}
        }

        @Override
        protected void delayAtNoUrlInQueue() {
            noUrlInQueueCount++;
            if (shouldThrowException) {
                throw new RuntimeException("Test exception in delayAtNoUrlInQueue");
            }
        }

        @Override
        protected void delayForWaitingNewUrl() {
            waitNewUrlCount++;

        public void delay(int type) {
        }

        public void delayBeforeProcessing() {
        }

        public void delayAfterProcessing() {
        }

        public void delayAtNoUrlInQueue() {
        }

        public void delayForWaitingNewUrl() {
        }
    }

    /**
     * Test default constructor
     */
    public void test_constructor() {