From 6cff023550b677f459394a9845e18315b250b1e0 Mon Sep 17 00:00:00 2001
From: Ynse Hoornenborg <github@ynse.nl>
Date: Mon, 29 Mar 2021 21:59:50 +0200
Subject: [PATCH] Add test cases for Grayscale jpeg

---
 tests/ImageSharp.Tests/Formats/Jpg/JpegEncoderTests.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/ImageSharp.Tests/Formats/Jpg/JpegEncoderTests.cs b/tests/ImageSharp.Tests/Formats/Jpg/JpegEncoderTests.cs
index 522c8a40b4..0d277a132c 100644
--- a/tests/ImageSharp.Tests/Formats/Jpg/JpegEncoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/Jpg/JpegEncoderTests.cs
@@ -80,13 +80,18 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg
         [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 255, 100, 50, 255, PixelTypes.Rgba32)]
         [WithTestPatternImages(nameof(BitsPerPixel_Quality), 7, 5, PixelTypes.Rgba32)]
         [WithTestPatternImages(nameof(BitsPerPixel_Quality), 600, 400, PixelTypes.Rgba32)]
+        [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 100, 100, 100, 255, PixelTypes.L8)]
         public void EncodeBaseline_WorksWithDifferentSizes<TPixel>(TestImageProvider<TPixel> provider, JpegSubsample subsample, int quality)
             where TPixel : unmanaged, IPixel<TPixel> => TestJpegEncoderCore(provider, subsample, quality);
 
         [Theory]
         [WithFile(TestImages.Png.BikeGrayscale, nameof(BitsPerPixel_Quality), PixelTypes.L8)]
+        [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 100, 100, 100, 255, PixelTypes.Rgba32)]
         [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 100, 100, 100, 255, PixelTypes.L8)]
-        public void EncodeBaseline_GrayscaleWorksWithDifferentSizes<TPixel>(TestImageProvider<TPixel> provider, JpegSubsample subsample, int quality)
+        [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 100, 100, 100, 255, PixelTypes.L16)]
+        [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 100, 100, 100, 255, PixelTypes.La16)]
+        [WithSolidFilledImages(nameof(BitsPerPixel_Quality), 1, 1, 100, 100, 100, 255, PixelTypes.La32)]
+        public void EncodeBaseline_Grayscale<TPixel>(TestImageProvider<TPixel> provider, JpegSubsample subsample, int quality)
             where TPixel : unmanaged, IPixel<TPixel> => TestJpegEncoderCore(provider, subsample, quality, JpegColorType.Luminance);
 
         [Theory]