public void BadInput()
{
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Add("text", "10"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Add("10", "text"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Add("", ""));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Add(null, ""));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Add("", null));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Add(null, null));
}
public void IntegerAddition()
{
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("5", "5")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("1", "9")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("-20", "30")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("0", "10")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("10", "0")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add(" 10 ", " 0 ")));
}
public void NonIntegerAddition()
{
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("0.1", "9.9")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add("45.23", "-35.23")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Add(" 45.23", "-35.23 ")));
}