Fix assert in GetRomanNumeralCharValue (#1512)

Should have been upper instead of lower. Not sure why CI didn't fail, unless it's only running tests against release?
Humanizr · May 30, 2024 · ed39e05 · ed39e05
1 parent d39cfda
commit ed39e05
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Humanizer/RomanNumeralExtensions.cs b/src/Humanizer/RomanNumeralExtensions.cs
@@ -28,7 +28,7 @@ public static class RomanNumeralExtensions
 
     static int GetRomanNumeralCharValue(char c)
     {
-        Debug.Assert(char.ToLowerInvariant(c) is 'M' or 'D' or 'C' or 'L' or 'X' or 'V' or 'I', "Invalid Roman numeral character");
+        Debug.Assert(char.ToUpperInvariant(c) is 'M' or 'D' or 'C' or 'L' or 'X' or 'V' or 'I', "Invalid Roman numeral character");
         return (c & ~0x20) switch
         {
             'M' => 1000,