public void RatePerSecond_BasicVerification()
{
var counter = new RatePerSecond();
foreach (var item in FibonacciHelper.ComputeTo(47).Skip(7).Take(7))
{
counter.Increment(item);
}
Assert.AreEqual(589, counter.Value);
}
public void MeanAverage_BasicVerification()
{
var counter = new MeanAverage();
var expectedCount = 0L;
var expectedTotalCounts = 0L;
foreach (var count in FibonacciHelper.ComputeTo(47))
{
counter.Increment(count);
(counter.Denominator as ISupportsIncrement <long>)?.Increment();
expectedCount += count;
expectedTotalCounts += 1;
Assert.AreEqual(expectedCount / expectedTotalCounts, counter.Value);
}
}
public void MovingAverage_BasicVerification()
{
var seriesLength = byte.MaxValue;
var counter = new MovingAverage(seriesLength);
var series = new Queue <long>();
var approximation = 0L;
foreach (var count in FibonacciHelper.ComputeTo(47))
{
counter.Increment(count);
series.Enqueue(count);
approximation += count;
if (series.Count > seriesLength)
{
approximation -= series.Dequeue();
}
Assert.AreEqual(approximation / seriesLength, counter.Value);
}
}
public void MedianAverage_BasicVerification()
{
var counter = new MedianAverage();
// verify 'tween' result
// with initial series: 1,1,2,3,5,8,13,21,34,55,89 !,! 144,233,377,610,987,1597,2584,4181,6765,10946,17711
foreach (var count in FibonacciHelper.ComputeTo(21))
{
counter.Increment(count);
}
Assert.AreEqual(72, counter.Value);
// verify 'non-tween' result
// with additional series: 34,55,89,144,233,377, !610! ,987,1597,2584,4181,6765,10946,17711
foreach (var count in FibonacciHelper.ComputeTo(27).Skip(8))
{
counter.Increment(count);
}
Assert.AreEqual(377, counter.Value);
// verify performant enough not to timeout test tool
var fib = FibonacciHelper.ComputeTo(127).ToArray();
for (int i = 0; i < ushort.MaxValue; i++)
{
counter.Increment(fib[i++ % fib.Length]);
}
Assert.AreEqual(4807526976, counter.Value);
// confirm outlier does not pull average
counter.Reset();
counter.Increment(1);
counter.Increment(1);
counter.Increment(1);
counter.Increment(int.MaxValue);
Assert.AreEqual(1, counter.Value);
}