public void CalculatorShouldGiveCorrectAnswer(IStack stack, string data, double result) => Assert.IsTrue(Math.Abs(StackCalculator.CalculatePostfixForm(data, stack) - result) < double.Epsilon);
public void InvalidSymbolInPostfixFormShouldThrowException(IStack stack)
{
var postfixForm = "5 5 XD";
Assert.Throws <System.ArgumentException>(() => StackCalculator.CalculatePostfixForm(postfixForm, stack));
}
public void UncorrectPostfixFormShouldThrowException(IStack stack)
{
var postfixForm = "10 10 10 +";
Assert.Throws <System.ArgumentException>(() => StackCalculator.CalculatePostfixForm(postfixForm, stack));
}
public void DivisionByZeroShouldThrowException(IStack stack)
{
var postfixForm = "20 0 /";
Assert.Throws <System.DivideByZeroException>(() => StackCalculator.CalculatePostfixForm(postfixForm, stack));
}