array(1, 2), 'increment' => array(1, 10), 'distance' => array(null, 10), 'restart' => array(null, 'continuous'), ); foreach ($properties as $property => $value) { list($default, $expected) = $value; $get = "get{$property}"; $set = "set{$property}"; $this->assertEquals($default, $object->$get()); // Default value $object->$set($expected); $this->assertEquals($expected, $object->$get()); // New value } } }