From d43af4f375d126e79fd7a700ae87cde7b4f6ea39 Mon Sep 17 00:00:00 2001
From: Ynse Hoornenborg <github@ynse.nl>
Date: Mon, 10 Mar 2025 21:56:58 +0100
Subject: [PATCH] Fix TilingTest

---
 tests/ImageSharp.Tests/Formats/Heif/Av1/Av1TilingTests.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1TilingTests.cs b/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1TilingTests.cs
index 31658f231c..5deed999e7 100644
--- a/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1TilingTests.cs
+++ b/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1TilingTests.cs
@@ -5,6 +5,7 @@ using SixLabors.ImageSharp.Formats.Heif.Av1;
 using SixLabors.ImageSharp.Formats.Heif.Av1.OpenBitstreamUnit;
 using SixLabors.ImageSharp.Formats.Heif.Av1.Pipeline;
 using SixLabors.ImageSharp.Formats.Heif.Av1.Tiling;
+using SixLabors.ImageSharp.Memory;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Heif.Av1;
 
@@ -34,6 +35,8 @@ public class Av1TilingTests
 
         // Assert
         Assert.Equal(dataSize * 8, bitStreamReader.BitPosition);
+        Assert.False(frameBuffer.BufferY.Size().IsEmpty);
+        Assert.True(frameBuffer.BufferY.DangerousGetSingleSpan().ContainsAnyExcept<byte>(0));
     }
 
     [Theory]