Add unit test for issue #1732

Author: brianpopow

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

@@ -174,6 +174,19 @@ public async Task Identify_IsCancellable()
             await Assert.ThrowsAsync<TaskCanceledException>(async () => await Image.IdentifyAsync(config, "someFakeFile", cts.Token));
         }
 
+        // https://github.com/SixLabors/ImageSharp/pull/1732
+        [Theory]
+        [WithFile(TestImages.Jpeg.Issues.WrongColorSpace, PixelTypes.Rgba32)]
+        public void Issue1732_DecodesWithRgbColorSpace<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage(new JpegDecoder()))
+            {
+                image.DebugSave(provider);
+                image.CompareToOriginal(provider);
+            }
+        }
+
         // DEBUG ONLY!
         // The PDF.js output should be saved by "tests\ImageSharp.Tests\Formats\Jpg\pdfjs\jpeg-converter.htm"
         // into "\tests\Images\ActualOutput\JpegDecoderTests\"

tests/ImageSharp.Tests/TestImages.cs

@@ -237,6 +237,7 @@ public static class Issues
                 public const string ExifResize1049 = "Jpg/issues/issue1049-exif-resize.jpg";
                 public const string BadSubSampling1076 = "Jpg/issues/issue-1076-invalid-subsampling.jpg";
                 public const string IdentifyMultiFrame1211 = "Jpg/issues/issue-1221-identify-multi-frame.jpg";
+                public const string WrongColorSpace = "Jpg/issues/Issue1732-WrongColorSpace.jpg";
 
                 public static class Fuzz
                 {