From faf87fbe16066a583aac493cad7339666cefec08 Mon Sep 17 00:00:00 2001
From: Brian Popow <popow@gmx.de>
Date: Sat, 14 Mar 2026 19:37:39 +0100
Subject: [PATCH] Use MagickReference decoder for exr decoding tests

---
 .../ImageSharp.Tests/Formats/Exr/ExrDecoderTests.cs | 13 ++++++++-----
 .../ReferenceCodecs/MagickReferenceDecoder.cs       |  4 ++++
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/tests/ImageSharp.Tests/Formats/Exr/ExrDecoderTests.cs b/tests/ImageSharp.Tests/Formats/Exr/ExrDecoderTests.cs
index 846dd42ca9..c90d4bdbad 100644
--- a/tests/ImageSharp.Tests/Formats/Exr/ExrDecoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/Exr/ExrDecoderTests.cs
@@ -3,6 +3,7 @@
 
 using SixLabors.ImageSharp.Formats.Exr;
 using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Exr;
 
@@ -10,6 +11,8 @@ namespace SixLabors.ImageSharp.Tests.Formats.Exr;
 [ValidateDisposedMemoryAllocations]
 public class ExrDecoderTests
 {
+    private static MagickReferenceDecoder ReferenceDecoder => MagickReferenceDecoder.Exr;
+
     [Theory]
     [WithFile(TestImages.Exr.Uncompressed, PixelTypes.Rgba32)]
     public void ExrDecoder_CanDecode_Uncompressed<TPixel>(TestImageProvider<TPixel> provider)
@@ -17,7 +20,7 @@ public class ExrDecoderTests
     {
         using Image<TPixel> image = provider.GetImage(ExrDecoder.Instance);
         image.DebugSave(provider);
-        image.CompareToOriginal(provider);
+        image.CompareToOriginal(provider, ReferenceDecoder);
     }
 
     [Theory]
@@ -27,7 +30,7 @@ public class ExrDecoderTests
     {
         using Image<TPixel> image = provider.GetImage(ExrDecoder.Instance);
         image.DebugSave(provider);
-        image.CompareToOriginal(provider);
+        image.CompareToOriginal(provider, ReferenceDecoder);
     }
 
     [Theory]
@@ -37,7 +40,7 @@ public class ExrDecoderTests
     {
         using Image<TPixel> image = provider.GetImage(ExrDecoder.Instance);
         image.DebugSave(provider);
-        image.CompareToOriginal(provider);
+        image.CompareToOriginal(provider, ReferenceDecoder);
     }
 
     [Theory]
@@ -47,7 +50,7 @@ public class ExrDecoderTests
     {
         using Image<TPixel> image = provider.GetImage(ExrDecoder.Instance);
         image.DebugSave(provider);
-        image.CompareToOriginal(provider);
+        image.CompareToOriginal(provider, ReferenceDecoder);
     }
 
     [Theory]
@@ -57,6 +60,6 @@ public class ExrDecoderTests
     {
         using Image<TPixel> image = provider.GetImage(ExrDecoder.Instance);
         image.DebugSave(provider);
-        image.CompareToOriginal(provider);
+        image.CompareToOriginal(provider, ReferenceDecoder);
     }
 }
diff --git a/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs b/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs
index 862d4b64d3..a63818562f 100644
--- a/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs
@@ -6,6 +6,7 @@ using ImageMagick;
 using ImageMagick.Formats;
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.Formats.Bmp;
+using SixLabors.ImageSharp.Formats.Exr;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Tiff;
@@ -42,6 +43,8 @@ public class MagickReferenceDecoder : ImageDecoder
 
     public static MagickReferenceDecoder WebP { get; } = new(WebpFormat.Instance);
 
+    public static MagickReferenceDecoder Exr { get; } = new(ExrFormat.Instance);
+
     protected override Image<TPixel> Decode<TPixel>(DecoderOptions options, Stream stream, CancellationToken cancellationToken)
     {
         ImageMetadata metadata = new();
@@ -118,6 +121,7 @@ public class MagickReferenceDecoder : ImageDecoder
             PixelType = metadata.GetDecodedPixelTypeInfo()
         };
     }
+
     private static void FromRgba32Bytes<TPixel>(
         Configuration configuration,
         Span<byte> rgbaBytes,