Create csharp LinkedList and its unit test.

2026-07-09 05:56:06 +00:00 · 2022-12-16 15:49:09 +08:00
parent 47bf6729a4
commit 5c999939f6
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+// File: LinkedListTest.cs
+// Created Time: 2022-12-16
+// Author: mingXta (1195669834@qq.com)
+
+using hello_algo.chapter_array_and_linkedlist;
+using hello_algo.include;
+using NUnit.Framework;
+
+namespace hello_algo.Test.chapter_array_and_linkedlist
+{
+    [TestFixture]
+    internal class LinkedListTest
+    {
+        private ListNode n0;
+        private ListNode n1;
+        private ListNode n2;
+        private ListNode n3;
+        private ListNode n4;
+
+        [SetUp]
+        public void SetUp()
+        {
+            // 初始化各结点
+            n0 = new ListNode(1);
+            n1 = new ListNode(3);
+            n2 = new ListNode(2);
+            n3 = new ListNode(5);
+            n4 = new ListNode(4);
+            // 构建引用指向
+            n0.next = n1;
+            n1.next = n2;
+            n2.next = n3;
+            n3.next = n4;
+        }
+
+        [Test]
+        public void CheckInit()
+        {
+            //检查初始化是否正确
+            Console.WriteLine($"初始化的链表为{n0}");
+            Assert.AreEqual(n0.ToString(), "1->3->2->5->4");
+        }
+
+        [Test]
+        public void TestInsert()
+        {
+            //插入结点
+            LinkedList.Insert(n0, new ListNode(0));
+            Console.WriteLine($"插入结点后的链表为{n0}");
+            Assert.AreEqual(n0.ToString(), "1->0->3->2->5->4");
+        }
+
+        [Test]
+        public void TestRemove()
+        {
+            //删除结点
+            LinkedList.Remove(n0);
+            Console.WriteLine($"删除节点后的链表为{n0}");
+            Assert.AreEqual(n0.ToString(), "1->2->5->4");
+        }
+
+        [Test]
+        public void TestAccess()
+        {
+            //访问结点
+            var node = LinkedList.Access(n0, 3);
+            Console.WriteLine($"链表中索引 3 处的结点的值 ={node.val}");
+            Assert.AreEqual(node.val, 5);
+        }
+
+        [Test]
+        public void TestFind()
+        {
+            //查找结点
+            int index = LinkedList.Find(n0, 2);
+            Console.WriteLine($"链表中值为 2 的结点的索引 = {index}");
+            Assert.AreEqual(index, 2);
+        }
+    }
+}