public void MethodTests()
{
// Try and parse a b-positive and a b-negative complex numbers from two strings
String bPositive = "1 + 5i";
String bNegative = "1 - 3i";
// Try and calculate a b-positive and a b-negative conjugate
ComplexNumber bpComplex = new ComplexNumber(1, 3);
ComplexNumber bnComplex = new ComplexNumber(-3, -2);
// Parse the thingies
ComplexNumber result1 = ComplexNumber.ParseFromString(bPositive);
ComplexNumber result2 = ComplexNumber.ParseFromString(bNegative);
// Calculate the conjugate
ComplexNumber bpConjugate = bpComplex.Conjugate();
ComplexNumber bnConjugate = bnComplex.Conjugate();
// What do we expect?
ComplexNumber expected1 = new ComplexNumber(1, 5);
ComplexNumber expected2 = new ComplexNumber(1, -3);
ComplexNumber ebpConjugate = new ComplexNumber(1, -3);
ComplexNumber ebnConjugate = new ComplexNumber(-3, 2);
// Do the opposite (complex -> string) with the same numbers
String fromComplex1 = expected1.ToString();
String fromComplex2 = expected2.ToString();
// Run the tests
ComplexNumber.AssertEqualty(expected1, result1);
ComplexNumber.AssertEqualty(expected2, result2);
Assert.AreEqual(bPositive, fromComplex1);
Assert.AreEqual(bNegative, fromComplex2);
ComplexNumber.AssertEqualty(ebpConjugate, bpConjugate);
ComplexNumber.AssertEqualty(ebnConjugate, bnConjugate);
}
public void NegativeOperand()
{
// Definitions of the numbers
ComplexNumber myNum1 = new ComplexNumber(3, 4);
ComplexNumber myNum2 = new ComplexNumber(2, -5);
// Operations to be done
ComplexNumber result1 = myNum1 + myNum2;
ComplexNumber result2 = myNum1 - myNum2;
ComplexNumber result3 = myNum1 * myNum2;
// Expected Results
ComplexNumber expectedResult1 = new ComplexNumber(5, -1);
ComplexNumber expectedResult2 = new ComplexNumber(1, 9);
ComplexNumber expectedResult3 = new ComplexNumber(26, -7);
// Second group (one of the operands is negative)
ComplexNumber.AssertEqualty(expectedResult1, result1, "Addition failed.");
ComplexNumber.AssertEqualty(expectedResult2, result2, "Substraction failed.");
ComplexNumber.AssertEqualty(expectedResult3, result3, "Product failed.");
}
public void PositiveOperands()
{
// Definitions of the numbers
ComplexNumber myNum1 = new ComplexNumber(3, 4);
ComplexNumber myNum2 = new ComplexNumber(2, 5);
// Operations to be done
ComplexNumber result1 = myNum1 + myNum2;
ComplexNumber result2 = myNum1 - myNum2;
ComplexNumber result3 = myNum1 * myNum2;
// Expected Results
ComplexNumber expectedResult1 = new ComplexNumber(5, 9);
ComplexNumber expectedResult2 = new ComplexNumber(1, -1);
ComplexNumber expectedResult3 = new ComplexNumber(-14, 23);
// First group (positive operands)
ComplexNumber.AssertEqualty(expectedResult1, result1, "Addition failed.");
ComplexNumber.AssertEqualty(expectedResult2, result2, "Substraction failed.");
ComplexNumber.AssertEqualty(expectedResult3, result3, "Product failed.");
}
