public void ShouldReturnErrorWhenThereIsAnyInvalidChar()
{
Assert.Throws <ApplicationException>(() => ReversePolishNotationCalculator.Calculate("51,"));
}
public void ShouldReturnErrorWhenThereAreNumbersWithoutBeenEvaluated()
{
Assert.Throws <ApplicationException>(() => ReversePolishNotationCalculator.Calculate("123+"));
}
public void ShouldReturn1()
{
var actual = ReversePolishNotationCalculator.Calculate("51-2+5*33333++++/1-");
Assert.That(actual, Is.EqualTo(1));
}
public void ShouldReturnErrorWhenTheAmountOfOperatorsIsBiggerThanTheAmountOfNumbers()
{
Assert.Throws <ApplicationException>(() => ReversePolishNotationCalculator.Calculate("22+++"));
}
public void ShouldReturn17()
{
var actual = ReversePolishNotationCalculator.Calculate("512+5*+3-");
Assert.That(actual, Is.EqualTo(17));
}
