From b540a3aa516d9b21200d3e8e7a0665864e27ebec Mon Sep 17 00:00:00 2001
From: Youssef1313 <youssefvictor00@gmail.com>
Date: Sun, 25 Sep 2022 17:56:36 +0200
Subject: [PATCH] test: Add test for CornerRadius

---
 .../BorderTests/Border_Tests.cs               | 25 +++++++++++++++++++
 .../BorderTests/Border_CornerRadius.xaml      |  8 ++++++
 2 files changed, 33 insertions(+)

diff --git a/src/SamplesApp/SamplesApp.UITests/Windows_UI_Xaml_Controls/BorderTests/Border_Tests.cs b/src/SamplesApp/SamplesApp.UITests/Windows_UI_Xaml_Controls/BorderTests/Border_Tests.cs
index 4a569321aabd..2ddc9148ce20 100644
--- a/src/SamplesApp/SamplesApp.UITests/Windows_UI_Xaml_Controls/BorderTests/Border_Tests.cs
+++ b/src/SamplesApp/SamplesApp.UITests/Windows_UI_Xaml_Controls/BorderTests/Border_Tests.cs
@@ -55,6 +55,31 @@ public void Check_CornerRadius_Border_Basic()
 				ExpectedPixels.At(sample.Right - eighth, sample.Bottom - eighth).Named("bottom right corner").Pixel(white),
 				ExpectedPixels.At(sample.X + eighth, sample.Bottom - eighth).Named("bottom left corner").Pixel(white)
 			);
+
+#if __WASM__
+			// See https://github.com/unoplatform/uno/issues/5440 for the scenario being tested.
+			var sample2 = _app.GetPhysicalRect("Sample2");
+
+			var top = sample2.Y + 1;
+			ImageAssert.HasColorAt(result, sample2.CenterX, top, Color.Red, tolerance: 20);
+			ImageAssert.HasColorAt(result, sample2.CenterX + 25, top, Color.White);
+			ImageAssert.HasColorAt(result, sample2.CenterX - 25, top, Color.White);
+
+			var bottom = sample2.Bottom - 1;
+			ImageAssert.HasColorAt(result, sample2.CenterX, bottom, Color.Red, tolerance: 20);
+			ImageAssert.HasColorAt(result, sample2.CenterX + 20, bottom, Color.White);
+			ImageAssert.HasColorAt(result, sample2.CenterX - 20, bottom, Color.White);
+
+			var right = sample2.Right - 1;
+			ImageAssert.HasColorAt(result, right, sample2.CenterY, Color.Red, tolerance: 20);
+			ImageAssert.HasColorAt(result, right, sample2.CenterY - 10, Color.White);
+			ImageAssert.HasColorAt(result, right, sample2.CenterY + 10, Color.White);
+
+			var left = sample2.X + 2;
+			ImageAssert.HasColorAt(result, left, sample2.CenterY, Color.Red, tolerance: 20);
+			ImageAssert.HasColorAt(result, left, sample2.CenterY - 10, Color.White);
+			ImageAssert.HasColorAt(result, left, sample2.CenterY + 10, Color.White);
+#endif
 		}
 
 		[Test]
diff --git a/src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/BorderTests/Border_CornerRadius.xaml b/src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/BorderTests/Border_CornerRadius.xaml
index 740b43035606..355b2c7d4105 100644
--- a/src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/BorderTests/Border_CornerRadius.xaml
+++ b/src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/BorderTests/Border_CornerRadius.xaml
@@ -18,6 +18,14 @@
 					Height="100"
 					CornerRadius="50" />
 
+			<!-- Sample for https://github.com/unoplatform/uno/issues/5440 -->
+			<Border Height="30" />
+			<Border x:Name="Sample2"
+					Width="128"
+					Height="64"
+					Background="Red"
+					CornerRadius="128" />
+
 			<Border Height="30" />
 			<Border Width="100"
 					Height="50"