gistfile1.txt

        [Fact]
        public void Infinite_Loop()
        {
            using (UnitTestApplication.Start(TestServices.StyledWindow))
            {
                var xaml = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
        Width='100' Height='100'>
    <ListBox Items='{Binding}'>
        <ListBox.ItemTemplate>
            <DataTemplate>
                <Button Content='{Binding}'/>
            </DataTemplate>
        </ListBox.ItemTemplate>
        <ListBox.Styles>
            <Style Selector='Button'>
                <Setter Property='Template'>
                    <Setter.Value>
                        <ControlTemplate>
                            <TextBlock Text='{TemplateBinding Text}'/>
                        </ControlTemplate>                
                    </Setter.Value>
                </Setter>            
            </Style>
        </ListBox.Styles>
    </ListBox>
</Window>";
                var loader = new AvaloniaXamlLoader();
                var window = (Window)loader.Load(xaml);
                var listBox = (ListBox)window.Content;

                window.DataContext = new[] { new Item("foo") };

                LayoutManager.Instance.ExecuteInitialLayoutPass(window);

                var listBoxItem = (ListBoxItem)listBox.GetLogicalChildren().Single();
                var button = (Button)listBoxItem.Presenter.Child;
                var textBlock = (TextBlock)button.GetVisualChildren().Single();

                Assert.Null(textBlock.Text);
            }
        }