1 // Copyright (C) 2019-2021 Free Software Foundation, Inc.
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-do run }
19
20 #include <algorithm>
21 #include <testsuite_hooks.h>
22
23 namespace gnu_test
24 {
25 // This is the definition from GCC 8.x, with no checks for first==middle
26 // or middle==last.
27 template<typename _ForwardIterator>
28 inline _ForwardIterator
rotate(_ForwardIterator __first,_ForwardIterator __middle,_ForwardIterator __last)29 rotate(_ForwardIterator __first, _ForwardIterator __middle,
30 _ForwardIterator __last)
31 {
32 return std::__rotate(__first, __middle, __last,
33 std::__iterator_category(__first));
34 }
35 }
36
37 void
test01()38 test01()
39 {
40 int i = 0;
41 gnu_test::rotate(&i, &i, &i+1);
42 }
43
44 int
main()45 main()
46 {
47 test01();
48 }
49