Tests that the object is initialized with the correct default values.

Source

						public function testConstructorDefaults() {
		$db = new MockMySql(array('autoConnect' => false));
		$result = $db->get('_config');
		$expected = array(
			'autoConnect' => false, 'encoding' => null,'persistent' => true,
			'host' => 'localhost:3306', 'login' => 'root', 'password' => '',
			'database' => null, 'init' => true
		);
		$this->assertEqual($expected, $result);
	}