void BasedOn_FindName_Core(bool useTwice)
{
Style s1 = new Style(typeof(Grid));
Style s2 = new Style(typeof(Grid));
Style basedon = new Style(typeof(Grid));
s1.SetValue(FrameworkElement.NameProperty, "s1");
s2.SetValue(FrameworkElement.NameProperty, "s2");
basedon.SetValue(FrameworkElement.NameProperty, "basedon");
s1.BasedOn = basedon;
if (useTwice)
s2.BasedOn = basedon;
TestPanel.Children.Add(new Grid { Name = "Grid2", Style = s2 });
TestPanel.Children.Add(new Grid { Name = "Grid1", Style = s1 });
Assert.IsInstanceOfType<Style>(TestPanel.FindName("s1"), "#1");
Assert.IsInstanceOfType<Style>(TestPanel.FindName("s2"), "#2");
if (useTwice)
Assert.IsNull(TestPanel.FindName("basedon"), "#3");
else
Assert.AreSame(s1.BasedOn, TestPanel.FindName("basedon"), "#4");
}
