public void TheSquareRootOfZero()
{
Number root = new Number(0);
int expected = 0;
RootExtraction rootExtraction = new RootExtraction(root);
double actual = rootExtraction.Operation();
Assert.AreEqual(expected, actual);
}
public void TheSquareRootOfAPositiveRealNumber()
{
Number root = new Number(9.5);
double expected = 3.082207001484488;
RootExtraction rootExtraction = new RootExtraction(root);
double actual = rootExtraction.Operation();
Assert.AreEqual(expected, actual);
}
public void TheSquareRootOfANegativeRealNumber()
{
Number root = new Number(-9.5);
double expected = double.NaN;
RootExtraction rootExtraction = new RootExtraction(root);
double actual = rootExtraction.Operation();
Assert.AreEqual(expected, actual);
}
public void TheSquareRootOfAPositiveInteger()
{
Number root = new Number(9);
int expected = 3;
RootExtraction rootExtraction = new RootExtraction(root);
double actual = rootExtraction.Operation();
Assert.AreEqual(expected, actual);
}