}
		if requestSize > maxSize && handlerErr == nil {
			t.Error("expected error on handler side; got nil")
		}
		if requestSize <= maxSize {
			if handlerErr != nil {
				t.Errorf("%d expected nil error on handler side; got %v", requestSize, handlerErr)
			}
			if handlerN != requestSize {
				t.Errorf("expected request of size %d; got %d", requestSize, handlerN)
			}
		}

	}

	if claims.Audience != r.URL.RawQuery {
		return errAuthentication
	}

	requestTimeStr := r.Header.Get("X-Minio-Time")
	requestTime, err := time.Parse(time.RFC3339, requestTimeStr)
	if err != nil {
		return errMalformedAuth
	}
	utcNow := UTCNow()
	delta := requestTime.Sub(utcNow)
	if delta < 0 {
		delta *= -1
	}
	if delta > DefaultSkewTime {
		return errSkewedAuthTime
	}

	return nil

                                  Valid Options: ALL_METRICS, REQUEST_COUNT, REQUEST_DURATION, REQUEST_SIZE, RESPONSE_SIZE, TCP_OPENED_CONNECTIONS, TCP_CLOSED_CONNECTIONS, TCP_SENT_BYTES, TCP_RECEIVED_BYTES, GRPC_REQUEST_MESSAGES, GRPC_RESPONSE_MESSAGES
                                enum:

                                  Valid Options: ALL_METRICS, REQUEST_COUNT, REQUEST_DURATION, REQUEST_SIZE, RESPONSE_SIZE, TCP_OPENED_CONNECTIONS, TCP_CLOSED_CONNECTIONS, TCP_SENT_BYTES, TCP_RECEIVED_BYTES, GRPC_REQUEST_MESSAGES, GRPC_RESPONSE_MESSAGES
                                enum: