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// Copyright (C) 2016 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/>.
//
// { dg-options "-std=gnu++11" }
#include <unordered_set>
#include <testsuite_hooks.h>
void test01()
{
bool test __attribute__((unused)) = true;
std::__detail::_Power2_rehash_policy policy;
VERIFY( policy._M_next_bkt(1) == 2 );
VERIFY( policy._M_next_bkt(2) == 4 );
VERIFY( policy._M_next_bkt(3) == 4 );
VERIFY( policy._M_next_bkt(5) == 8 );
VERIFY( policy._M_next_bkt(33) == 64 );
VERIFY( policy._M_next_bkt((std::size_t(1) << (sizeof(std::size_t) * 8 - 2)) + 1)
== (std::size_t(1) << (sizeof(std::size_t) * 8 - 1)) );
}
int main()
{
test01();
return 0;
}
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