1 files changed, 35 insertions, 0 deletions
diff --git a/tests/Jellyfin.Common.Tests/Extensions/StringExtensionsTests.cs b/tests/Jellyfin.Common.Tests/Extensions/StringExtensionsTests.cs
new file mode 100644
index 000000000..89e7e8fde
--- /dev/null
+++ b/tests/Jellyfin.Common.Tests/Extensions/StringExtensionsTests.cs
@@ -0,0 +1,35 @@
+using System;
+using MediaBrowser.Common.Extensions;
+using Xunit;
+
+namespace Jellyfin.Common.Tests.Extensions
+{
+    public class StringExtensionsTests
+    {
+        [Theory]
+        [InlineData("Banana split", ' ', "Banana")]
+        [InlineData("Banana split", 'q', "Banana split")]
+        public void LeftPartCharTest(string str, char needle, string result)
+        {
+            Assert.Equal(result, str.AsSpan().LeftPart(needle).ToString());
+        }
+
+        [Theory]
+        [InlineData("Banana split", " ", "Banana")]
+        [InlineData("Banana split test", " split", "Banana")]
+        public void LeftPartWithoutStringComparisonTest(string str, string needle, string result)
+        {
+            Assert.Equal(result, str.AsSpan().LeftPart(needle).ToString());
+        }
+
+        [Theory]
+        [InlineData("Banana split", " ", StringComparison.Ordinal, "Banana")]
+        [InlineData("Banana split test", " split", StringComparison.Ordinal, "Banana")]
+        [InlineData("Banana split test", " Split", StringComparison.Ordinal, "Banana split test")]
+        [InlineData("Banana split test", " Splït", StringComparison.InvariantCultureIgnoreCase, "Banana split test")]
+        public void LeftPartTest(string str, string needle, StringComparison stringComparison, string result)
+        {
+            Assert.Equal(result, str.AsSpan().LeftPart(needle, stringComparison).ToString());
+        }
+    }
+}