public void MeanTest([Values(0.0f, 5.0f, -5.0f, 32.0f)] float targetMean, [Values(6, 10, 20, 40)] int bufferSize)
{
var ma = new MovingAverage(bufferSize);
var count = 100 * bufferSize;
// The expected error is more or less this, a bit on the generous side
// with a lot of hand waving, but its good enough.
var expError = 2f / (float)Math.Sqrt(ma.MovingAverageDepth);
for (int i = 0; i < count; i++)
{
var val = (float)(_rng.NextDouble() - 0.5) + targetMean;
ma.Enqueue(val);
if (i > bufferSize)
{
Assert.That(ma.Mean, Is.EqualTo(targetMean).Within(expError));
}
}
Console.WriteLine(expError);
}