Lithium Docs

						public function testKey() {
		$this->assertFalse(isset($this->_recordSet[0]));

		$this->_recordSet->set('_pointer', 1);
		$this->assertEqual(2, $this->_recordSet->key());

		$this->_recordSet->set('_pointer', 2);
		$this->assertEqual(3, $this->_recordSet->key());

		$this->assertFalse(isset($this->_objectRecordSet[0]));

		$this->_objectRecordSet->set('_pointer', 1);
		$this->assertEqual(2, $this->_objectRecordSet->key());

		$this->_objectRecordSet->set('_pointer', 2);
		$this->assertEqual(3, $this->_objectRecordSet->key());
	}