using Microsoft.VisualStudio.TestTools.UnitTesting; using System.Collections.Generic; [TestClass] public class ListReverseTest { [TestMethod] public void TestListReverse() { // Arrange var list = new ListIn this example, we create a List of integers, {1, 2, 3, 4, 5}, using the List class from the System.Collections.Generic namespace. We then call the Reverse method on the list, which reverses the order of the elements. Finally, we use the CollectionAssert.AreEqual method from the Microsoft.VisualStudio.TestTools.UnitTesting namespace to assert that the reversed list is equal to the expected reversed list, {5, 4, 3, 2, 1}. Overall, the List Reverse method is a simple way to reverse the order of elements in a list, and it is included in the Microsoft.VisualStudio.TestTools.UnitTesting package library.{ 1, 2, 3, 4, 5 }; // Act list.Reverse(); // Assert CollectionAssert.AreEqual(new List { 5, 4, 3, 2, 1 }, list); } }