public void testIncrementInSingleBucket()
        {
            MockedClock time = new MockedClock();

            RollingNumber counter = new RollingNumber(time, 200, 10);

            // increment
            counter.Increment(RollingNumberEvent.SUCCESS);
            counter.Increment(RollingNumberEvent.SUCCESS);
            counter.Increment(RollingNumberEvent.SUCCESS);
            counter.Increment(RollingNumberEvent.SUCCESS);
            counter.Increment(RollingNumberEvent.FAILURE);
            counter.Increment(RollingNumberEvent.FAILURE);
            counter.Increment(RollingNumberEvent.TIMEOUT);

            // we should have 1 bucket
            var buckets = counter.GetBuckets().ToArray();

            Assert.Equal(1, buckets.Length);

            // the count should be 4
            Assert.Equal(4, counter.GetCurrentBucket().GetAdder(RollingNumberEvent.SUCCESS));
            Assert.Equal(2, counter.GetCurrentBucket().GetAdder(RollingNumberEvent.FAILURE));
            Assert.Equal(1, counter.GetCurrentBucket().GetAdder(RollingNumberEvent.TIMEOUT));
        }
        public void testRolling()
        {
            MockedClock        time    = new MockedClock();
            RollingNumberEvent type    = RollingNumberEvent.THREAD_MAX_ACTIVE;
            RollingNumber      counter = new RollingNumber(time, 20, 2);

            // iterate over 20 buckets on a queue sized for 2
            for (int i = 0; i < 20; i++)
            {
                // first bucket
                counter.GetCurrentBucket();
                try
                {
                    time.Increment(counter.BucketSizeInMs);
                }
                catch (Exception)
                {
                    // ignore
                }

                counter.GetValueOfLatestBucket(type);
                Assert.Equal(2, counter.GetValues(type).Count());

                // System.out.println("Head: " + counter.buckets.state.get().head);
                // System.out.println("Tail: " + counter.buckets.state.get().tail);
            }
        }