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