public function testGroupedExpressionWithWildcards()
 {
     $r = new Route('/foo/(bar|baz):id/*');
     $m = $r->matchUrl('/foo/bar/42');
     $this->assertInstanceOf('Kunststube\\Router\\Route', $m);
     $this->assertEquals('bar', $m->id);
     $this->assertEquals(array(42), $m->wildcardArgs());
 }