From 098a4ae7c000268719bc70975aa0b28b19611ff1 Mon Sep 17 00:00:00 2001
From: Brian Popow <popow@gmx.de>
Date: Fri, 2 Sep 2022 12:16:07 +0200
Subject: [PATCH] Compare Issue 2217 to reference output

---
 .../Binarization/AdaptiveThresholdTests.cs    | 19 +------------------
 ..._Issue_2217_AdaptiveThresholdProcessor.png |  3 +++
 2 files changed, 4 insertions(+), 18 deletions(-)
 create mode 100644 tests/Images/External/ReferenceOutput/AdaptiveThresholdTests/AdaptiveThreshold_Works_Rgba32_Issue_2217_AdaptiveThresholdProcessor.png

diff --git a/tests/ImageSharp.Tests/Processing/Binarization/AdaptiveThresholdTests.cs b/tests/ImageSharp.Tests/Processing/Binarization/AdaptiveThresholdTests.cs
index 6f4214c14..e9304299d 100644
--- a/tests/ImageSharp.Tests/Processing/Binarization/AdaptiveThresholdTests.cs
+++ b/tests/ImageSharp.Tests/Processing/Binarization/AdaptiveThresholdTests.cs
@@ -1,7 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Six Labors Split License.
 
-using System;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Processing.Processors.Binarization;
@@ -103,6 +102,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization
         [WithFile(TestImages.Png.Bradley01, PixelTypes.Rgba32)]
         [WithFile(TestImages.Png.Bradley02, PixelTypes.Rgba32)]
         [WithFile(TestImages.Png.Ducky, PixelTypes.Rgba32)]
+        [WithFile(TestImages.Png.Issue2217, PixelTypes.Rgba32)]
         public void AdaptiveThreshold_Works<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
         {
@@ -126,22 +126,5 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization
                 image.CompareToReferenceOutput(ImageComparer.Exact, provider);
             }
         }
-
-        // https://github.com/SixLabors/ImageSharp/issues/2217
-        [Theory]
-        [WithFile(TestImages.Png.Issue2217, PixelTypes.Rgba32)]
-        public void Issue_2217_AdaptiveThreshold_DoesNotThrowIndexOutOfRangeException<TPixel>(
-            TestImageProvider<TPixel> provider)
-            where TPixel : unmanaged, IPixel<TPixel>
-        {
-            Exception exception = Record.Exception(() =>
-            {
-                using Image<TPixel> image = provider.GetImage();
-                image.Mutate(img => img.AdaptiveThreshold());
-                image.DebugSave(provider);
-            });
-
-            Assert.Null(exception);
-        }
     }
 }
diff --git a/tests/Images/External/ReferenceOutput/AdaptiveThresholdTests/AdaptiveThreshold_Works_Rgba32_Issue_2217_AdaptiveThresholdProcessor.png b/tests/Images/External/ReferenceOutput/AdaptiveThresholdTests/AdaptiveThreshold_Works_Rgba32_Issue_2217_AdaptiveThresholdProcessor.png
new file mode 100644
index 000000000..046dec8e5
--- /dev/null
+++ b/tests/Images/External/ReferenceOutput/AdaptiveThresholdTests/AdaptiveThreshold_Works_Rgba32_Issue_2217_AdaptiveThresholdProcessor.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9e47d328e9d6d37a5bf090d2f8d748b80d78be936df06f4b3afec0fd9712f39
+size 412