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52066eae | 1 | // { dg-do run { target c++11 } } |
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2 | // { dg-add-options ieee } |
3 | ||
4 | // 2010-02-25 Ed Smith-Rowland | |
5 | ||
a5544970 | 6 | // Copyright (C) 2010-2019 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 | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | // 18.2.1.1 template class numeric_limits | |
24 | ||
25 | #include <limits> | |
26 | #include <type_traits> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | template<typename T> | |
30 | void | |
31 | do_test(std::true_type) | |
32 | { | |
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33 | T limits_min = std::numeric_limits<T>::min(); |
34 | VERIFY( std::numeric_limits<T>::lowest() == limits_min ); | |
35 | } | |
36 | ||
37 | template<typename T> | |
38 | void | |
39 | do_test(std::false_type) | |
40 | { | |
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41 | T limits_max = std::numeric_limits<T>::max(); |
42 | VERIFY( std::numeric_limits<T>::lowest() == -limits_max ); | |
43 | } | |
44 | ||
45 | template<typename Tp> | |
46 | void | |
47 | do_test() | |
48 | { do_test<Tp>(typename std::is_integral<Tp>::type()); } | |
49 | ||
50 | void test01() | |
51 | { | |
52 | do_test<char>(); | |
53 | do_test<signed char>(); | |
54 | do_test<unsigned char>(); | |
89a5f486 | 55 | #ifdef _GLIBCXX_USE_WCHAR_T |
018afad3 | 56 | do_test<wchar_t>(); |
89a5f486 | 57 | #endif |
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58 | do_test<char16_t>(); |
59 | do_test<char32_t>(); | |
60 | ||
61 | do_test<short>(); | |
62 | do_test<unsigned short>(); | |
63 | ||
64 | do_test<int>(); | |
65 | do_test<unsigned int>(); | |
66 | ||
67 | do_test<long>(); | |
68 | do_test<unsigned long>(); | |
69 | ||
70 | do_test<long long>(); | |
71 | do_test<unsigned long long>(); | |
72 | ||
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73 | // GNU Extensions. |
74 | #ifdef _GLIBCXX_USE_INT128 | |
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75 | do_test<__int128>(); |
76 | do_test<unsigned __int128>(); | |
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77 | #endif |
78 | ||
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79 | do_test<float>(); |
80 | do_test<double>(); | |
81 | do_test<long double>(); | |
82 | } | |
83 | ||
84 | int main() | |
85 | { | |
86 | test01(); | |
87 | return 0; | |
88 | } |