public function testSetMaxLength() { $length = 10; $filter = new Kornak_Filter_MaxLength(); $filter->setMaxLength($length); $this->assertSame($length, $filter->getMaxLength(), 'The maximum length should be definable'); $object = $filter->setMaxLength(12); $this->assertTrue($object instanceof Zend_Filter_Interface, 'The setters should implement fluent interface'); }