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

// 2010-08-13  Paolo Carlini  <paolo.carlini@oracle.com>

//

// Copyright (C) 2010 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 <unordered_set>

#include <testsuite_hooks.h>

// libstdc++/26132

void test01()

{

  bool test __attribute__((unused)) = true;

  for (float lf = 1.0; lf < 101.0; lf *= 10.0)

    for (int size = 1; size <= 6561; size *= 3)

      {

        std::unordered_set<int> us1;

        typedef std::unordered_set<int>::size_type size_type;

        us1.max_load_factor(10.0);

        for (int i = 0; i < size; ++i)

          us1.insert(i);

        us1.max_load_factor(lf);

        for (int i = 1; i <= 6561; i *= 81)

          {

            const size_type n = size * 81 / i;

            us1.rehash(n);

            VERIFY( us1.bucket_count() > us1.size() / us1.max_load_factor() );

            VERIFY( us1.bucket_count() >= n );

          }

      }

}

int main()

{

  test01();

  return 0;

}