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// Copyright (C) 2005, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 25.2.10 rotate

#include <algorithm>

#include <testsuite_hooks.h>

#include <testsuite_iterators.h>

using __gnu_test::test_container;

using __gnu_test::forward_iterator_wrapper;

using __gnu_test::bidirectional_iterator_wrapper;

using __gnu_test::random_access_iterator_wrapper;

typedef test_container<int, forward_iterator_wrapper> Fcontainer;

typedef test_container<int, bidirectional_iterator_wrapper> Bcontainer;

typedef test_container<int, random_access_iterator_wrapper> Rcontainer;

void

test1()

{

  bool test __attribute__((unused)) = true;

  int array[]={1};

  Fcontainer fcon(array, array);

  Bcontainer bcon(array, array);

  Rcontainer rcon(array, array);

  std::rotate(fcon.begin(), fcon.begin(), fcon.end());

  std::rotate(bcon.begin(), bcon.begin(), bcon.end());

  std::rotate(rcon.begin(), rcon.begin(), rcon.end());

}

void

test2()

{

  bool test __attribute__((unused)) = true;

  int array[] = {1};

  Fcontainer fcon(array, array + 1);

  Bcontainer bcon(array, array + 1);

  Rcontainer rcon(array, array + 1);

  std::rotate(fcon.begin(), fcon.begin(), fcon.end());

  std::rotate(bcon.begin(), bcon.begin(), bcon.end());

  std::rotate(rcon.begin(), rcon.begin(), rcon.end());

  std::rotate(fcon.begin(), fcon.end(), fcon.end());

  std::rotate(bcon.begin(), bcon.end(), bcon.end());

  std::rotate(rcon.begin(), rcon.end(), rcon.end());

}

void

test3()

{

  bool test __attribute__((unused)) = true;

  int array[] = {1, 2, 3, 4, 5};

  Fcontainer fcon(array, array + 5);

  Bcontainer bcon(array, array + 5);

  Rcontainer rcon(array, array + 5);

  std::rotate(fcon.begin(), fcon.it(2), fcon.end());

  VERIFY(array[0] == 3 && array[1] == 4 && array[2] == 5 &&

         array[3] == 1 && array[4] == 2);

  std::rotate(bcon.begin(), bcon.it(2), bcon.end());

  VERIFY(array[0] == 5 && array[1] == 1 && array[2] == 2 &&

         array[3] == 3 && array[4] == 4);

  std::rotate(rcon.begin(), rcon.it(2), rcon.end());

  VERIFY(array[0] == 2 && array[1] == 3 && array[2] == 4 &&

         array[3] == 5 && array[4] == 1);

}

void

test4()

{

  bool test __attribute__((unused)) = true;

  int array[] = {1, 2, 3, 4};

  Fcontainer fcon(array, array + 4);

  Bcontainer bcon(array, array + 4);

  Rcontainer rcon(array, array + 4);

  std::rotate(fcon.begin(), fcon.it(3), fcon.end());

  VERIFY(array[0] == 4 && array[1] == 1 && array[2] == 2 &&

         array[3] == 3);

  std::rotate(bcon.begin(), bcon.it(3), bcon.end());

  VERIFY(array[0] == 3 && array[1] == 4 && array[2] == 1 &&

         array[3] == 2);

  std::rotate(rcon.begin(), rcon.it(3), rcon.end());

  VERIFY(array[0] == 2 && array[1] == 3 && array[2] == 4 &&

         array[3] == 1);

}

void

test5()

{

  bool test __attribute__((unused)) = true;

  int array[] = {1, 2, 3, 4};

  Rcontainer con(array, array + 4);

  std::rotate(con.begin(), con.it(2), con.end());

  VERIFY(array[0] == 3 && array[1] == 4 && array[2] == 1 &&

         array[3] == 2);

}

int

main()

{

  test1();

  test2();

  test3();

  test4();

  test5();

}