/// <inheritdoc />
protected override void RemoveItem(int index)
{
TItemVM oldItem = this[index];
base.RemoveItem(index);
CallBehaviors(CollectionChangedArgs <TItemVM> .ItemRemoved(this, oldItem, index));
}
public void Remove_CallsHandleChangeWithItemRemovedArgs()
{
Collection.Add(CreateItem());
var item = CreateItem();
Collection.Add(item);
ResetStub();
Collection.Remove(item);
AssertChangeArgs(
CollectionChangedArgs <IViewModel> .ItemRemoved(Collection, item, 1)
);
}
public void Move_CallsHandleChangeTwoTimes()
{
var item0 = CreateItem();
var item1 = CreateItem();
Collection.Add(item0);
Collection.Add(item1);
ResetStub();
Collection.Move(fromIndex: 0, toIndex: 1);
AssertChangeArgs(
CollectionChangedArgs <IViewModel> .ItemRemoved(Collection, item0, 0),
CollectionChangedArgs <IViewModel> .ItemInserted(Collection, item0, 1)
);
}
protected void HandleItemRemoved(TItemVM item, int index = 0)
{
var args = CollectionChangedArgs <TItemVM> .ItemRemoved(Collection, item, index);
Behavior.HandleChange(Context, args);
}