public void TestMovingAverage()
{
var source = new BaseSender <float>();
var average = new MovingAverage(5f); // 5 second averaging window
source.Add(average);
// let's send five values in every second: 5, 4, 3, 2, 1
source.Send(5, 1);
source.Send(4, 1);
source.Send(3, 1); // three seconds in, the average will be (5 + 4 + 3) / 3 = 4
AssertEqual(average.currentAverage, 4);
source.Send(2, 1);
source.Send(1, 1); // five seconds in, the average will be (5 + 4 + 3 + 2 + 1) / 5 = 3
AssertEqual(average.currentAverage, 3);
// now if we send two more values, the first two will have dropped off
// (because we're only averaging over a five second window)
source.Send(2, 1);
source.Send(2, 1); // (3 + 2 + 1 + 2 + 2) / 5 = 2
AssertEqual(average.currentAverage, 2);
// and now we send just one value after four seconds.
// now the moving average window only fits the last of the previous values
source.Send(10, 4);
AssertEqual(average.currentAverage, 6); // (2 + 10) / 2 = 6
}
public void TestBarrier()
{
var preconditionA = new BaseSender <bool>();
var preconditionB = new BaseSender <bool>();
var preconditionC = new BaseSender <bool>();
var barrier = new Barrier();
preconditionA.Add(barrier);
preconditionB.Add(barrier);
preconditionC.Add(barrier);
var result = new LastValue <bool>();
barrier.Add(result);
Assert.IsFalse(result.lastValue);
// let two of the preconditions to trigger - this shouldn't change anything
preconditionA.Send(true, 1f);
Assert.IsFalse(result.lastValue);
preconditionC.Send(true, 1f);
Assert.IsFalse(result.lastValue);
// let's make sure that sending false doesn't do anything
preconditionA.Send(false, 1f);
preconditionB.Send(false, 1f);
preconditionC.Send(false, 1f);
Assert.IsFalse(result.lastValue);
// now the last one sends true, and the barrier becomes true as well
preconditionB.Send(true, 1f);
Assert.IsTrue(result.lastValue);
}
public void TestBasicSourceAndSinkChains()
{
var source = new BaseSender <int>();
var adder = new IntAdder();
var averager = new FloatAverager();
var int2float = new TrivialIntToFloatConverter();
source.Add(adder);
source.Add(int2float).Add(averager);
// let's run it
float dt = 0; // in this example dt doesn't matter
source.Send(1, dt);
source.Send(2, dt);
source.Send(3, dt);
Assert.IsTrue(adder.sum == 6); // 1 + 2 + 3
Assert.IsTrue(averager.average == 2); // (1 + 2 + 3) / 3
source.RemoveAll();
}
public void TestTimeSensitiveChains()
{
var source = new BaseSender <float>();
var adder = new FloatAdderWithDecay(0f);
var leaky = new FloatAdderWithDecay(1f); // value decays by 1 per second
source.Add(adder);
source.Add(leaky);
// initial value
source.Send(100, 0);
AssertEqual(adder.sum, 100);
AssertEqual(leaky.sum, 100);
// let one second pass, we add nothing
source.Send(0, 1);
AssertEqual(adder.sum, 100); // adder is still at 100
AssertEqual(leaky.sum, 99); // leaky decays at 1/sec down to 99
// let another second pass and add one
source.Send(1, 1);
AssertEqual(adder.sum, 101); // adder just adds one
AssertEqual(leaky.sum, 99); // leaky decays by one more, but then gets one
}