1 files changed, 14 insertions, 0 deletions
diff --git a/spec/ruby/core/time/fixtures/classes.rb b/spec/ruby/core/time/fixtures/classes.rb
index 328f9160f6..d89e4911c8 100644
--- a/spec/ruby/core/time/fixtures/classes.rb
+++ b/spec/ruby/core/time/fixtures/classes.rb
@@ -9,4 +9,18 @@ module TimeSpecs
     end
   end
 
+  Timezone = Struct.new(:name, :abbr, :offset)
+  class Timezone
+    def utc_offset(t = nil)
+      offset
+    end
+
+    def local_to_utc(t)
+      t - utc_offset(t)
+    end
+
+    def utc_to_local(t)
+      t + utc_offset(t)
+    end
+  end
 end