public void TestCase3()
{
try
{
RPNCalculator obj = new RPNCalculator();
int result = Convert.ToInt32(obj.Calculate("2,+,2"));
}catch (Exception ex)
{
Assert.AreEqual("Invalid Expression", ex.Message);
}
}
public void TestCase9()
{
try
{
RPNCalculator obj = new RPNCalculator();
Convert.ToInt32(obj.Calculate("-4,!"));
}
catch (Exception ex)
{
Assert.AreEqual("Invalid Operand", ex.Message);
}
}
public void TestCase8()
{
try
{
RPNCalculator obj = new RPNCalculator();
int result = Convert.ToInt32(obj.Calculate("2,0,/"));
}
catch (Exception ex)
{
Assert.AreEqual("Divide by zero", ex.Message);
}
}
public void TestCase12()
{
try
{
RPNCalculator obj = new RPNCalculator();
obj.Calculate("2147483647,2,+");
}
catch (Exception ex)
{
Assert.AreEqual("greater than max1", ex.Message);
}
}
public void TestCase7()
{
RPNCalculator obj = new RPNCalculator();
Assert.AreEqual(0, Convert.ToInt32(obj.Calculate("2,2,*,4,/,1,+,2,-")));
}
public void TestCase2()
{
RPNCalculator obj = new RPNCalculator();
Assert.AreEqual(5, Convert.ToInt32(obj.Calculate("2,3,+")));
}
public void TestCase10()
{
RPNCalculator obj = new RPNCalculator();
Assert.AreEqual(24, Convert.ToInt32(obj.Calculate("4,!")));
}