From 3aea058c98e07bcc4435dcb94ed49aa0c82aff8f Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Mon, 13 Mar 2023 18:15:17 +0900
Subject: [PATCH] Add test coverage ensuring images are not read as videos

---
 .../Formats/LegacyStoryboardDecoderTest.cs        | 15 +++++++++++++++
 .../Resources/image-specified-as-video.osb        |  4 ++++
 2 files changed, 19 insertions(+)
 create mode 100644 osu.Game.Tests/Resources/image-specified-as-video.osb

diff --git a/osu.Game.Tests/Beatmaps/Formats/LegacyStoryboardDecoderTest.cs b/osu.Game.Tests/Beatmaps/Formats/LegacyStoryboardDecoderTest.cs
index 577ae3fe95..3a776ac225 100644
--- a/osu.Game.Tests/Beatmaps/Formats/LegacyStoryboardDecoderTest.cs
+++ b/osu.Game.Tests/Beatmaps/Formats/LegacyStoryboardDecoderTest.cs
@@ -169,6 +169,21 @@ namespace osu.Game.Tests.Beatmaps.Formats
             }
         }
 
+        [Test]
+        public void TestDecodeImageSpecifiedAsVideo()
+        {
+            var decoder = new LegacyStoryboardDecoder();
+
+            using (var resStream = TestResources.OpenResource("image-specified-as-video.osb"))
+            using (var stream = new LineBufferedReader(resStream))
+            {
+                var storyboard = decoder.Decode(stream);
+
+                StoryboardLayer foreground = storyboard.Layers.Single(l => l.Name == "Video");
+                Assert.That(foreground.Elements.Count, Is.Zero);
+            }
+        }
+
         [Test]
         public void TestDecodeOutOfRangeLoopAnimationType()
         {
diff --git a/osu.Game.Tests/Resources/image-specified-as-video.osb b/osu.Game.Tests/Resources/image-specified-as-video.osb
new file mode 100644
index 0000000000..9cea7dd4e7
--- /dev/null
+++ b/osu.Game.Tests/Resources/image-specified-as-video.osb
@@ -0,0 +1,4 @@
+osu file format v14
+
+[Events]
+Video,0,"BG.jpg",0,0