lithium\tests\cases\data\collection\RecordSetTest::testReduce PHP Method

    public function testReduce()
    {
        $filter = function ($memo, $rec) {
            return $memo + $rec->id;
        };
        $expected = 10;
        $result = $this->_recordSet->reduce($filter, 0);
        $this->assertEqual($expected, $result);
    }