public void SelectRangeRegressionTest()
{
RunOnUIThread.Execute(() =>
{
var selectionModel = new SelectionModel()
{
Source = CreateNestedData(1, 2, 3)
};
// length of start smaller than end used to cause an out of range error.
selectionModel.SelectRange(IndexPath.CreateFrom(0), IndexPath.CreateFrom(1, 1));
ValidateSelection(selectionModel,
new List <IndexPath>()
{
Path(0, 0),
Path(0, 1),
Path(0, 2),
Path(0),
Path(1, 0),
Path(1, 1)
},
new List <IndexPath>()
{
Path(),
Path(1)
},
1 /* selectedInnerNodes */);
selectionModel = new SelectionModel()
{
Source = CreateNestedData(2, 2, 1)
};
selectionModel.SelectRange(
Path(1), Path(2));
ValidateSelection(
selectionModel,
new List <IndexPath> {
Path(1, 0, 0),
Path(1), Path(2),
Path(1, 0), Path(1, 1),
Path(2, 0), Path(2, 1),
Path(1, 0, 1),
Path(1, 1, 0), Path(1, 1, 1),
Path(2, 0, 0), Path(2, 0, 1),
Path(2, 1, 0), Path(2, 1, 1),
},
new List <IndexPath> {
IndexPath.CreateFromIndices(new List <int> {
})
},
12);
});
}
private static void Traverse(object root, Action <TreeWalkNodeInfo> nodeAction)
{
var pendingNodes = new Stack <TreeWalkNodeInfo>();
IndexPath current = Path(null);
pendingNodes.Push(new TreeWalkNodeInfo()
{
Current = root, Path = current
});
while (pendingNodes.Count > 0)
{
var currentNode = pendingNodes.Pop();
var currentObject = currentNode.Current as IList;
if (currentObject != null)
{
for (int i = currentObject.Count - 1; i >= 0; i--)
{
var child = currentObject[i];
List <int> path = new List <int>();
for (int idx = 0; idx < currentNode.Path.GetSize(); idx++)
{
path.Add(currentNode.Path.GetAt(idx));
}
path.Add(i);
var childPath = IndexPath.CreateFromIndices(path);
if (child != null)
{
pendingNodes.Push(new TreeWalkNodeInfo()
{
Current = child, Path = childPath
});
}
}
}
nodeAction(currentNode);
}
}
public static IndexPath Path(params int[] path)
{
return(IndexPath.CreateFromIndices(path));
}