From bc723d308bce60736b7de8041547ef7bb7fc61f9 Mon Sep 17 00:00:00 2001
From: Brian Popow <popow@gmx.de>
Date: Wed, 2 Jun 2021 10:38:54 +0200
Subject: [PATCH] Add 4 bit and 2 bit depth to the valid bit depth for the
 magick reference decoder

---
 .../TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs b/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs
index 4e2866be1..885d12e77 100644
--- a/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs
@@ -87,7 +87,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
                 MemoryGroup<TPixel> framePixels = frame.PixelBuffer.FastMemoryGroup;
 
                 using IUnsafePixelCollection<ushort> pixels = magicFrame.GetPixelsUnsafe();
-                if (magicFrame.Depth == 8 || magicFrame.Depth == 1)
+                if (magicFrame.Depth == 8 || magicFrame.Depth == 4 || magicFrame.Depth == 2 || magicFrame.Depth == 1)
                 {
                     byte[] data = pixels.ToByteArray(PixelMapping.RGBA);