public void CalculateNumberOfRoots_ValidValues_ExpectedOneRoot(double a, double b, double c, int expectedRootsCount)
{
var q = new QuadraticEquationCalculation();
var result = q.CalculateNumberOfRoots(a, b, c);
Assert.That(result, Is.EqualTo(expectedRootsCount));
}
public void CalculateNumberOfRoots_ValidValues_ExpectedLessOrEqualOneRoot(double a, double b, double c, int expectedRootsCount)
{
var q = new QuadraticEquationCalculation();
var result = q.CalculateNumberOfRoots(a, b, c);
Assert.LessOrEqual(result, 1);
}
public void CalculateNumberOfRoots_ValidValues_ExpectedZeroRoots(double a, double b, double c, int expectedRootsCount)
{
var q = new QuadraticEquationCalculation();
var result = q.CalculateNumberOfRoots(a, b, c);
Assert.AreEqual(expectedRootsCount, result);
}
