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// { dg-options "-std=gnu++0x" }

// 2008-06-26  Paolo Carlini  <paolo.carlini@oracle.com>

// Copyright (C) 2008, 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/>.

#include <algorithm>

#include <testsuite_hooks.h>

#include <testsuite_iterators.h>

using __gnu_test::test_container;

using __gnu_test::input_iterator_wrapper;

using __gnu_test::output_iterator_wrapper;

typedef test_container<int, input_iterator_wrapper> Icontainer;

typedef test_container<int, output_iterator_wrapper> Ocontainer;

int array[] = {0, 5, 2, 1, 3, 4};

bool

pred(int i)

{ return i > 2; }

void

test1()

{

  bool test __attribute__((unused)) = true;

  int true_out[1] = { -1 };

  int false_out[1] = { -1 };

  Icontainer in_con(array, array);

  Ocontainer true_out_con(true_out, true_out);

  Ocontainer false_out_con(false_out, false_out);

  std::pair<output_iterator_wrapper<int>, output_iterator_wrapper<int> > res =

    std::partition_copy(in_con.begin(), in_con.end(),

                        true_out_con.begin(), false_out_con.begin(), pred);

  VERIFY( res.first.ptr == true_out );

  VERIFY( res.second.ptr == false_out );

}

void

test2()

{

  bool test __attribute__((unused)) = true;

  int true_out[1] = { -1 };

  int false_out[1] = { -1 };

  Icontainer in_con(array, array + 2);

  Ocontainer true_out_con(true_out, true_out + 1);

  Ocontainer false_out_con(false_out, false_out + 1);

  std::pair<output_iterator_wrapper<int>, output_iterator_wrapper<int> > res =

    std::partition_copy(in_con.begin(), in_con.end(),

                        true_out_con.begin(), false_out_con.begin(), pred);

  VERIFY( res.first.ptr == true_out + 1 );

  VERIFY( res.second.ptr == false_out + 1 );

  VERIFY( true_out[0] == 5 );

  VERIFY( false_out[0] == 0 );

}

void

test3()

{

  bool test __attribute__((unused)) = true;

  int true_out[3] = { -1, -1, -1 };

  int false_out[3] = { -1, -1, -1 };

  Icontainer in_con(array, array + 6);

  Ocontainer true_out_con(true_out, true_out + 3);

  Ocontainer false_out_con(false_out, false_out + 3);

  std::pair<output_iterator_wrapper<int>, output_iterator_wrapper<int> > res =

    std::partition_copy(in_con.begin(), in_con.end(),

                        true_out_con.begin(), false_out_con.begin(), pred);

  VERIFY( res.first.ptr == true_out + 3 );

  VERIFY( res.second.ptr == false_out + 3 );

  VERIFY( true_out[0] == 5 && true_out[1] == 3 && true_out[2] == 4 );

  VERIFY( false_out[0] == 0 && false_out[1] == 2 && false_out[2] == 1 );

}

int

main()

{

  test1();

  test2();

  test3();

  return 0;

}