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// Copyright (C) 2006, 2007, 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/>.

// 25.2.8 [lib.alg.unique]

#include <algorithm>

#include <functional>

#include <testsuite_hooks.h>

#include <testsuite_iterators.h>

using __gnu_test::test_container;

using __gnu_test::forward_iterator_wrapper;

using __gnu_test::output_iterator_wrapper;

using std::unique_copy;

using std::equal_to;

typedef test_container<int, forward_iterator_wrapper> Fcontainer;

typedef test_container<int, output_iterator_wrapper> Ocontainer;

int array1[] = {0, 0, 0, 1, 1, 1};

int array2[2];

void

test1()

{

  bool test __attribute__((unused)) = true;

  Fcontainer con1(array1, array1);

  Ocontainer con2(array2, array2);

  VERIFY( unique_copy(con1.begin(), con1.end(), con2.begin()).ptr == array2 );

}

void

test2()

{

  bool test __attribute__((unused)) = true;

  Fcontainer con1(array1, array1 + 6);

  Ocontainer con2(array2, array2 + 2);

  VERIFY( unique_copy(con1.begin(), con1.end(), con2.begin()).ptr

          == array2 + 2 );

  VERIFY( array2[0] == 0 && array2[1] == 1 );

}

void

test3()

{

  bool test __attribute__((unused)) = true;

  Fcontainer con1(array1, array1);

  Ocontainer con2(array2, array2);

  VERIFY( unique_copy(con1.begin(), con1.end(), con2.begin(),

                      equal_to<int>()).ptr == array2 );

}

void

test4()

{

  bool test __attribute__((unused)) = true;

  Fcontainer con1(array1, array1 + 6);

  Ocontainer con2(array2, array2 + 2);

  VERIFY( unique_copy(con1.begin(), con1.end(), con2.begin(),

                      equal_to<int>()).ptr == array2 + 2 );

  VERIFY( array2[0] == 0 && array2[1] == 1 );

}

int

main()

{

  test1();

  test2();

  test3();

  test4();

}