public void VarietyOfCalculations()
{
Assert.AreEqual(25M, decimal.Parse(MathFunctionObj.Power("5", "2")));
Assert.AreEqual(100M, decimal.Parse(MathFunctionObj.Power("10", "2")));
Assert.AreEqual(4096M, decimal.Parse(MathFunctionObj.Power("8", "4")));
Assert.AreEqual(1079986.28684488M, decimal.Parse(MathFunctionObj.Power("25.3", "4.3")));
}
public void ZeroRaisedtoANonZeroPower()
{
Assert.AreEqual(0M, decimal.Parse(MathFunctionObj.Power("0", "1")));
Assert.AreEqual(0M, decimal.Parse(MathFunctionObj.Power("0", "2")));
Assert.AreEqual(0M, decimal.Parse(MathFunctionObj.Power("0", "0.5")));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power("0", "-5"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power("0", "-0.5"));
}
public void BadInput()
{
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power("text", "10"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power("10", "text"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power("", ""));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power(null, ""));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power("", null));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Power(null, null));
}
public void NonZeroRaisedToOne()
{
Assert.AreEqual(1M, decimal.Parse(MathFunctionObj.Power("1", "1")));
Assert.AreEqual(0.5M, decimal.Parse(MathFunctionObj.Power("0.5", "1")));
Assert.AreEqual(-1M, decimal.Parse(MathFunctionObj.Power("-1", "1")));
}