public void TestUniq()
 {
     CollectionAssert.AreEqual(new[] { "ants", "bugs", "bees" }, StandardFilters.Uniq(new string[] { "ants", "bugs", "bees", "bugs", "ants" }));
     CollectionAssert.AreEqual(new string[] {}, StandardFilters.Uniq(new string[] {}));
     Assert.AreEqual(null, StandardFilters.Uniq(null));
     Assert.AreEqual(new List <object> {
         5
     }, StandardFilters.Uniq(5));
 }