public function testValidPatternGeneration() {
		$route = new Route(array(
			'template' => '/posts/list/{:foobar:[0-9a-f]{5}}/todday/fooo',
			'params' => array('controller' => 'posts', 'action' => 'archive')
		));

		$expected = '@^/posts/list(?:/(?P<foobar>[0-9a-f]{5}))/todday/fooo$@';
		$result = $route->export();
		$this->assertEqual($expected, $result['pattern']);
	}