From 9a42d547670d746e0c652281b429f516d43b5357 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Fri, 10 Jan 2020 23:39:52 +1100
Subject: [PATCH] Add test images

---
 .../ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs  | 5 ++++-
 tests/ImageSharp.Tests/TestImages.cs                         | 1 +
 tests/Images/External                                        | 2 +-
 .../Input/Jpg/issues/issue-1076-invalid-subsampling.jpg      | 3 +++
 4 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 tests/Images/Input/Jpg/issues/issue-1076-invalid-subsampling.jpg

diff --git a/tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs b/tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs
index 4a3ef9b956..37da32d763 100644
--- a/tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs
+++ b/tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.Images.cs
@@ -31,6 +31,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg
                 TestImages.Jpeg.Issues.InvalidAPP0721,
                 TestImages.Jpeg.Issues.ExifGetString750Load,
                 TestImages.Jpeg.Issues.ExifGetString750Transform,
+                TestImages.Jpeg.Issues.BadSubSampling1076,
 
                 // LibJpeg can open this despite the invalid density units.
                 TestImages.Jpeg.Issues.Fuzz.ArgumentOutOfRangeException825B,
@@ -38,6 +39,9 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg
                 // LibJpeg can open this despite incorrect colorspace metadata.
                 TestImages.Jpeg.Issues.IncorrectColorspace855,
 
+                // LibJpeg can open this despite the invalid subsampling units.
+                TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824C,
+
                 // High depth images
                 TestImages.Jpeg.Baseline.Testorig12bit,
             };
@@ -71,7 +75,6 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg
             TestImages.Jpeg.Issues.Fuzz.NullReferenceException823,
             TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824A,
             TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824B,
-            TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824C,
             TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824D,
             TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824E,
             TestImages.Jpeg.Issues.Fuzz.IndexOutOfRangeException824F,
diff --git a/tests/ImageSharp.Tests/TestImages.cs b/tests/ImageSharp.Tests/TestImages.cs
index ada0774961..f5cdb29b63 100644
--- a/tests/ImageSharp.Tests/TestImages.cs
+++ b/tests/ImageSharp.Tests/TestImages.cs
@@ -192,6 +192,7 @@ namespace SixLabors.ImageSharp.Tests
                 public const string IncorrectColorspace855 = "Jpg/issues/issue855-incorrect-colorspace.jpg";
                 public const string IncorrectResize1006 = "Jpg/issues/issue1006-incorrect-resize.jpg";
                 public const string ExifResize1049 = "Jpg/issues/issue1049-exif-resize.jpg";
+                public const string BadSubSampling1076 = "Jpg/issues/issue-1076-invalid-subsampling.jpg";
 
                 public static class Fuzz
                 {
diff --git a/tests/Images/External b/tests/Images/External
index d8ea82085a..b47190bd5c 160000
--- a/tests/Images/External
+++ b/tests/Images/External
@@ -1 +1 @@
-Subproject commit d8ea82085ac39a6aa6ca8e0806a9518d3a7d3337
+Subproject commit b47190bd5cd450110f3849962512b918d2596ecf
diff --git a/tests/Images/Input/Jpg/issues/issue-1076-invalid-subsampling.jpg b/tests/Images/Input/Jpg/issues/issue-1076-invalid-subsampling.jpg
new file mode 100644
index 0000000000..6cc3531a0b
--- /dev/null
+++ b/tests/Images/Input/Jpg/issues/issue-1076-invalid-subsampling.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1507746a6c37697cb985fc7427709fd68478ff7cbdfe20f6cfbe7257ed6c7ccd
+size 39149