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 NonIntegerSubtraction()
{
Assert.AreEqual(-9.8M, decimal.Parse(MathFunctionObj.Subtract("0.1", "9.9")));
Assert.AreEqual(80.46M, decimal.Parse(MathFunctionObj.Subtract("45.23", "-35.23")));
Assert.AreEqual(5.2M, decimal.Parse(MathFunctionObj.Subtract("0", "-5.2")));
Assert.AreEqual(5.2M, decimal.Parse(MathFunctionObj.Subtract(" 0", " -5.2")));
}
public void VarietyOfCalculations()
{
Assert.AreEqual(0M, decimal.Parse(MathFunctionObj.Modulus("5", "5")));
Assert.AreEqual(1M, decimal.Parse(MathFunctionObj.Modulus("9", "2")));
Assert.AreEqual(2.1M, decimal.Parse(MathFunctionObj.Modulus("25.1", "23")));
Assert.AreEqual(-15.6M, decimal.Parse(MathFunctionObj.Modulus("-178.2", "27.1")));
}
public void NonIntegerDivision()
{
Assert.AreEqual(5M, decimal.Parse(MathFunctionObj.Divide("0.5", "0.1")));
Assert.AreEqual(3.8M, decimal.Parse(MathFunctionObj.Divide("11.4", "3")));
Assert.AreEqual(13.5M, decimal.Parse(MathFunctionObj.Divide("310.5", "23")));
Assert.AreEqual(4.3M, decimal.Parse(MathFunctionObj.Divide("349.16", "81.2")));
}
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.Subtract("text", "10"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Subtract("10", "text"));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Subtract("", ""));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Subtract(null, ""));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Subtract("", null));
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Subtract(null, null));
}
public void IntegerSubtraction()
{
Assert.AreEqual(0.0M, decimal.Parse(MathFunctionObj.Subtract("5", "5")));
Assert.AreEqual(-8M, decimal.Parse(MathFunctionObj.Subtract("1", "9")));
Assert.AreEqual(-50M, decimal.Parse(MathFunctionObj.Subtract("-20", "30")));
Assert.AreEqual(-10M, decimal.Parse(MathFunctionObj.Subtract("0", "10")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Subtract("10", "0")));
Assert.AreEqual(10M, decimal.Parse(MathFunctionObj.Subtract("10 ", " 0")));
}
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 IntegerMultiplication()
{
for (int i = 0; i <= 10; i++)
{
for (int j = 0; j <= 10; j++)
{
var result = System.Convert.ToDecimal(i * j);
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(i.ToString(), j.ToString())));
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(j.ToString(), i.ToString())));
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(" " + i.ToString(), j.ToString())));
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(" " + i.ToString(), " " + j.ToString())));
}
}
}
public void NonIntegerMultiplication()
{
foreach (double d1 in new[] { 3.5, 2.5, 7.12, 123.9 })
{
foreach (double d2 in new[] { 1.2, 10.23, -23.1, 0.223, 0, 10.1 })
{
var result = System.Convert.ToDecimal(d1 * d2);
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(d1.ToString(), d2.ToString())));
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(d2.ToString(), d1.ToString())));
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(d2.ToString() + " ", d1.ToString())));
Assert.AreEqual(result, decimal.Parse(MathFunctionObj.Multiply(d2.ToString(), " " + d1.ToString())));
}
}
}
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 ")));
}
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")));
}
public void ZeroRaisedtoZeroPower()
{
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Modulus("0", "0"));
}
public void DivideByZero()
{
Assert.AreEqual(Project1.Functions.MathFunctions.ErrorMessage, MathFunctionObj.Modulus("1.0", "0"));
}
public void IntegerDivision()
{
Assert.AreEqual(1M, decimal.Parse(MathFunctionObj.Divide("5", "5")));
Assert.AreEqual(5M, decimal.Parse(MathFunctionObj.Divide("10", "2")));
Assert.AreEqual(0.5M, decimal.Parse(MathFunctionObj.Divide("5", "10")));
}
