public void ItemIdCollectionGetRange() { tlog.Debug(tag, $"ItemIdCollectionGetRange START"); using (ItemIdCollection itemIdCollection = new ItemIdCollection(5)) { var testingTarget = new ItemIdCollection(); Assert.IsNotNull(testingTarget, "Should be not null!"); Assert.IsInstanceOf <ItemIdCollection>(testingTarget, "Should be an Instance of ItemIdCollection!"); testingTarget.AddRange(itemIdCollection); try { var result = testingTarget.GetRange(0, 0); Assert.IsInstanceOf <ItemIdCollection>(result, "Should be an Instance of ItemIdCollection!"); } catch (Exception e) { tlog.Debug(tag, e.Message.ToString()); Assert.Fail("Caught Exception: Failed!"); } testingTarget.Dispose(); } tlog.Debug(tag, $"ItemIdCollectionGetRange END (OK)"); }