| // Copyright (C) 2020-2026 Free Software Foundation, Inc. | |
| // | |
| // This file is part of the GNU ISO C++ Library. This library is free | |
| // software; you can redistribute it and/or modify it under the | |
| // terms of the GNU General Public License as published by the | |
| // Free Software Foundation; either version 3, or (at your option) | |
| // any later version. | |
| // This library is distributed in the hope that it will be useful, | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| // GNU General Public License for more details. | |
| // You should have received a copy of the GNU General Public License along | |
| // with this library; see the file COPYING3. If not see | |
| // <http://www.gnu.org/licenses/>. | |
| // { dg-do run { target c++17 } } | |
| // { dg-require-cstdint "" } | |
| #include <algorithm> | |
| #include <random> | |
| #include <testsuite_hooks.h> | |
| #include <testsuite_iterators.h> | |
| std::mt19937 rng; | |
| using std::sample; | |
| using __gnu_test::test_container; | |
| using __gnu_test::output_iterator_wrapper; | |
| using __gnu_test::forward_iterator_wrapper; | |
| void | |
| test01() | |
| { | |
| const int in = 0; | |
| test_container<const int, forward_iterator_wrapper> pop(&in, &in); | |
| int out; | |
| test_container<int, output_iterator_wrapper> samp(&out, &out + 1); | |
| auto it = sample(pop.begin(), pop.end(), samp.begin(), 1, rng); | |
| VERIFY( it.ptr == &out ); | |
| } | |
| int | |
| main() | |
| { | |
| test01(); | |
| } |