libstdc++-v3/testsuite/25_algorithms/rotate/90920.cc

   1 // Copyright (C) 2019-2022 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
  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
  38 test01()
  39 {
  40   int i = 0;
  41   gnu_test::rotate(&i, &i, &i+1);
  42 }
  43
  44 int
  45 main()
  46 {
  47   test01();
  48 }