public int Count()
{
if (next != null)
{
return(1 + next.Count());
}
return(1);
}
public void CountMethodForDoublyLinkedNodes()
{
var a = new DoubleNode <char>('a');
var b = new DoubleNode <char>('b');
var c = new DoubleNode <char>('c');
var d = new DoubleNode <char>('d');
a.previous = null;
a.next = b;
b.previous = a;
b.next = c;
c.previous = b;
c.next = d;
d.previous = c;
d.next = null;
var expected = 4;
var actual = a.Count();
Assert.AreEqual(expected, actual);
}