public void ReturnsNullForParallelLines(double slope, double yIntersect1, double yIntersect2)
{
var line1 = new LinearFunction(slope, yIntersect1);
var line2 = new LinearFunction(slope, yIntersect2);
var intersection = line1.GetIntersection(line2);
Assert.IsNull(intersection);
}
public void ReturnsCorrectAnswerForNonParallelLines(
double slope1,
double intersect1,
double slope2,
double intersect2,
double expectedValue)
{
var line1 = new LinearFunction(slope1, intersect1);
var line2 = new LinearFunction(slope2, intersect2);
var intersection = line1.GetIntersection(line2);
Assert.IsNotNull(intersection);
Assert.AreEqual(expectedValue, intersection.Value);
}
