Added test

4 years ago · b4ac71e1dd
4 changed files with 10 additions and 0 deletions
--- a/tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs
+++ b/tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs
@ -42,6 +42,9 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg

            // High depth images
            TestImages.Jpeg.Baseline.Testorig12bit,
+
+            // Grayscale jpeg with 2x2 sampling factors (not a usual thing to encounter in the wild)
+            TestImages.Jpeg.Baseline.GrayscaleSampling2x2,
        };

        public static string[] ProgressiveTestJpegs =
--- a/tests/ImageSharp.Tests/TestImages.cs
+++ b/tests/ImageSharp.Tests/TestImages.cs
@ -223,6 +223,7 @@ namespace SixLabors.ImageSharp.Tests
                public const string Winter444_Interleaved = "Jpg/baseline/winter444_interleaved.jpg";
                public const string Metadata = "Jpg/baseline/Metadata-test-file.jpg";
                public const string ExtendedXmp = "Jpg/baseline/extended-xmp.jpg";
+                public const string GrayscaleSampling2x2 = "Jpg/baseline/grayscale_sampling22.jpg";

                public static readonly string[] All =
                {
--- a/tests/Images/External/ReferenceOutput/JpegDecoderTests/DecodeBaselineJpeg_grayscale_sampling22.png
+++ b/tests/Images/External/ReferenceOutput/JpegDecoderTests/DecodeBaselineJpeg_grayscale_sampling22.png
@ -0,0 +1,3 @@
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+oid sha256:ad22f28d20ea0ceda983a138b3bf9503ed836d779ed75a313f668329c910665e
+size 168405
--- a/tests/Images/Input/Jpg/baseline/grayscale_sampling22.jpg
+++ b/tests/Images/Input/Jpg/baseline/grayscale_sampling22.jpg
@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5cc8572082a54944d48b3e4f49e6c441871f6eb2b616fbbbfb025f20e0aeff5
+size 45066