UnitSystemTests: Add try-finally

Author: angularsen

UnitsNet.Tests/UnitSystemTests.cs

@@ -409,27 +409,32 @@ public void GetDefaultAbbreviationFallsBackToDefaultStringIfNotSpecified()
         [Fact]
         public void GetDefaultAbbreviationFallsBackToUsEnglishCulture()
         {
-            // CurrentCulture affects number formatting, such as comma or dot as decimal separator.
-            // CurrentUICulture affects localization, in this case the abbreviation.
-            // Zulu (South Africa)
             CultureInfo oldCurrentCulture = CultureInfo.CurrentCulture;
             CultureInfo oldCurrentUICulture = CultureInfo.CurrentUICulture;
 
-            var zuluCulture = new CultureInfo("zu-ZA");
-            UnitSystem zuluUnits = UnitSystem.GetCached(zuluCulture);
-            CultureInfo.CurrentCulture = CultureInfo.CurrentUICulture = zuluCulture;
-
-            UnitSystem usUnits = UnitSystem.GetCached(AmericanCultureName);
-            usUnits.MapUnitToAbbreviation(CustomUnit.Unit1, "US english abbreviation for Unit1");
+            try 
+            {
+                // CurrentCulture affects number formatting, such as comma or dot as decimal separator.
+                // CurrentUICulture affects localization, in this case the abbreviation.
+                // Zulu (South Africa)
+                var zuluCulture = new CultureInfo("zu-ZA");
+                UnitSystem zuluUnits = UnitSystem.GetCached(zuluCulture);
+                CultureInfo.CurrentCulture = CultureInfo.CurrentUICulture = zuluCulture;
 
-            // Act
-            string abbreviation = zuluUnits.GetDefaultAbbreviation(CustomUnit.Unit1);
+                UnitSystem usUnits = UnitSystem.GetCached(AmericanCultureName);
+                usUnits.MapUnitToAbbreviation(CustomUnit.Unit1, "US english abbreviation for Unit1");
 
-            // Assert
-            Assert.Equal("US english abbreviation for Unit1", abbreviation);
+                // Act
+                string abbreviation = zuluUnits.GetDefaultAbbreviation(CustomUnit.Unit1);
 
-            CultureInfo.CurrentCulture = oldCurrentCulture;
-            CultureInfo.CurrentUICulture = oldCurrentUICulture;
+                // Assert
+                Assert.Equal("US english abbreviation for Unit1", abbreviation);
+            }
+            finally 
+            {
+                CultureInfo.CurrentCulture = oldCurrentCulture;
+                CultureInfo.CurrentUICulture = oldCurrentUICulture;
+            }
         }
 
         [Fact]