public void FindInterceptionTest()
{
//| x1 x2 y1 |
//|--+--[ ]--[OSR]--+--[/]----( )--|
//| | y1 x3 | |
//| +--[ ]---[ ]---+ |
//
Rung TestRung = new Rung();
var Y1 = new Coil();
Y1.Name = "1";
var X1 = new Contact();
X1.Name = "1";
var X2 = new Contact();
X2.Name = "2";
X2.IsInverted = true;
var X3 = new Contact();
X3.Name = "2";
X3.IsInverted = true;
var Y1C = new Contact();
Y1C.Name = "1";
Y1C.Type = Contact.ContactType.OutputPin;
TestRung.Add(Y1);
TestRung.InsertBefore(X2, Y1);
TestRung.Add(X1);
TestRung.InsertUnder(Y1C, X1);
TestRung.InsertAfter(new OSR(), X1);
TestRung.InsertAfter(X3, Y1C);
Tuple <Node, Node> temp;
temp = TestRung.FindInterception(Y1C, X3);
Assert.IsNull(temp);
temp = TestRung.FindInterception(Y1C, X2);
Assert.IsNull(temp);
temp = TestRung.FindInterception(Y1C, Y1);
Assert.IsNull(temp);
temp = TestRung.FindInterception(Y1C, X1);
Assert.AreEqual(temp.Item1, X1.LeftLide);
Assert.AreEqual(temp.Item2, X3.RightLide);
temp = TestRung.FindInterception(X3, X1);
Assert.AreEqual(temp.Item1, X1.LeftLide);
Assert.AreEqual(temp.Item2, X3.RightLide);
}