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99dee823 | 1 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
bc464641 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 <testsuite_hooks.h> | |
23 | #include <testsuite_iterators.h> | |
24 | ||
25 | using __gnu_test::test_container; | |
26 | using __gnu_test::test_range; | |
27 | using __gnu_test::forward_iterator_wrapper; | |
28 | ||
29 | namespace ranges = std::ranges; | |
30 | ||
31 | void | |
32 | test01() | |
33 | { | |
34 | float x[] = {1, 2, 3, 4, 5, 5, 6, 7}; | |
35 | test_container<float, forward_iterator_wrapper> cx(x); | |
36 | for (int i = 0; i < 7; i++) | |
37 | { | |
38 | VERIFY( ranges::binary_search(cx, i, {}, [] (int a) { return a-1; }) ); | |
39 | VERIFY( !ranges::binary_search(cx.begin(), cx.end(), i+0.5) ); | |
40 | } | |
41 | VERIFY( !ranges::binary_search(cx, 0) ); | |
42 | ||
43 | ranges::reverse(x); | |
44 | test_range<float, forward_iterator_wrapper> rx(x); | |
45 | VERIFY( ranges::binary_search(rx, 5, ranges::greater{}) ); | |
46 | } | |
47 | ||
48 | constexpr bool | |
49 | test02() | |
50 | { | |
51 | int x[] = {1, 2, 3}; | |
52 | return (ranges::binary_search(x, 3) | |
53 | && !ranges::binary_search(x, x, 3)); | |
54 | } | |
55 | ||
56 | int | |
57 | main() | |
58 | { | |
59 | test01(); | |
60 | static_assert(test02()); | |
61 | } |