public void TestItemContainerGeneratorRefresh()
{
var items = new ObservableCollection <string>
{
"1",
"2",
"3"
};
var tabControl = new TabControlEx
{
ItemsSource = items
};
using (new TestWindow(tabControl))
{
var itemsPanel = (Panel)tabControl.GetType().GetField("itemsHolder", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(tabControl);
var tabItemsInitial = GetTabItems(tabControl);
Assert.That(tabItemsInitial, Has.Count.EqualTo(3));
Assert.That(itemsPanel.Children.Count, Is.EqualTo(1));
tabControl.ItemContainerGenerator.GetType().GetMethod("Refresh", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(tabControl.ItemContainerGenerator, null);
UITestHelper.DoEvents();
Assert.That(itemsPanel.Children.Count, Is.EqualTo(1));
}
}
public void TestAddRemoveInsertWithItemsSource()
{
var items = new ObservableCollection <string>
{
"1",
"2",
"3"
};
var tabControl = new TabControlEx
{
ItemsSource = items
};
using (new TestWindow(tabControl))
{
var itemsPanel = (Panel)tabControl.GetType().GetField("itemsHolder", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(tabControl);
var tabItemsInitial = GetTabItems(tabControl);
Assert.That(tabItemsInitial, Has.Count.EqualTo(3));
Assert.That(itemsPanel.Children.Count, Is.EqualTo(1));
foreach (var tabItem in tabItemsInitial)
{
tabItem.IsSelected = true;
UITestHelper.DoEvents();
}
Assert.That(itemsPanel.Children.Count, Is.EqualTo(3));
items.RemoveAt(1);
items.Insert(1, "2");
UITestHelper.DoEvents();
Assert.That(itemsPanel.Children.Count, Is.EqualTo(2));
}
}