Merge pull request #104 from bmrfvr/main

Fix issue with expected format of language code

Author: mattjohnsonpint

src/TimeZoneNames/TZNames.cs

@@ -375,7 +375,7 @@ private static string GetLanguageKey(string languageCode, bool forDisplayNames =
             {
                 var keys = forDisplayNames ? (IEnumerable<string>) Data.DisplayNames.Keys : Data.CldrLanguageData.Keys;
                 key = keys.FirstOrDefault(x =>
-                    x.Split('_')[0].Equals(languageCode.Split('_')[0], StringComparison.OrdinalIgnoreCase));
+                    x.Split('_')[0].Equals(languageCode.Split('-')[0], StringComparison.OrdinalIgnoreCase));
 
                 if (key == null)
                 {

test/TimeZoneNames.Tests/DisplayNamesTests.cs

@@ -101,7 +101,7 @@ public void Can_Get_DisplayName_For_Every_Windows_Zone()
         var errors = new List<string>();
         foreach (var id in TZConvert.KnownWindowsTimeZoneIds)
         {
-            var displayName = TZNames.GetDisplayNameForTimeZone(id, "en");
+            var displayName = TZNames.GetDisplayNameForTimeZone(id, "en-AU");
             if (string.IsNullOrEmpty(displayName))
             {
                 errors.Add(id);