public void InsertAfterNodeByValue()
{
// 10 nodes
userList.InsertAfter(userNode0, userNode11);
Assert.AreEqual(10, userList.Count());
Assert.AreEqual(userNode1, userList.head);
Assert.AreEqual(userNode10, userList.tail);
Assert.AreEqual(userNode2, userList.head.next);
Assert.AreEqual(null, userList.tail.next);
userList.InsertAfter(userNode6, userNode11);
Assert.AreEqual(11, userList.Count());
Assert.AreEqual(userNode1, userList.head);
Assert.AreEqual(userNode10, userList.tail);
Assert.AreEqual(userNode2, userList.head.next);
Assert.AreEqual(null, userList.tail.next);
userList.InsertAfter(userNode1, userNode12);
Assert.AreEqual(12, userList.Count());
Assert.AreEqual(userNode1, userList.head);
Assert.AreEqual(userNode10, userList.tail);
Assert.AreEqual(userNode12, userList.head.next);
Assert.AreEqual(null, userList.tail.next);
userList.InsertAfter(userNode10, userNode13);
Assert.AreEqual(13, userList.Count());
Assert.AreEqual(userNode1, userList.head);
Assert.AreEqual(userNode13, userList.tail);
Assert.AreEqual(userNode12, userList.head.next);
Assert.AreEqual(null, userList.tail.next);
// 1 node
userListOne.InsertAfter(userNode3, userNode14);
Assert.AreEqual(1, userListOne.Count());
Assert.AreEqual(userNode0, userListOne.head);
Assert.AreEqual(userNode0, userListOne.tail);
Assert.AreEqual(null, userListOne.head.next);
Assert.AreEqual(null, userListOne.tail.next);
userListOne.InsertAfter(userNode0, userNode14);
Assert.AreEqual(2, userListOne.Count());
Assert.AreEqual(userNode0, userListOne.head);
Assert.AreEqual(userNode14, userListOne.tail);
Assert.AreEqual(userNode14, userListOne.head.next);
Assert.AreEqual(null, userListOne.tail.next);
// no nodes
userListEmpty.InsertAfter(userNode10, userNode15);
Assert.AreEqual(0, userListEmpty.Count());
Assert.AreEqual(null, userListEmpty.head);
Assert.AreEqual(null, userListEmpty.tail);
userListEmpty.InsertAfter(null, userNode15);
Assert.AreEqual(1, userListEmpty.Count());
Assert.AreEqual(userNode15, userListEmpty.head);
Assert.AreEqual(userNode15, userListEmpty.tail);
Assert.AreEqual(null, userListEmpty.head.next);
Assert.AreEqual(null, userListEmpty.tail.next);
}
public static void test6(LinkedList s_list)
{
Console.WriteLine("6. метод вставки узла после заданного узла.");
Console.WriteLine("вставляем 128 после узла со значением 33");
Console.WriteLine("вставляем 48 после узла со значением 56");
s_list.InsertAfter(s_list.Find(33), new Node(128));
s_list.InsertAfter(s_list.Find(56), new Node(48));
print(s_list);
}