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99dee823 | 1 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
cba9ef06 PP |
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 <algorithm> | |
22 | #include <ranges> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_iterators.h> | |
25 | ||
26 | using __gnu_test::test_range; | |
27 | using __gnu_test::forward_iterator_wrapper; | |
28 | ||
29 | namespace ranges = std::ranges; | |
30 | namespace views = ranges::views; | |
31 | ||
32 | void | |
33 | test01() | |
34 | { | |
35 | int x[] = {0,1,2,3,4,5,0,1,2,3,4,5}; | |
36 | auto v = views::counted(x, 5); | |
37 | VERIFY( ranges::equal(v, (int[]){0,1,2,3,4}) ); | |
38 | using R = decltype(v); | |
39 | static_assert(ranges::view<R>); | |
40 | static_assert(ranges::sized_range<R>); | |
41 | static_assert(ranges::common_range<R>); | |
42 | static_assert(ranges::random_access_range<R>); | |
43 | } | |
44 | ||
45 | void | |
46 | test02() | |
47 | { | |
48 | int x[] = {0,1,2,3,4,5,0,1,2,3,4,5}; | |
49 | test_range<int, forward_iterator_wrapper> rx(x); | |
50 | auto v = views::counted(rx.begin(), 5); | |
51 | VERIFY( ranges::equal(v, (int[]){0,1,2,3,4}) ); | |
52 | using R = decltype(v); | |
53 | static_assert(ranges::view<R>); | |
54 | static_assert(ranges::sized_range<R>); | |
55 | static_assert(!ranges::common_range<R>); | |
56 | static_assert(!ranges::bidirectional_range<R>); | |
57 | } | |
58 | ||
59 | int | |
60 | main() | |
61 | { | |
62 | test01(); | |
63 | test02(); | |
64 | } |