public void ListSourceClear() { tlog.Debug(tag, $"ListSourceClear START"); var para = new TestEnumerable(); var testingTarget = new ListSource(para); Assert.IsNotNull(testingTarget, "should be not null"); Assert.IsInstanceOf <ListSource>(testingTarget, "should be an instance of testing target class!"); testingTarget.Clear(); Assert.AreEqual(testingTarget.Count, 0, "The ListSouce should be empty after cleared."); testingTarget.Dispose(); tlog.Debug(tag, $"ListSourceClear END (OK)"); }