public void Adorner_should_be_destroyed_on_unload()
{
var backstage = new Backstage
{
Content = new Button()
};
using (var window = new TestRibbonWindow(backstage))
{
Assert.That(backstage.IsLoaded, Is.True);
Assert.That(backstage.GetFieldValue <object>("adorner"), Is.Null);
backstage.IsOpen = true;
Assert.That(backstage.GetFieldValue <object>("adorner"), Is.Not.Null);
backstage.IsOpen = false;
Assert.That(backstage.GetFieldValue <object>("adorner"), Is.Not.Null);
window.Content = null;
UIHelper.DoEvents();
Assert.That(backstage.GetFieldValue <object>("adorner"), Is.Null);
}
}