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// Copyright (C) 2005-2023 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/>.
// 25.1.6 count_if
#include <algorithm>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
using __gnu_test::test_container;
using __gnu_test::input_iterator_wrapper;
typedef test_container<int, input_iterator_wrapper> Container;
int array[] = {0, 0, 0, 1, 0, 1};
bool
predicate(const int& i)
{ return i == 1; }
void
test1()
{
Container con(array, array);
VERIFY(std::count_if(con.begin(), con.end(),
predicate) == 0);
}
void
test2()
{
Container con(array, array + 1);
VERIFY(std::count_if(con.begin(), con.end(),
predicate) == 0);
}
void
test3()
{
Container con(array, array + 6);
VERIFY(std::count_if(con.begin(), con.end(),
predicate) == 2);
}
int
main()
{
test1();
test2();
test3();
}