public function testHandlerModification() {
		$route = new Route(array(
			'template' => '/{:id:[0-9a-f]{24}}.{:type}',
			'handler' => function($request) {
				$request->params += array('lang' => $request->env('ACCEPT_LANG') ?: 'en');
				return $request;
			}
		));

		$request = new Request(array('url' => '/4bbf25bd8ead0e5180120000.json'));
		$result = $route->parse($request);
		$lang = $request->env('ACCEPT_LANG') ?: 'en';
		$this->assertEqual($lang, $result->params['lang']);
	}