public void test2ValueAnd1OptCrossCheck()
{
string expr = "3,5,+";
RPNCalculator rpncalculator = new RPNCalculator();
Assert.AreEqual(8, rpncalculator.calculate(expr));
}
public void test2ValueAnd1Opt()
{
string expr = "3,2,+";
RPNCalculator rpncalculator = new RPNCalculator();
Assert.AreEqual(5, rpncalculator.calculate(expr));
}
public void test2ValueOnly()
{
string expr = "3,5";
RPNCalculator rpncalculator = new RPNCalculator();
try
{
int result = rpncalculator.calculate(expr);
Assert.Fail();
}catch (Exception ex)
{
Assert.AreEqual("Incorrect input", ex.Message);
}
}
public void testEmpty()
{
string expr = " ";
RPNCalculator rpncalculator = new RPNCalculator();
try
{
int result = rpncalculator.calculate(expr);
Assert.Fail();
}
catch (Exception ex)
{
Assert.AreEqual("Expession is empty", ex.Message);
}
}