public function testHasErrorAndHandleArityIsFourTriggersHandler()
{
$triggered = false;
$handler = function ($err, $req, $res, $next) use(&$triggered) {
$triggered = $err;
};
$next = function ($req, $res, $err) {
Assert::fail('Next was called; it should not have been');
};
$route = new Route('/foo', $handler);
$dispatch = new Dispatch();
$err = (object) ['error' => true];
$dispatch($route, $err, $this->request->reveal(), $this->response->reveal(), $next);
$this->assertSame($err, $triggered);
}