ZendTest\Stratigility\NextTest::testNestedNextInvocationWithAnErrorShouldDispatchErrorMiddleware PHP Method

    public function testNestedNextInvocationWithAnErrorShouldDispatchErrorMiddleware()
    {
        $internalQueue = clone $this->queue;
        $internalQueue->enqueue(new Route('/', function ($request, $response, $next) {
            return $next($request, $response, 'ERROR');
        }));
        $nextDelegateQueue = clone $this->queue;
        $nextDelegateQueue->enqueue(new Route('/', function ($err, $request, $response, $next) {
            $response->getBody()->write('ERROR DETECTED');
            return $response->withStatus(599);
        }));
        $finalDelegate = $this->prophesize(DelegateInterface::class);
        $finalDelegate->process(Argument::any())->shouldNotBeCalled();
        $nextDelegate = new Next($nextDelegateQueue, $finalDelegate->reveal());
        $internalNext = new Next($internalQueue, $nextDelegate);
        set_error_handler(function ($errno, $errstr) {
            return false !== strstr($errstr, 'error middleware is deprecated');
        }, E_USER_DEPRECATED);
        $response = $internalNext($this->request, $this->response);
        restore_error_handler();
        $this->assertEquals(599, $response->getStatusCode());
        $this->assertEquals('ERROR DETECTED', (string) $response->getBody());
    }