using System.Web.Mvc; using Microsoft.VisualStudio.TestTools.UnitTesting; using Store.Controllers; namespace StoreTests.Controllers {      [TestClass]      public class ProductControllerTest      {           [TestMethod]           public void TestDetailsViewData()           {                var controller = new ProductController();                var result = controller.Details(2) as ViewResult;                var product = (Product) result.ViewData.Model;                Assert.AreEqual("Laptop", product.Name);           }      } }