public function testMap() {
		$filter = function($rec) {
			return $rec->id . $rec->data;
		};
		$expected = array('1data1', '2data2', '3data3', '4data4');

		$result = $this->_recordSet->map($filter, array('collect' => false));
		$this->assertEqual($expected, $result);

		$result = $this->_recordSet->map($filter);

		$this->assertEqual($expected, $result->get('_data'));

		$result = $this->_objectRecordSet->map($filter, array('collect' => false));
		$this->assertEqual($expected, $result);

		$result = $this->_objectRecordSet->map($filter);
		$this->assertEqual($expected, $result->get('_data'));
	}