public void NotifyCollectionChangedEventArgsNull() { NotifyCollectionChangedEventArgs args = null; string str = args.ToStringAlt(); Assert.AreEqual(str, "(null)"); }
public void NotifyCollectionChangedEventArgs() { EventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset); string str = args.ToStringAlt(); Assert.AreEqual(str, "(NotifyCollectionChangedEventArgs (Action = 'Reset'))"); args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, new [] { new Item() }, 1); str = args.ToStringAlt(); Assert.AreEqual(str, "(NotifyCollectionChangedEventArgs (Action = 'Add' NewItems[0] = 'Exception: Exception', NewStartingIndex = 1))"); args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, new [] { new Item() }, 1); str = args.ToStringAlt(); Assert.AreEqual(str, "(NotifyCollectionChangedEventArgs (Action = 'Remove' OldItems[0] = 'Exception: Exception', OldStartingIndex = 1))"); args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, new [] { new Item() }, new [] { new Item() }, 1); str = args.ToStringAlt(); Assert.AreEqual(str, "(NotifyCollectionChangedEventArgs (Action = 'Replace' NewItems[0] = 'Exception: Exception', NewStartingIndex = 1, OldItems[0] = 'Exception: Exception', OldStartingIndex = 1))"); args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, new [] { new Item() }, 2, 1); str = args.ToStringAlt(); Assert.AreEqual(str, "(NotifyCollectionChangedEventArgs (Action = 'Move' OldStartingIndex = 1, NewStartingIndex = 2))"); }