1 files changed, 33 insertions, 0 deletions
diff --git a/tests/Jellyfin.Model.Tests/Drawing/ImageFormatExtensionsTests.cs b/tests/Jellyfin.Model.Tests/Drawing/ImageFormatExtensionsTests.cs
new file mode 100644
index 000000000..7c3a7ff6c
--- /dev/null
+++ b/tests/Jellyfin.Model.Tests/Drawing/ImageFormatExtensionsTests.cs
@@ -0,0 +1,33 @@
+using System;
+using System.ComponentModel;
+using MediaBrowser.Model.Drawing;
+using Xunit;
+
+namespace Jellyfin.Model.Drawing;
+
+public static class ImageFormatExtensionsTests
+{
+    private static TheoryData<ImageFormat> GetAllImageFormats()
+    {
+        var theoryTypes = new TheoryData<ImageFormat>();
+        foreach (var x in Enum.GetValues<ImageFormat>())
+        {
+            theoryTypes.Add(x);
+        }
+
+        return theoryTypes;
+    }
+
+    [Theory]
+    [MemberData(nameof(GetAllImageFormats))]
+    public static void GetMimeType_Valid_Valid(ImageFormat format)
+        => Assert.Null(Record.Exception(() => format.GetMimeType()));
+
+    [Theory]
+    [InlineData((ImageFormat)int.MinValue)]
+    [InlineData((ImageFormat)int.MaxValue)]
+    [InlineData((ImageFormat)(-1))]
+    [InlineData((ImageFormat)5)]
+    public static void GetMimeType_Valid_ThrowsInvalidEnumArgumentException(ImageFormat format)
+        => Assert.Throws<InvalidEnumArgumentException>(() => format.GetMimeType());
+}