COPYING3. If not see |
22 | // <http://www.gnu.org/licenses/>. | |
6b75e122 | 23 | |
24 | #include <type_traits> | |
6b75e122 | 25 | |
42c6f5c5 | 26 | // Ensure that this enum has "short" as its underlying type. |
27 | enum test_enum { first_selection = ((unsigned char)-1) + 1 }; | |
6b75e122 | 28 | |
29 | void test01() | |
30 | { | |
6b75e122 | 31 | using std::make_signed; |
32 | using std::is_same; | |
1084718c | 33 | using std::is_signed; |
34 | using std::is_volatile; | |
6b75e122 | 35 | |
36 | // Positive tests. | |
37 | typedef make_signed<const int>::type test2_type; | |
439d14a0 | 38 | static_assert(is_same<test2_type, const int>::value, ""); |
6b75e122 | 39 | |
40 | typedef make_signed<const unsigned int>::type test21c_type; | |
439d14a0 | 41 | static_assert(is_same<test21c_type, const signed int>::value, ""); |
6b75e122 | 42 | |
43 | typedef make_signed<volatile unsigned int>::type test21v_type; | |
439d14a0 | 44 | static_assert(is_same<test21v_type, volatile signed int>::value, ""); |
6b75e122 | 45 | |
46 | typedef make_signed<const volatile unsigned int>::type test21cv_type; | |
439d14a0 | 47 | static_assert(is_same<test21cv_type, |
48 | const volatile signed int>::value, ""); | |
6b75e122 | 49 | |
50 | typedef make_signed<const char>::type test22_type; | |
439d14a0 | 51 | static_assert(is_same<test22_type, const signed char>::value, ""); |
6b75e122 | 52 | |
66ece44c | 53 | #ifdef _GLIBCXX_USE_WCHAR_T |
6b75e122 | 54 | typedef make_signed<volatile wchar_t>::type test23_type; |
1084718c | 55 | static_assert(is_signed<test23_type>::value |
56 | && is_volatile<test23_type>::value | |
57 | && sizeof(test23_type) == sizeof(volatile wchar_t), ""); | |
66ece44c | 58 | #endif |
6b75e122 | 59 | |
a3ee70c2 | 60 | typedef make_signed<test_enum>::type test24_type; |
439d14a0 | 61 | static_assert(is_same<test24_type, short>::value, ""); |
a3ee70c2 | 62 | |
63 | // GNU Extensions. | |
64 | #ifdef _GLIBCXX_USE_INT128 | |
52628f41 | 65 | typedef make_signed<unsigned __int128>::type test25_type; |
439d14a0 | 66 | static_assert(is_same<test25_type, __int128>::value, ""); |
a3ee70c2 | 67 | |
52628f41 | 68 | typedef make_signed<__int128>::type test26_type; |
439d14a0 | 69 | static_assert(is_same<test26_type, __int128>::value, ""); |
a3ee70c2 | 70 | #endif |
6b75e122 | 71 | } |