public void ShouldApplyOperatorSuccefully()
{
CalculatorContainer container = new CalculatorContainer();
CalculatorExecutor executor = new CalculatorExecutor();
container.PushItem(5);
container.PushItem(7);
container.PushItem(8);
executor.ApplyOperator(container, "+");
Assert.AreEqual("5;15", container.PrettyDisplay());
container.PushItem(10);
executor.ApplyOperator(container, "-");
Assert.AreEqual("5;-5", container.PrettyDisplay());
executor.ApplyOperator(container, "*");
Assert.AreEqual("-25", container.PrettyDisplay());
}
public void ShouldDisplayStack()
{
CalculatorContainer container = new CalculatorContainer();
container.PushItem(5);
container.PushItem(7);
Assert.AreEqual("5;7", container.PrettyDisplay());
}
public string GetStack()
{
return(CalculatorContainer.PrettyDisplay());
}