public void Peek()
{
var causalities = new Stack <Causality>();
causalities.Push(new Causality(new Port("x")));
causalities.Push(new Causality(new Port("y")));
var sut = new CausalityStack(causalities);
Assert.AreEqual("y", sut.Peek().Port.Fullname);
Assert.AreEqual(2, causalities.Count);
}
public void Push()
{
var sut = new PushCausality("pc");
Assert.AreEqual("pc", sut.Name);
CausalityStack result = null;
sut.Implementation(new Message("x", "hello"), _ => result = _.Causalities, null);
Assert.AreEqual("x.exception", result.Peek().Port.Fullname);
}
