From f933fe53cfd8d5e029e930b81c8a7f36c5640e9a Mon Sep 17 00:00:00 2001
From: Benedikt Schroeder <benedikt.schroeder@outlook.de>
Date: Thu, 31 Oct 2019 14:13:58 +0100
Subject: [PATCH] Add failing test #2699

---
 .../TabControlTests.cs                        | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/Avalonia.Controls.UnitTests/TabControlTests.cs b/tests/Avalonia.Controls.UnitTests/TabControlTests.cs
index ddf7e7a0fa..b65a4d67d4 100644
--- a/tests/Avalonia.Controls.UnitTests/TabControlTests.cs
+++ b/tests/Avalonia.Controls.UnitTests/TabControlTests.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.ObjectModel;
 using System.Linq;
+using Avalonia.Collections;
 using Avalonia.Controls.Presenters;
 using Avalonia.Controls.Primitives;
 using Avalonia.Controls.Templates;
@@ -287,6 +288,25 @@ namespace Avalonia.Controls.UnitTests
             Assert.Single(target.GetLogicalChildren(), content);
         }
 
+        [Fact]
+        public void Should_Not_Propagate_DataContext_To_TabItem_Content()
+        {
+            var dataContext = "DataContext";
+
+            var tabItem = new TabItem();
+
+            var target = new TabControl
+            {
+                Template = TabControlTemplate(),
+                DataContext = dataContext,
+                Items = new AvaloniaList<object> { tabItem }
+            };
+
+            ApplyTemplate(target);
+
+            Assert.NotEqual(dataContext, tabItem.Content);
+        }
+
         private IControlTemplate TabControlTemplate()
         {
             return new FuncControlTemplate<TabControl>((parent, scope) =>