/**
* @param \Iterator $it
* @param mixed $first
* @param mixed $last
* @param int $count
* @param callable $predicate
*
* @dataProvider dataProvider
*/
public function testEach(\Iterator $it, $first, $last, $count, callable $predicate = null)
{
$it->each(function ($item) use(&$count) {
$count--;
}, $predicate);
$this->assertEquals(0, $count);
}
