don't throw on null stack

tocsoft · Aug 23, 2019 · 58edead · 58edead
1 parent 7c74ac9
commit 58edead
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Tocsoft.DateTimeAbstractions/Clock.cs b/src/Tocsoft.DateTimeAbstractions/Clock.cs
@@ -70,7 +70,7 @@ internal static IDisposable Pin(DateTimeProvider provider)
 
         private static void Pop()
         {
-            clockStack.Value = clockStack.Value.Pop();
+            clockStack.Value = clockStack.Value?.Pop();
         }
 
         private sealed class PopWhenDisposed : IDisposable