public void TestIntersectWithStraightLine()
{
List <double> result = test.Intersect(straightLine);
List <double> answer = new List <double>();
answer.Add(-1);
answer.Add(0);
Assert.IsTrue(Enumerable.SequenceEqual(result, answer));
}
static void Main(string[] args)
{
Line straightLine = new StraightLine();
Line circle = new Circle();
Circle circle2 = new Circle();
// Calls "Line.Intersect(Line)", and correctly
// prints "Circle intersecting a straight line.".
Console.WriteLine(circle.Intersect(straightLine));
// Also calls "Line.Intersect(Line)",
// since the argument's compile-time type is "Line".
Console.WriteLine(circle2.Intersect(straightLine));
// Calls "Line.Intersect(Circle)",
// since the argument's compile-time type is "Circle".
// At runtime, the call will be resolved to
// "StraightLine.Intersect(Circle)" via single dispatch.
Console.WriteLine(straightLine.Intersect(circle2));
Console.ReadLine();
}
