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// Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 25.3.4 [lib.alg.merge]

#include <algorithm>

#include <testsuite_hooks.h>

#include <testsuite_iterators.h>

using __gnu_test::test_container;

using __gnu_test::bidirectional_iterator_wrapper;

using std::inplace_merge;

typedef test_container<int, bidirectional_iterator_wrapper> container;

void

test1()

{

  int array[]={1};

  container con1(array, array);

  inplace_merge(con1.begin(), con1.end(), con1.end());

  container con2(array, array + 1);

  inplace_merge(con2.begin(), con2.end(), con2.end());

  inplace_merge(con2.begin(), con2.begin(), con2.end());

}

void

test2()

{

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

  container con(array, array + 6);

  inplace_merge(con.begin(), con.it(3), con.end());

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

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

}

struct S

{

  int a;

  int b;

  S(int _a, int _b) : a(_a), b(_b) { }

  S() { }

  bool

  operator<(const S& _s) const

  { return _s.a < a; }

};

void

test3()

{

  S s[4];

  s[0].a = 0;

  s[1].a = 1;

  s[2].a = 0;

  s[3].a = 1;

  s[0].b = 0;

  s[1].b = 0;

  s[2].b = 1;

  s[3].b = 1;

  inplace_merge(s, s + 2, s + 4);

  VERIFY(s[0].b == 0 && s[1].b == 1 && s[2].b == 0 && s[3].b == 1);

}

int

main()

{

  test1();

}