protected void TestGetParent (MyListBox listbox)
{
listbox.Width = 100;
listbox.Height = 100;
bool layoutUpdated = false;
bool loaded = false;
listbox.LayoutUpdated += (o, e) => layoutUpdated = true;
listbox.Loaded += (o, e) => loaded = true;
TestPanel.Children.Add (listbox);
AutomationPeer peer = null;
AutomationPeer peerParent = null;
ListBoxItem item0 = null;
ListBoxItem item1 = null;
List<AutomationPeer> children = null;
EnqueueConditional (() => loaded, "Loaded #0");
Enqueue (() => {
item0 = new ListBoxItem () { Content = "Item 0" };
item1 = new ListBoxItem () { Content = "Item 1" };
peer = FrameworkElementAutomationPeer.CreatePeerForElement (listbox);
Assert.IsNotNull (peer, "CreatePeerForElement #0");
Assert.IsNull (peer.GetChildren (), "GetChildren #1");
listbox.Items.Add (item0);
listbox.Items.Add (item1);
children = peer.GetChildren ();
Assert.IsNotNull (children, "GetChildren #2");
Assert.AreEqual (2, children.Count, "GetChildren #3");
if (listbox.Template == null)
peerParent = peer;
else {
// When default Template is used the Parent is the ScrollViewer
// not the ListBox
ScrollViewer viewer = listbox.GetScrollViewer ();
Assert.IsNotNull (viewer, "Missing ScrollViewer");
if (viewer != null)
peerParent = FrameworkElementAutomationPeer.CreatePeerForElement (viewer);
}
Assert.AreEqual (peerParent, children[0].GetParent (), "GetParent #1");
Assert.AreEqual (peerParent, children[1].GetParent (), "GetParent #2");
layoutUpdated = false;
listbox.Items.Remove (item1);
});
EnqueueConditional (() => layoutUpdated, "LayoutUpdated #0");
Enqueue (() => {
Assert.IsNull (children [1].GetParent (), "GetParent #2");
Assert.IsNotNull (peer.GetChildren (), "GetChildren #4");
Assert.AreEqual (1, peer.GetChildren ().Count, "GetChildren #5");
});
EnqueueTestComplete ();
}
protected void TestGetParent(MyListBox listbox)
{
listbox.Width = 100;
listbox.Height = 100;
bool layoutUpdated = false;
bool loaded = false;
listbox.LayoutUpdated += (o, e) => layoutUpdated = true;
listbox.Loaded += (o, e) => loaded = true;
TestPanel.Children.Add(listbox);
AutomationPeer peer = null;
AutomationPeer peerParent = null;
ListBoxItem item0 = null;
ListBoxItem item1 = null;
List <AutomationPeer> children = null;
EnqueueConditional(() => loaded, "Loaded #0");
Enqueue(() => {
item0 = new ListBoxItem()
{
Content = "Item 0"
};
item1 = new ListBoxItem()
{
Content = "Item 1"
};
peer = FrameworkElementAutomationPeer.CreatePeerForElement(listbox);
Assert.IsNotNull(peer, "CreatePeerForElement #0");
Assert.IsNull(peer.GetChildren(), "GetChildren #1");
listbox.Items.Add(item0);
listbox.Items.Add(item1);
children = peer.GetChildren();
Assert.IsNotNull(children, "GetChildren #2");
Assert.AreEqual(2, children.Count, "GetChildren #3");
if (listbox.Template == null)
{
peerParent = peer;
}
else
{
// When default Template is used the Parent is the ScrollViewer
// not the ListBox
ScrollViewer viewer = listbox.GetScrollViewer();
Assert.IsNotNull(viewer, "Missing ScrollViewer");
if (viewer != null)
{
peerParent = FrameworkElementAutomationPeer.CreatePeerForElement(viewer);
}
}
Assert.AreEqual(peerParent, children[0].GetParent(), "GetParent #1");
Assert.AreEqual(peerParent, children[1].GetParent(), "GetParent #2");
layoutUpdated = false;
listbox.Items.Remove(item1);
});
EnqueueConditional(() => layoutUpdated, "LayoutUpdated #0");
Enqueue(() => {
Assert.IsNull(children [1].GetParent(), "GetParent #2");
Assert.IsNotNull(peer.GetChildren(), "GetChildren #4");
Assert.AreEqual(1, peer.GetChildren().Count, "GetChildren #5");
});
EnqueueTestComplete();
}
