public virtual void TreeViewPeerGetNoItems()
{
TreeView view = new TreeView();
TreeViewAutomationPeer peer = null;
TestAsync(
view,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(view) as TreeViewAutomationPeer,
() => Assert.IsNull(peer.GetChildren(), "There should be no children when the TreeView does not have items!"));
}
public virtual void TreeViewPeerGetWithItems()
{
TreeView view = new TreeView {
ItemsSource = new int[] { 1, 2, 3 }
};
TreeViewAutomationPeer peer = null;
List <AutomationPeer> items = null;
TestAsync(
view,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(view) as TreeViewAutomationPeer,
() => items = peer.GetChildren(),
() => Assert.AreEqual(3, items.Count, "Unexpected number of child peers!"),
() => Assert.IsInstanceOfType(items[0], typeof(TreeViewItemAutomationPeer), "Child peer is not a TreeViewItemAutomationPeer!"));
}