1 files changed, 17 insertions, 0 deletions
diff --git a/spec/ruby/core/unboundmethod/fixtures/classes.rb b/spec/ruby/core/unboundmethod/fixtures/classes.rb
index 28d8e0a965..58120c2f88 100644
--- a/spec/ruby/core/unboundmethod/fixtures/classes.rb
+++ b/spec/ruby/core/unboundmethod/fixtures/classes.rb
@@ -36,6 +36,7 @@ module UnboundMethodSpecs
 
     alias bar foo
     alias baz bar
+    alias qux baz
     alias alias_1 foo
     alias alias_2 foo
 
@@ -80,6 +81,22 @@ module UnboundMethodSpecs
     end
   end
 
+  module Mixin
+    def mixin_method; end
+  end
+
+  class IncluderBase
+    include Mixin
+  end
+
+  class IncluderChild < IncluderBase; end
+
+  class ExtenderBase
+    extend Mixin
+  end
+
+  class ExtenderChild < ExtenderBase; end
+
   class A
     def baz(a, b)
       return [__FILE__, self.class]