gistfile1.txt

[TestMethod]
[Asynchronous]
public void ChangeContentChangesTemplate ()
{
	ContentControl c = (ContentControl) XamlReader.Load (@"
<ContentControl xmlns=""http://schemas.microsoft.com/client/2007"" xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml"">
    <ContentControl.Template>
      <ControlTemplate>
        <Grid>
          <ContentPresenter />
        </Grid>
      </ControlTemplate>
    </ContentControl.Template>
</ContentControl>
");
	// Check what happens going from UIElement -> UIElement
	c.Content = new Rectangle ();
	c.ApplyTemplate ();
	CreateAsyncTest (c,
		() => Assert.VisualChildren (c, "#1",
			new VisualNode<Grid> ("#a",
				new VisualNode<ContentPresenter> ("#b",
					new VisualNode<Rectangle> ("#c")
				)
			)
		),
		() => {
			c.Content = new Rectangle ();
			Assert.VisualChildren (c, "#3",
				new VisualNode<Grid> ("#d",
					new VisualNode<ContentPresenter> ("#e")
				)
			);
		}
	);
}