public void Remove_InsideOfTree_UpdatesParents()
{
CreateThreeLevelTree(1);
_target.Remove(_leaves[2]);
Assert.AreEqual(1, _leaves[1].Above.ItemsInNode);
Assert.AreEqual(4, _headers[0].ItemsInNode);
AssertLinked(_leaves[1], _leaves[3]);
AssertLinked(_leaves[1].Above, _leaves[3].Above);
}
private void RemoveItem(IndexingSkipList <IList <TResult> > .Node node, TSource item, IList <TResult> collection)
{
_collectionIndex.Remove(node);
int numberOfInstancesOfCollectionLeft = RemoveNodeFromLookupTable(_collectionToNode, collection, node);
RemoveNodeFromLookupTable(_sourceToCollectionNode, item, node);
if (collection != null && numberOfInstancesOfCollectionLeft == 0)
{
var handler = _weakEventHandlers[collection];
handler.Deregister();
_weakEventHandlers.Remove(collection);
}
}