Merge pull request #2594 from SixLabors/js/fix-2517-jpeg

Confirm we can correctly decode jpegs with malformed D0-D7 chunks.

Author: JimBobSquarePants

tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.cs

@@ -353,4 +353,15 @@ public void DecodeHang<TPixel>(TestImageProvider<TPixel> provider)
         Assert.Equal(65503, image.Width);
         Assert.Equal(65503, image.Height);
     }
+
+    // https://github.com/SixLabors/ImageSharp/issues/2517
+    [Theory]
+    [WithFile(TestImages.Jpeg.Issues.Issue2517, PixelTypes.Rgba32)]
+    public void Issue2517_DecodeWorks<TPixel>(TestImageProvider<TPixel> provider)
+        where TPixel : unmanaged, IPixel<TPixel>
+    {
+        using Image<TPixel> image = provider.GetImage(JpegDecoder.Instance);
+        image.DebugSave(provider);
+        image.CompareToOriginal(provider);
+    }
 }

tests/ImageSharp.Tests/TestImages.cs

@@ -307,6 +307,7 @@ public static class Issues
             public const string Issue2478_JFXX = "Jpg/issues/issue-2478-jfxx.jpg";
             public const string Issue2564 = "Jpg/issues/issue-2564.jpg";
             public const string HangBadScan = "Jpg/issues/Hang_C438A851.jpg";
+            public const string Issue2517 = "Jpg/issues/issue2517-bad-d7.jpg";
 
             public static class Fuzz
             {