public void ItemIdCollectionLastIndexOf() { tlog.Debug(tag, $"ItemIdCollectionLastIndexOf START"); uint[] itemId = new uint[] { 1, 2, 3, 4, 3 }; global::System.Collections.ICollection c = itemId; var testingTarget = new ItemIdCollection(c); Assert.IsNotNull(testingTarget, "Should be not null!"); Assert.IsInstanceOf <ItemIdCollection>(testingTarget, "Should be an Instance of ItemIdCollection!"); testingTarget.Capacity = 5; Assert.AreEqual(4, testingTarget.LastIndexOf(3), "Should be equal!"); testingTarget.Dispose(); tlog.Debug(tag, $"ItemIdCollectionLastIndexOf END (OK)"); }