diff --git a/tests/Avalonia.Visuals.UnitTests/Rendering/SceneGraph/SceneBuilderTests.cs b/tests/Avalonia.Visuals.UnitTests/Rendering/SceneGraph/SceneBuilderTests.cs index 42e573c8a5..e317b43efc 100644 --- a/tests/Avalonia.Visuals.UnitTests/Rendering/SceneGraph/SceneBuilderTests.cs +++ b/tests/Avalonia.Visuals.UnitTests/Rendering/SceneGraph/SceneBuilderTests.cs @@ -245,6 +245,34 @@ namespace Avalonia.Visuals.UnitTests.Rendering.SceneGraph } } + [Fact] + public void Should_Respect_Uniform_ZIndex() + { + using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface)) + { + Panel panel; + + var tree = new TestRoot + { + Child = panel = new Panel() + }; + + for (var i = 0; i < 128; i++) + { + panel.Children.Add(new Border()); + } + + var result = new Scene(tree); + var sceneBuilder = new SceneBuilder(); + sceneBuilder.UpdateAll(result); + + var panelNode = result.FindNode(tree.Child); + var expected = panel.Children.ToArray(); + var actual = panelNode.Children.OfType().Select(x => x.Visual).ToArray(); + Assert.Equal(expected, actual); + } + } + [Fact] public void ClipBounds_Should_Be_In_Global_Coordinates() {