1 files changed, 6 insertions, 1 deletions
diff --git a/spec/ruby/core/enumerable/fixtures/classes.rb b/spec/ruby/core/enumerable/fixtures/classes.rb
index 5051196742..b5feafcfb7 100644
--- a/spec/ruby/core/enumerable/fixtures/classes.rb
+++ b/spec/ruby/core/enumerable/fixtures/classes.rb
@@ -38,12 +38,14 @@ module EnumerableSpecs
   class Empty
     include Enumerable
     def each
+      self
     end
   end
 
   class EmptyWithSize
     include Enumerable
     def each
+      self
     end
     def size
       0
@@ -251,7 +253,7 @@ module EnumerableSpecs
     end
   end
 
-  class ComparableWithFixnum
+  class ComparableWithInteger
     include Comparable
     def initialize(num)
       @num = num
@@ -342,4 +344,7 @@ module EnumerableSpecs
       @block.call(*args)
     end
   end
+
+  class SetSubclass < Set
+  end
 end # EnumerableSpecs utility classes