public function testDescribe() {
		$sql = 'CREATE TABLE [foo] ([bar] VARCHAR(20) NOT NULL DEFAULT baz);';
		$this->db->read($sql, array('return' => 'resource'));
		$result = $this->db->describe('foo');
		$expected = array(
		  'bar' => array (
		  'type' => 'VARCHAR',
		  'length' => '20',
		  'null' => true,
		  'default' => 'baz'
		  )
		);
    $this->assertEqual($expected, $result);
	}