public function testFilterWithCustomRules()
 {
     $name = 'Kuchen ist besser.jpg';
     $filter = new FileNameFilter();
     $filter->setTransliterator(false);
     $filter->setReplacements(array('/[\\s-]/' => '_'));
     $this->assertEquals('Kuchen_ist_besser.jpg', $filter->filter($name));
 }