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1 | // { dg-options "-std=gnu++11" } |
2 | // { dg-do compile } | |
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3 | |
4 | // 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> | |
5 | // | |
405feeb8 | 6 | // Copyright (C) 2007-2013 Free Software Foundation, Inc. |
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7 | // |
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 | |
748086b7 | 11 | // Free Software Foundation; either version 3, or (at your option) |
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12 | // any later version. |
13 | // | |
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. | |
18 | // | |
19 | // You should have received a copy of the GNU General Public License along | |
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20 | // with this library; see the file COPYING3. If not see |
21 | // <http://www.gnu.org/licenses/>. | |
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22 | |
23 | #include <type_traits> | |
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24 | |
25 | enum test_enum { first_selection }; | |
26 | ||
27 | void test01() | |
28 | { | |
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29 | using std::make_unsigned; |
30 | using std::is_same; | |
ce72d1aa | 31 | using std::is_unsigned; |
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32 | |
33 | // Positive tests. | |
34 | typedef make_unsigned<const unsigned int>::type test2_type; | |
44916fe1 | 35 | static_assert(is_same<test2_type, const unsigned int>::value, ""); |
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36 | |
37 | typedef make_unsigned<const signed int>::type test21c_type; | |
44916fe1 | 38 | static_assert(is_same<test21c_type, const unsigned int>::value, ""); |
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39 | |
40 | typedef make_unsigned<volatile signed int>::type test21v_type; | |
44916fe1 | 41 | static_assert(is_same<test21v_type, volatile unsigned int>::value, ""); |
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42 | |
43 | typedef make_unsigned<const volatile signed int>::type test21cv_type; | |
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44 | static_assert(is_same<test21cv_type, |
45 | const volatile unsigned int>::value, ""); | |
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46 | |
47 | typedef make_unsigned<const char>::type test22_type; | |
44916fe1 | 48 | static_assert(is_same<test22_type, const unsigned char>::value, ""); |
7b50cdef | 49 | |
2c4b148c | 50 | #ifdef _GLIBCXX_USE_WCHAR_T |
7b50cdef | 51 | typedef make_unsigned<volatile wchar_t>::type test23_type; |
44916fe1 | 52 | static_assert(is_same<test23_type, volatile wchar_t>::value, ""); |
2c4b148c | 53 | #endif |
7b50cdef | 54 | |
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55 | // Chapter 48, chapter 20. Smallest rank such that new unsigned type |
56 | // same size. | |
fd1e62c2 | 57 | typedef make_unsigned<test_enum>::type test24_type; |
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58 | static_assert(is_unsigned<test24_type>::value, ""); |
59 | static_assert(sizeof(test24_type) == sizeof(test_enum), ""); | |
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60 | |
61 | // GNU Extensions. | |
62 | #ifdef _GLIBCXX_USE_INT128 | |
fd1e62c2 | 63 | typedef make_unsigned<unsigned __int128>::type test25_type; |
44916fe1 | 64 | static_assert(is_same<test25_type, unsigned __int128>::value, ""); |
6d585f01 | 65 | |
fd1e62c2 | 66 | typedef make_unsigned<__int128>::type test26_type; |
44916fe1 | 67 | static_assert(is_same<test26_type, unsigned __int128>::value, ""); |
6d585f01 | 68 | #endif |
7b50cdef | 69 | } |