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// 2004-11-29  Paolo Carlini  <pcarlini@suse.de>

// Copyright (C) 2004 Free Software Foundation

//

// 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.

// 21.3.3 string capacity

#include <string>

#include <testsuite_hooks.h>

// libstdc++/18654

void test01()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  typedef wstring::size_type size_type;

  // Our current implementation provides exact shrink-to-size

  // and shrink-to-fit (in the future, maybe this will change

  // for short strings).

  const size_type minsize = 2 << 0;

  const size_type maxsize = 2 << 20;

  for (size_type i = minsize; i <= maxsize; i *= 2)

    {

      wstring str(i, L'x');

      str.reserve(3 * i);

      str.reserve(2 * i);

      VERIFY( str.capacity() == 2 * i );

      str.reserve();

      VERIFY( str.capacity() == i );

    }

}

int main()

{

  test01();

  return 0;

}