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1 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. | |
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-do run { target c++20 } } | |
19 | ||
20 | #include <ranges> | |
21 | #include <limits> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void | |
25 | test01() | |
26 | { | |
27 | using I = unsigned long long; | |
28 | auto imax = std::numeric_limits<I>::max(); | |
29 | std::ranges::iota_view<I, I> i(0, imax); | |
30 | auto begin = i.begin(); | |
31 | static_assert( std::input_or_output_iterator<decltype(begin)> ); | |
32 | auto size = std::ranges::end(i) - std::ranges::begin(i); | |
33 | VERIFY( size > 0 ); | |
34 | VERIFY( size == imax ); | |
35 | } | |
36 | ||
37 | void | |
38 | test02() | |
39 | { | |
40 | #if !defined(__STRICT_ANSI__) && __SIZEOF_INT128__ | |
41 | using I = unsigned __int128; | |
42 | auto imax = std::numeric_limits<I>::max(); | |
43 | std::ranges::iota_view<I, I> i(0, imax); | |
44 | auto begin = i.begin(); | |
45 | static_assert( std::input_or_output_iterator<decltype(begin)> ); | |
46 | auto size = std::ranges::end(i) - std::ranges::begin(i); | |
47 | VERIFY( size > 0 ); | |
48 | VERIFY( size == imax ); | |
49 | #endif | |
50 | } | |
51 | ||
52 | int | |
53 | main() | |
54 | { | |
55 | test01(); | |
56 | test02(); | |
57 | } |