@expectedException \Symfony\Component\Routing\Exception\InvalidParameterException
public function testGenerateForRouteWithInvalidOptionalParameter() {
$routes = $this
->getRoutes('test', new Route('/testing/{foo}', array(
'foo' => '1',
), array(
'foo' => 'd+',
)));
$this
->getGenerator($routes)
->generate('test', array(
'foo' => 'bar',
), true);
}