public void TestID33_FilterByFirstName() { CustomerList TestList = new CustomerList(); TestList.CustList = TestCustomerList.FilterByFirstName(SearchFirstName); if (TestList.CustList.Count != FilterByFirstName_expectedResult.Length) { Assert.Fail("Too many or too few customers found."); } else { for (int i = 0; i < FilterByFirstName_expectedResult.Length; i++) { Assert.IsTrue(FilterByFirstName_expectedResult.Contains(TestList.CustList[i].CustomerNumber)); } } }