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7adcbafe | 1 | // Copyright (C) 2020-2022 Free Software Foundation, Inc. |
a73051a0 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 <vector> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | namespace ranges = std::ranges; | |
26 | ||
27 | template<typename It> | |
28 | struct sentinel | |
29 | { | |
30 | It it; | |
31 | ||
32 | friend bool | |
33 | operator==(It x, sentinel y) | |
34 | { return x == y.it; } | |
35 | }; | |
36 | ||
37 | void | |
38 | test01() | |
39 | { | |
40 | std::vector<int> v = {1,2,3,4,5}, w = {0,0,0,0,0}; | |
41 | ranges::subrange sr = {v.begin(), sentinel{v.end()}}; | |
42 | ranges::copy(sr, w.begin()); | |
43 | VERIFY( ranges::equal(w, (int[]){1,2,3,4,5}) ); | |
44 | } | |
45 | ||
46 | void | |
47 | test02() | |
48 | { | |
49 | using std::reverse_iterator; | |
50 | std::vector<int> v = {1,2,3,4,5}, w = {0,0,0,0,0}; | |
51 | ranges::subrange sr | |
52 | = {reverse_iterator{v.end()}, sentinel{reverse_iterator{v.begin()}}}; | |
53 | ranges::copy(sr, reverse_iterator{w.end()}); | |
54 | VERIFY( ranges::equal(w, (int[]){1,2,3,4,5}) ); | |
55 | } | |
56 | ||
57 | void | |
58 | test03() | |
59 | { | |
60 | using std::move_iterator; | |
61 | std::vector<int> v = {1,2,3,4,5}, w = {0,0,0,0,0}; | |
62 | ranges::subrange sr | |
63 | = {move_iterator{v.begin()}, sentinel{move_iterator{v.end()}}}; | |
64 | ranges::copy(sr, w.begin()); | |
65 | VERIFY( ranges::equal(w, (int[]){1,2,3,4,5}) ); | |
66 | } | |
67 | ||
68 | int | |
69 | main() | |
70 | { | |
71 | test01(); | |
72 | test02(); | |
73 | test03(); | |
74 | } |