From 42f0f6a23fa9d457258c201e38c28dcc8cb17982 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Mon, 15 Jan 2018 21:13:13 +0100
Subject: [PATCH] Added failing test for #1343.

---
 .../Media/RectangleGeometryTests.cs           | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 tests/Avalonia.Visuals.UnitTests/Media/RectangleGeometryTests.cs

diff --git a/tests/Avalonia.Visuals.UnitTests/Media/RectangleGeometryTests.cs b/tests/Avalonia.Visuals.UnitTests/Media/RectangleGeometryTests.cs
new file mode 100644
index 0000000000..9f94e7fab4
--- /dev/null
+++ b/tests/Avalonia.Visuals.UnitTests/Media/RectangleGeometryTests.cs
@@ -0,0 +1,39 @@
+using System;
+using Avalonia.Media;
+using Avalonia.Platform;
+using Avalonia.UnitTests;
+using Moq;
+using Xunit;
+
+namespace Avalonia.Visuals.UnitTests.Media
+{
+    public class RectangleGeometryTests
+    {
+        [Fact]
+        public void Rectangle_With_Transform_Can_Be_Changed()
+        {
+            using (UnitTestApplication.Start(GetServices()))
+            {
+                var target = new RectangleGeometry
+                {
+                    Rect = new Rect(0, 0, 100, 100),
+                    Transform = new RotateTransform(45),
+                };
+
+                target.Rect = new Rect(50, 50, 150, 150);
+            }
+        }
+
+        private TestServices GetServices()
+        {
+            var context = Mock.Of<IStreamGeometryContextImpl>();
+            var transformedGeometry = new Mock<IGeometryImpl>();
+            var streamGeometry = Mock.Of<IStreamGeometryImpl>(x => 
+                x.Open() == context &&
+                x.WithTransform(It.IsAny<Matrix>()) == transformedGeometry.Object);
+            var renderInterface = Mock.Of<IPlatformRenderInterface>(x =>
+                x.CreateStreamGeometry() == streamGeometry);
+            return new TestServices(renderInterface: renderInterface);
+        }
+    }
+}