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7adcbafe | 1 | // Copyright (C) 2020-2022 Free Software Foundation, Inc. |
98cf2c26 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-std=gnu++2a" } | |
19 | // { dg-do run { target c++2a } } | |
20 | ||
21 | #include <utility> | |
22 | #include <limits> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | void | |
26 | test01() | |
27 | { | |
28 | unsigned int u = std::numeric_limits<unsigned int>::max(); | |
29 | VERIFY( std::in_range<unsigned int>(u) ); | |
30 | VERIFY( !std::in_range<int>(u) ); | |
31 | int s = -1; | |
32 | VERIFY( !std::in_range<unsigned int>(s) ); | |
33 | s = std::numeric_limits<int>::max(); | |
34 | VERIFY( std::in_range<unsigned int>(s) ); | |
35 | } | |
36 | ||
37 | constexpr bool | |
38 | test02() | |
39 | { | |
40 | unsigned int u = std::numeric_limits<unsigned int>::max(); | |
41 | if (std::in_range<int>(u)) | |
42 | throw 1; | |
43 | int s = -1; | |
44 | if (std::in_range<unsigned>(s)) | |
45 | throw 2; | |
46 | s = std::numeric_limits<int>::max(); | |
47 | if (!std::in_range<unsigned>(s)) | |
48 | throw 3; | |
49 | return true; | |
50 | } | |
51 | ||
52 | void | |
53 | test03() | |
54 | { | |
55 | short ss = -1; | |
56 | VERIFY( std::in_range<int>(ss) ); | |
57 | VERIFY( !std::in_range<unsigned>(ss) ); | |
58 | int s = -1; | |
59 | VERIFY( std::in_range<short>(s) ); | |
60 | VERIFY( !std::in_range<unsigned>(s) ); | |
61 | VERIFY( !std::in_range<unsigned long>(s) ); | |
62 | VERIFY( std::in_range<long>(s) ); | |
63 | s = std::numeric_limits<short>::min() - 1; | |
64 | VERIFY( !std::in_range<short>(s) ); | |
65 | ||
66 | unsigned int u = (unsigned int) -1; | |
67 | VERIFY( !std::in_range<int>(u) ); | |
68 | VERIFY( !std::in_range<unsigned short>(u) ); | |
69 | ||
70 | unsigned long ul = (unsigned long) -1; | |
71 | VERIFY( !std::in_range<unsigned short>(ul) ); | |
72 | VERIFY( std::in_range<unsigned long long>(ul) ); | |
73 | } | |
74 | ||
75 | int | |
76 | main() | |
77 | { | |
78 | test01(); | |
79 | static_assert( test02() ); | |
80 | test03(); | |
81 | } |