public void CounterFallofShouldBeExact()
{
var timeProvider = new TestTimeProvider();
var counter = new FrequencyCounter(2, 1, timeProvider);
Assert.AreEqual(0, counter.Value);
timeProvider.Now = 0;
counter.Increment();
Assert.AreEqual(1, counter.Value);
timeProvider.Now = 999;
counter.Increment();
Assert.AreEqual(2, counter.Value);
timeProvider.Now = 1000;
counter.Increment();
Assert.AreEqual(3, counter.Value);
timeProvider.Now = 2000;
counter.Increment();
Assert.AreEqual(4, counter.Value);
timeProvider.Now = 2999;
Assert.AreEqual(4, counter.Value);
timeProvider.Now = 3000;
Assert.AreEqual(2, counter.Value);
timeProvider.Now = 4000;
Assert.AreEqual(1, counter.Value);
timeProvider.Now = 4999;
Assert.AreEqual(1, counter.Value);
timeProvider.Now = 5000;
Assert.AreEqual(0, counter.Value);
counter.Increment();
Assert.AreEqual(1, counter.Value);
timeProvider.Now = 8000;
Assert.AreEqual(0, counter.Value);
}
public void CounterShouldRemoveAllNodesWhenEmpty()
{
var timeProvider = new TestTimeProvider();
var counter = new FrequencyCounter(5, 1, timeProvider);
Assert.AreEqual(0, counter.Value);
counter.Increment();
Assert.AreEqual(1, counter.Value);
timeProvider.Now = 10000;
Assert.AreEqual(0, counter.Value);
}