blob: 8bd69da009e2c3ff04d71e043041af06af898a0f [file] [log] [blame]
// { dg-do run { target c++11 } }
// 2010-03-10 Paolo Carlini <paolo.carlini@oracle.com>
//
// Copyright (C) 2010-2022 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_map>
#include <testsuite_hooks.h>
// DR 1189. Awkward interface for changing the number of buckets
// in an unordered associative container
void test01()
{
std::unordered_map<int, double> m1;
m1.reserve(10);
VERIFY( m1.bucket_count() >= 10 );
m1.reserve(100);
VERIFY( m1.bucket_count() >= 100 );
std::unordered_map<int, double> m2(100);
VERIFY( m2.bucket_count() >= 100 );
m2.reserve(1000);
VERIFY( m2.bucket_count() >= 1000 );
}
int main()
{
test01();
return 0;
}