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1 | // { dg-do run { target c++14 } } |
2 | ||
3 | // Derived from: 2010-03-19 Paolo Carlini <paolo.carlini@oracle.com> | |
4 | ||
5 | // Copyright (C) 2010-2018 Free Software Foundation, Inc. | |
6 | // | |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
10 | // Free Software Foundation; either version 3, or (at your option) | |
11 | // any later version. | |
12 | ||
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License along | |
19 | // with this library; see the file COPYING3. If not see | |
20 | // <http://www.gnu.org/licenses/>. | |
21 | ||
22 | #include <experimental/algorithm> | |
23 | #include <vector> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | void test01() | |
27 | { | |
28 | for (unsigned size = 0; size < 50; ++size) | |
29 | { | |
30 | std::vector<int> vref(size); | |
31 | std::iota(vref.begin(), vref.end(), 0); | |
32 | std::vector<int> v1(vref), v2(vref); | |
33 | ||
34 | std::experimental::shuffle(v1.begin(), v1.end()); | |
35 | std::experimental::shuffle(v2.begin(), v2.end()); | |
36 | ||
37 | if (size >= 10) | |
38 | { | |
39 | VERIFY( !std::equal(v1.begin(), v1.end(), vref.begin()) ); | |
40 | VERIFY( !std::equal(v2.begin(), v2.end(), vref.begin()) ); | |
41 | VERIFY( !std::equal(v1.begin(), v1.end(), v2.begin()) ); | |
42 | } | |
43 | ||
44 | for (unsigned ind = 0; ind < size; ++ind) | |
45 | { | |
46 | auto it1 = std::find(v1.begin(), v1.end(), vref[ind]); | |
47 | auto it2 = std::find(v2.begin(), v2.end(), vref[ind]); | |
48 | VERIFY( it1 != v1.end() ); | |
49 | VERIFY( it2 != v2.end() ); | |
50 | v1.erase(it1); | |
51 | v2.erase(it2); | |
52 | } | |
53 | VERIFY( v1.empty() ); | |
54 | VERIFY( v2.empty() ); | |
55 | } | |
56 | } | |
57 | ||
58 | int main() | |
59 | { | |
60 | test01(); | |
61 | } |