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37cb7887 | 1 | // { dg-do run { target c++14 } } |
49ba2588 | 2 | // { dg-require-cstdint "" } |
89bc4ab1 | 3 | // { dg-require-effective-target random_device } |
18338e9e DE |
4 | // { dg-require-effective-target tls_runtime } |
5 | // { dg-add-options tls } | |
37cb7887 JW |
6 | |
7 | // Derived from: 2010-03-19 Paolo Carlini <paolo.carlini@oracle.com> | |
8 | ||
8d9254fc | 9 | // Copyright (C) 2010-2020 Free Software Foundation, Inc. |
37cb7887 JW |
10 | // |
11 | // This file is part of the GNU ISO C++ Library. This library is free | |
12 | // software; you can redistribute it and/or modify it under the | |
13 | // terms of the GNU General Public License as published by the | |
14 | // Free Software Foundation; either version 3, or (at your option) | |
15 | // any later version. | |
16 | ||
17 | // This library is distributed in the hope that it will be useful, | |
18 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | // GNU General Public License for more details. | |
21 | ||
22 | // You should have received a copy of the GNU General Public License along | |
23 | // with this library; see the file COPYING3. If not see | |
24 | // <http://www.gnu.org/licenses/>. | |
25 | ||
26 | #include <experimental/algorithm> | |
27 | #include <vector> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | void test01() | |
31 | { | |
32 | for (unsigned size = 0; size < 50; ++size) | |
33 | { | |
34 | std::vector<int> vref(size); | |
35 | std::iota(vref.begin(), vref.end(), 0); | |
36 | std::vector<int> v1(vref), v2(vref); | |
37 | ||
38 | std::experimental::shuffle(v1.begin(), v1.end()); | |
39 | std::experimental::shuffle(v2.begin(), v2.end()); | |
40 | ||
41 | if (size >= 10) | |
42 | { | |
43 | VERIFY( !std::equal(v1.begin(), v1.end(), vref.begin()) ); | |
44 | VERIFY( !std::equal(v2.begin(), v2.end(), vref.begin()) ); | |
45 | VERIFY( !std::equal(v1.begin(), v1.end(), v2.begin()) ); | |
46 | } | |
47 | ||
48 | for (unsigned ind = 0; ind < size; ++ind) | |
49 | { | |
50 | auto it1 = std::find(v1.begin(), v1.end(), vref[ind]); | |
51 | auto it2 = std::find(v2.begin(), v2.end(), vref[ind]); | |
52 | VERIFY( it1 != v1.end() ); | |
53 | VERIFY( it2 != v2.end() ); | |
54 | v1.erase(it1); | |
55 | v2.erase(it2); | |
56 | } | |
57 | VERIFY( v1.empty() ); | |
58 | VERIFY( v2.empty() ); | |
59 | } | |
60 | } | |
61 | ||
62 | int main() | |
63 | { | |
64 | test01(); | |
65 | } |