public void LinearRoots_CalculatesRoot_1CorrectRoot()
{
//arrange
//1 5 4
HW2.QuadAndLinearEquation myclass = new HW2.QuadAndLinearEquation(0, 5, 5);
//myclass.FindDiscriminant();
//act
double result = myclass.FindLinearRoots();
//assert
Assert.AreEqual(-1.0, result);
}
public void CorrectCoefficience_CalculatesDiscriminant_1CorrectDiscriminant()
{
//arrange
//1 5 4
HW2.QuadAndLinearEquation myclass = new HW2.QuadAndLinearEquation(1, 5, 4);
//act
double result = myclass.FindDiscriminant();
//assert
Assert.AreEqual(9.0, result);
}
public void CorrectDiscriminant_CalculatesRoots_2CorrectRoots()
{
//arrange
//1 5 4
HW2.QuadAndLinearEquation myclass = new HW2.QuadAndLinearEquation(1, 5, 4);
myclass.FindDiscriminant();
//act
double[] result = myclass.FindQuadRoots();
//assert
Assert.AreEqual(-1.0, result[0]);
Assert.AreEqual(-4.0, result[1]);
}
