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);
}
}
public void testCumulativeCounterAfterRolling()
{
MockedClock time = new MockedClock();
RollingNumberEvent type = RollingNumberEvent.SUCCESS;
RollingNumber counter = new RollingNumber(time, 20, 2);
Assert.Equal(0, counter.GetCumulativeSum(type));
// iterate over 20 buckets on a queue sized for 2
for (int i = 0; i < 20; i++)
{
// first bucket
counter.Increment(type);
try
{
time.Increment(counter.BucketSizeInMs);
}
catch (Exception)
{
// ignore
}
counter.GetValueOfLatestBucket(type);
Assert.Equal(2, counter.GetValues(type).Count());
}
// cumulative count should be 20 (for the number of loops above) regardless of buckets rolling
Assert.Equal(20, counter.GetCumulativeSum(type));
}
public void testUpdateMax2()
{
MockedClock time = new MockedClock();
RollingNumber counter = new RollingNumber(time, 200, 10);
// increment
counter.UpdateRollingMax(RollingNumberEvent.THREAD_MAX_ACTIVE, 10);
counter.UpdateRollingMax(RollingNumberEvent.THREAD_MAX_ACTIVE, 30);
counter.UpdateRollingMax(RollingNumberEvent.THREAD_MAX_ACTIVE, 20);
// we should have 1 bucket
var buckets = counter.GetBuckets().ToArray();
Assert.Equal(1, buckets.Length);
// the count should be 30
Assert.Equal(30, counter.buckets.First().GetMaxUpdater(RollingNumberEvent.THREAD_MAX_ACTIVE));
Assert.Equal(30, counter.GetRollingMaxValue(RollingNumberEvent.THREAD_MAX_ACTIVE));
// sleep to get to a new bucket
time.Increment(counter.BucketSizeInMs * 3);
counter.UpdateRollingMax(RollingNumberEvent.THREAD_MAX_ACTIVE, 30);
counter.UpdateRollingMax(RollingNumberEvent.THREAD_MAX_ACTIVE, 30);
counter.UpdateRollingMax(RollingNumberEvent.THREAD_MAX_ACTIVE, 50);
// we should have 2 buckets
buckets = counter.GetBuckets().ToArray();
Assert.Equal(2, buckets.Length);
// the count
Assert.Equal(50, buckets.First().GetMaxUpdater(RollingNumberEvent.THREAD_MAX_ACTIVE));
Assert.Equal(50, counter.GetValueOfLatestBucket(RollingNumberEvent.THREAD_MAX_ACTIVE));
// values per bucket
var values = counter.GetValues(RollingNumberEvent.THREAD_MAX_ACTIVE).ToArray();
Assert.Equal(30, values[1]); // oldest bucket
Assert.Equal(50, values[0]); // latest bucket
}