public function testOffsetGet() {
		$expected = array('id' => 1, 'data' => 'data1');
		$this->assertEqual($expected, $this->_recordSet[1]->to('array'));

		$expected = array('id' => 2, 'data' => 'data2');
		$this->assertEqual($expected, $this->_recordSet[2]->to('array'));

		$expected = array('id' => 3, 'data' => 'data3');
		$this->assertEqual($expected, $this->_recordSet[3]->to('array'));

		$expected = array('id' => 4, 'data' => 'data4');
		$this->assertEqual($expected, $this->_recordSet[4]->to('array'));

		$expected = array('id' => 3, 'data' => 'data3');
		$this->assertEqual($this->_records[2], $this->_recordSet[3]->to('array'));

		$recordSet = new MockRecordSet();
		$this->assertEqual(array(), $recordSet->data());

		$this->expectException();
		$this->_recordSet[5];
	}