public void RetrieveAllTest() { //Arrange var repository = new VendorRepository(); var expected = new List <Vendor>() { { new Vendor() { VendorId = 22, CompanyName = "Amalgamated Toys", Email = "*****@*****.**" } }, { new Vendor() { VendorId = 35, CompanyName = "Car Toys", Email = "*****@*****.**" } }, { new Vendor() { VendorId = 28, CompanyName = "Toy Blocks Inc", Email = "*****@*****.**" } }, { new Vendor() { VendorId = 42, CompanyName = "Toys for Fun", Email = "*****@*****.**" } } }; //Act var vendors = repository.Retrieveall(); //Query Syntax //var vendorQuery = from v in vendors // where v.CompanyName.Contains("Toy") // orderby v.CompanyName // select v; // Method Syntax //var vendorQuery = vendors.Where(FilterCompanies) // .OrderBy(OrderCompaniesByName); //Lambda Syntax var vendorQuery = vendors.Where(v => v.CompanyName.Contains("Toy")) .OrderBy(v => v.CompanyName); //Assert CollectionAssert.AreEqual(expected, vendorQuery.ToList()); }