public void TestMethodDeleteNode()
{
//generate a linkedList 1 -> 2 -> 3 -> 4
var linkedList = new ListNode(1);
var buffer = linkedList;
for (int i = 2; i < 5; i++)
{
buffer.next = new ListNode(i);
buffer = buffer.next;
}
//select the node with value 3
buffer = linkedList.next.next;
Console.WriteLine(buffer.val);
DeleteNodeInALinkedList.DeleteNode(buffer);
//s
Assert.AreEqual(1, linkedList.val);
Assert.AreEqual(2, linkedList.next.val);
Assert.AreEqual(4, linkedList.next.next.val);
Assert.AreEqual(null, linkedList.next.next.next);
}
public static void DeleteNode(ListNode node)
{
node.val = node.next.val;
node.next = node.next.next;
}