Add test for issue 2629

Author: brianpopow

tests/ImageSharp.Tests/Formats/Tga/TgaDecoderTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Six Labors Split License.
 
-using System.Runtime.InteropServices;
 using System.Runtime.Intrinsics.X86;
 using Microsoft.DotNet.RemoteExecutor;
 using SixLabors.ImageSharp.Formats;
@@ -724,7 +723,7 @@ public void TgaDecoder_CanDecode_WhenAlphaBitsNotSet<TPixel>(TestImageProvider<T
     {
         using (Image<TPixel> image = provider.GetImage(TgaDecoder.Instance))
         {
-            // Using here the reference output instead of the the reference decoder,
+            // Using here the reference output instead of the reference decoder,
             // because the reference decoder does not ignore the alpha data here.
             image.DebugSave(provider);
             image.CompareToReferenceOutput(ImageComparer.Exact, provider);
@@ -771,6 +770,19 @@ public void TgaDecoder_Decode_Resize<TPixel>(TestImageProvider<TPixel> provider)
             appendPixelTypeToFileName: false);
     }
 
+    // https://github.com/SixLabors/ImageSharp/issues/2629
+    [Theory]
+    [WithFile(Issue2629, PixelTypes.Rgba32)]
+    public void TgaDecoder_CanDecode_Issue2629<TPixel>(TestImageProvider<TPixel> provider)
+        where TPixel : unmanaged, IPixel<TPixel>
+    {
+        using (Image<TPixel> image = provider.GetImage(TgaDecoder.Instance))
+        {
+            image.DebugSave(provider);
+            ImageComparingUtils.CompareWithReferenceDecoder(provider, image);
+        }
+    }
+
     [Theory]
     [WithFile(Bit16BottomLeft, PixelTypes.Rgba32)]
     [WithFile(Bit24BottomLeft, PixelTypes.Rgba32)]

tests/ImageSharp.Tests/TestImages.cs

@@ -617,6 +617,8 @@ public static class Tga
 
         public const string Github_RLE_legacy = "Tga/Github_RLE_legacy.tga";
         public const string WhiteStripesPattern = "Tga/whitestripes.png";
+
+        public const string Issue2629 = "Tga/issues/Issue2629.tga";
     }
 
     public static class Webp

tests/Images/Input/Tga/issues/Issue2629.tga

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:defc1396481f426a74e8af51ed57f65cbed932f932673ce5a87fa12ea9b460f8
+size 32786