public void ShouldTimeSeriesOfEvents() {
var signaler = new ManualResetEvent(false);
var timer = new Timer();
long count = 0;
var snapshot = new Snapshot(new long[0]);
timer.Update(10);
timer.Update(20);
timer.Update(20);
timer.Update(30);
timer.Update(40);
timer.GetCount((x, context) => {
count = x;
});
timer.GetSnapshot((x, timestamp) => snapshot = x);
timer.Run(() => signaler.Set());
signaler.WaitOne();
Assert.That(count, Is.EqualTo(5));
Assert.That(snapshot.Max, Is.InRange(40, 40.0001));
Assert.That(snapshot.Min, Is.InRange(10, 10.0001));
Assert.That(snapshot.Mean, Is.InRange(24, 24.0001));
Assert.That(snapshot.StdDev, Is.InRange(11.401, 11.402));
Assert.That(snapshot.Median, Is.InRange(20, 20.0001));
Assert.That(snapshot[0.75], Is.InRange(35, 35.0001));
Assert.That(snapshot[0.99], Is.InRange(40, 40.0001));
Assert.That(snapshot.Values, Is.EqualTo(new double[] {10, 20, 20, 30, 40}));
Assert.That(snapshot.Size, Is.EqualTo(5));
}
public void ShouldCreateEmptyTimer() {
var signaler = new ManualResetEvent(false);
var timer = new Timer(new ClockMock());
long count = 0;
var snapshot = new Snapshot(new long[0]);
timer.GetCount((x, context) => count = x);
timer.GetSnapshot((x, timestamp) => snapshot = x);
timer.Run(() => signaler.Set());
signaler.WaitOne();
Assert.That(count, Is.EqualTo(0));
Assert.That(snapshot.Max, Is.InRange(0, 0.0001));
Assert.That(snapshot.Min, Is.InRange(0, 0.0001));
Assert.That(snapshot.Mean, Is.InRange(0, 0.0001));
Assert.That(snapshot.StdDev, Is.InRange(0, 0.0001));
Assert.That(snapshot.Median, Is.InRange(0, 0.0001));
Assert.That(snapshot[0.75], Is.InRange(0, 0.0001));
Assert.That(snapshot[0.99], Is.InRange(0, 0.0001));
Assert.That(snapshot.Size, Is.EqualTo(0));
}