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52066eae | 1 | // { dg-do compile { target c++11 } } |
7b50cdef BK |
2 | |
3 | // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> | |
4 | // | |
7adcbafe | 5 | // Copyright (C) 2007-2022 Free Software Foundation, Inc. |
7b50cdef BK |
6 | // |
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 | |
748086b7 | 10 | // Free Software Foundation; either version 3, or (at your option) |
7b50cdef BK |
11 | // any later version. |
12 | // | |
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. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
19 | // with this library; see the file COPYING3. If not see |
20 | // <http://www.gnu.org/licenses/>. | |
7b50cdef BK |
21 | |
22 | #include <type_traits> | |
7b50cdef BK |
23 | |
24 | enum test_enum { first_selection }; | |
25 | ||
26 | void test01() | |
27 | { | |
7b50cdef BK |
28 | using std::make_signed; |
29 | using std::is_same; | |
ce72d1aa | 30 | using std::is_signed; |
bb85ec6e | 31 | using std::is_volatile; |
7b50cdef BK |
32 | |
33 | // Positive tests. | |
34 | typedef make_signed<const int>::type test2_type; | |
4457e88c JW |
35 | static_assert( is_same<test2_type, const int>::value, |
36 | "make_signed<const int>" ); | |
7b50cdef BK |
37 | |
38 | typedef make_signed<const unsigned int>::type test21c_type; | |
4457e88c JW |
39 | static_assert( is_same<test21c_type, const signed int>::value, |
40 | "make_signed<const unsigned int>" ); | |
7b50cdef BK |
41 | |
42 | typedef make_signed<volatile unsigned int>::type test21v_type; | |
4457e88c JW |
43 | static_assert( is_same<test21v_type, volatile signed int>::value, |
44 | "make_signed<volatile unsigned int>" ); | |
7b50cdef BK |
45 | |
46 | typedef make_signed<const volatile unsigned int>::type test21cv_type; | |
4457e88c JW |
47 | static_assert( is_same<test21cv_type, const volatile signed int>::value, |
48 | "make_signed<const volatile unsigned int>" ); | |
7b50cdef BK |
49 | |
50 | typedef make_signed<const char>::type test22_type; | |
4457e88c JW |
51 | static_assert( is_same<test22_type, const signed char>::value, |
52 | "make_signed<const char>" ); | |
7b50cdef BK |
53 | |
54 | typedef make_signed<volatile wchar_t>::type test23_type; | |
bb85ec6e JW |
55 | static_assert( is_signed<test23_type>::value |
56 | && is_volatile<test23_type>::value | |
57 | && sizeof(test23_type) == sizeof(volatile wchar_t), | |
4457e88c | 58 | "make_signed<volatile wchar_t>" ); |
7b50cdef | 59 | |
ce72d1aa | 60 | // Chapter 48, chapter 20. Smallest rank such that new signed type same size. |
6d585f01 | 61 | typedef make_signed<test_enum>::type test24_type; |
4457e88c JW |
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" ); | |
6d585f01 | 66 | |
2f297149 | 67 | #ifndef __STRICT_ANSI__ |
6d585f01 | 68 | // GNU Extensions. |
29a9de9b | 69 | #ifdef __SIZEOF_INT128__ |
fd1e62c2 | 70 | typedef make_signed<unsigned __int128>::type test25_type; |
4457e88c JW |
71 | static_assert( is_same<test25_type, __int128>::value, |
72 | "make_signed<unsigned __int128>" ); | |
6d585f01 | 73 | |
fd1e62c2 | 74 | typedef make_signed<__int128>::type test26_type; |
4457e88c JW |
75 | static_assert( is_same<test26_type, __int128>::value, |
76 | "make_signed<__int128>" ); | |
6d585f01 | 77 | #endif |
2f297149 | 78 | #endif |
7b50cdef | 79 | } |