/**
* @param \Iterator $it
* @param number $min
* @param number $max
* @param number $avg
* @param number $sum
* @param callable $predicate
*
* @dataProvider numberDataProvider
*/
public function testSum(\Iterator $it, $min, $max, $avg, $sum, callable $predicate = null)
{
$this->assertEquals($sum, $it->sum($predicate));
}
