public void RootsCalculator_HasNoRoots_ReturnsNoRoot()
{
// Assign
var quadraticEqn = new QuadraticEqn(1, 2, 4);
// Act
List <double> result;
result = quadraticEqn.RootsCalculator();
// Assert
Assert.That(result[0] == 0);
}
public void RootsCalculator_HasTwoRoots_ReturnsTwoRoots()
{
// Assign
var quadraticEqn = new QuadraticEqn(1, 3, 2);
// Act
List <double> result;
result = quadraticEqn.RootsCalculator();
// Assert
Assert.That(result[0] == -1);
Assert.That(result[1] == -2);
}