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);
}