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f1717362 | 1 | // Copyright (C) 2013-2016 Free Software Foundation, Inc. |
bf7468d8 | 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++11" } | |
19 | // { dg-options "-std=gnu++11 -DSIMULATOR_TEST" { target simulator } } | |
20 | // { dg-require-cstdint "" } | |
21 | ||
22 | // 25.4.1.4 [lib.alg.partial.sort.copy] | |
23 | ||
24 | #include <algorithm> | |
25 | #include <random> | |
26 | #include <vector> | |
27 | #include <testsuite_hooks.h> | |
28 | #include <testsuite_iterators.h> | |
29 | #include <testsuite_containergen.h> | |
30 | ||
31 | using __gnu_test::test_container; | |
32 | using __gnu_test::random_access_iterator_wrapper; | |
33 | ||
34 | typedef test_container<int, random_access_iterator_wrapper> Container; | |
35 | ||
36 | struct testPartialSortCopy | |
37 | { | |
38 | template<typename Container, typename RandomGen> | |
39 | void operator()(Container con, RandomGen& rg) | |
40 | { | |
41 | bool test __attribute__((unused)) = true; | |
42 | ||
43 | const int size = con.end() - con.begin(); | |
44 | auto dist = std::uniform_int_distribution<>(0, size); | |
45 | const int element = dist(rg); | |
46 | ||
47 | std::vector<int> outvec(element + 1); // add +1 to avoid empty issues | |
48 | ||
49 | Container out(outvec.data(), outvec.data() + element); | |
50 | ||
51 | std::partial_sort_copy(con.begin(), con.end(), | |
52 | out.begin(), out.begin() + element); | |
53 | ||
54 | VERIFY( std::is_sorted(out.begin(), out.begin() + element) ); | |
55 | ||
56 | std::sort(con.begin(), con.end()); | |
57 | ||
58 | for (int i = 0; i < element; ++i) | |
59 | VERIFY( con.val(i) == out.val(i) ); | |
60 | } | |
61 | }; | |
62 | ||
63 | int | |
64 | main() | |
65 | { | |
66 | __gnu_test::test_containers<Container>(testPartialSortCopy()); | |
67 | } |