public void NullTemplateAppliesDefault ()
{
ItemsControl c = new ItemsControl { Template = null };
Assert.VisualChildren (c, "#1");
c.Measure (new Size (50, 50));
Assert.VisualChildren (c, "#2",
new VisualNode<ItemsPresenter> ("#a",
new VisualNode<StackPanel> ("#b")
)
);
}