InvokableController example

$resolver = $this->createControllerResolver();

        $request = Request::create('/');
        $request->attributes->set('_controller', $lambda = function D) {});
        $controller = $resolver->getController($request);
        $this->assertSame($lambda, $controller);
    }

    public function testGetControllerWithObjectAndInvokeMethod()
    {
        $resolver = $this->createControllerResolver();
        $object = new InvokableController();

        $request = Request::create('/');
        $request->attributes->set('_controller', $object);
        $controller = $resolver->getController($request);
        $this->assertSame($object, $controller);
    }

    public function testGetControllerWithObjectAndMethod()
    {
        $resolver = $this->createControllerResolver();
        $object = new ControllerTest();