tests

Author: antonfirsov

tests/ImageSharp.Tests/Formats/Gif/GifDecoderTests.cs

@@ -317,5 +317,17 @@ public void IssueTooLargeLzwBits<TPixel>(TestImageProvider<TPixel> provider)
             image.DebugSaveMultiFrame(provider);
             image.CompareToReferenceOutputMultiFrame(provider, ImageComparer.Exact);
         }
+
+        // https://github.com/SixLabors/ImageSharp/issues/2859
+        [Theory]
+        [WithFile(TestImages.Gif.Issues.Issue2859_A, PixelTypes.Rgba32)]
+        [WithFile(TestImages.Gif.Issues.Issue2859_B, PixelTypes.Rgba32)]
+        public void Issue2859_LZWPixelStackOverflow<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using Image<TPixel> image = provider.GetImage();
+            image.DebugSaveMultiFrame(provider);
+            image.CompareToReferenceOutputMultiFrame(provider, ImageComparer.Exact);
+        }
     }
 }

tests/ImageSharp.Tests/TestImages.cs

@@ -464,7 +464,9 @@ public static class Issues
                 public const string Issue1962NoColorTable = "Gif/issues/issue1962_tiniest_gif_1st.gif";
                 public const string Issue2012EmptyXmp = "Gif/issues/issue2012_Stronghold-Crusader-Extreme-Cover.gif";
                 public const string Issue2012BadMinCode = "Gif/issues/issue2012_drona1.gif";
-            public const string Issue2758 = "Gif/issues/issue_2758.gif";
+                public const string Issue2758 = "Gif/issues/issue_2758.gif";
+                public const string Issue2859_A = "Gif/issues/issue_2859_A.gif";
+                public const string Issue2859_B = "Gif/issues/issue_2859_B.gif";
             }
 
             public static readonly string[] All = { Rings, Giphy, Cheers, Trans, Kumin, Leo, Ratio4x1, Ratio1x4 };