public void TreeViewItemsSourceUpdateTest()
{
var treeView = new TreeView();
var items = CreateTreeViewItemsSource();
treeView.ItemsSource = items;
// Insert
var newItem = new TreeViewItemSource()
{
Content = "newItem"
};
items.Add(newItem);
Verify.AreEqual(treeView.RootNodes.Count, 3);
var itemFromNode = treeView.RootNodes[2].Content as TreeViewItemSource;
Verify.AreEqual(newItem.Content, itemFromNode.Content);
// Remove
items.Remove(newItem);
Verify.AreEqual(treeView.RootNodes.Count, 2);
// Replace
var item3 = new TreeViewItemSource()
{
Content = "3"
};
items[1] = item3;
itemFromNode = treeView.RootNodes[1].Content as TreeViewItemSource;
Verify.AreEqual(item3.Content, itemFromNode.Content);
// Clear
items.Clear();
Verify.AreEqual(treeView.RootNodes.Count, 0);
}
