public void HandlesCircularReferences__ObjectReferencesSelfDirectly()
{
var n = new LinkedListNode { Id = 13 };
n.Next = n;
n.Previous = n;
var tm = new TypeMapper();
var clone = tm.DeepClone<LinkedListNode>(n);
Assert.AreEqual(13, clone.Id);
Assert.AreSame(n, n.Next);
Assert.AreSame(n, n.Previous);
}
public static void EnsureDefaultTestHierarchyPreserved(LinkedListNode node)
{
Assert.AreEqual(3, node.Id);
Assert.AreEqual(2, node.Previous.Id);
Assert.AreEqual(1, node.Previous.Previous.Id);
Assert.AreEqual(0, node.Previous.Previous.Previous.Id);
Assert.AreEqual(3, node.Previous.Previous.Previous.Previous.Id);
Assert.AreEqual(0, node.Next.Id);
Assert.AreEqual(1, node.Next.Next.Id);
Assert.AreEqual(2, node.Next.Next.Next.Id);
Assert.AreEqual(3, node.Next.Next.Next.Next.Id);
Assert.AreSame(node, node.Next.Next.Next.Next);
Assert.AreSame(node, node.Previous.Previous.Previous.Previous);
}
public static LinkedListNode CreateDefaultTestHierarchy()
{
var n0 = new LinkedListNode { Id = 0 };
var n1 = new LinkedListNode { Id = 1 };
var n2 = new LinkedListNode { Id = 2 };
var n3 = new LinkedListNode { Id = 3 };
n0.Next = n1;
n1.Next = n2;
n2.Next = n3;
n3.Next = n0;
n0.Previous = n3;
n1.Previous = n0;
n2.Previous = n1;
n3.Previous = n2;
return n3;
}
public void HandlesCircularReferences__ObjectReferencesSelfIndirectly()
{
var n0 = new LinkedListNode { Id = 0 };
var n1 = new LinkedListNode { Id = 1 };
var n2 = new LinkedListNode { Id = 2 };
var n3 = new LinkedListNode { Id = 3 };
n0.Next = n1;
n1.Next = n2;
n2.Next = n3;
n3.Next = n0;
n0.Previous = n3;
n1.Previous = n0;
n2.Previous = n1;
n3.Previous = n2;
var tm = new TypeMapper();
var clone = tm.DeepClone<LinkedListNode>(n3);
Assert.AreEqual(3, clone.Id);
Assert.AreEqual(2, clone.Previous.Id);
Assert.AreEqual(1, clone.Previous.Previous.Id);
Assert.AreEqual(0, clone.Previous.Previous.Previous.Id);
Assert.AreEqual(3, clone.Previous.Previous.Previous.Previous.Id);
Assert.AreEqual(0, clone.Next.Id);
Assert.AreEqual(1, clone.Next.Next.Id);
Assert.AreEqual(2, clone.Next.Next.Next.Id);
Assert.AreEqual(3, clone.Next.Next.Next.Next.Id);
Assert.AreSame(clone, clone.Next.Next.Next.Next);
Assert.AreSame(clone, clone.Previous.Previous.Previous.Previous);
}
