public void TestAdvancedSearch() { List <string> listAND = new List <string> { "not", "and" }; List <string> listOR = new List <string> { "xor", "and" }; List <string> listNOT = new List <string> { "or" }; List <Note> list1 = testerManager.AdvanceSearch(listAND, listOR, listNOT); Assert.AreEqual(2, list1.Count); }