1 files changed, 15 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/module_test.rb b/activesupport/test/core_ext/module_test.rb
index 9d86c84e21..bbf6dd1640 100644
--- a/activesupport/test/core_ext/module_test.rb
+++ b/activesupport/test/core_ext/module_test.rb
@@ -100,9 +100,12 @@ end
 
 module BarMethodAliaser
   def self.included(foo_class)
+    foo_class.send :include, BarMethods
     foo_class.alias_method_chain :bar, :baz
   end
+end
 
+module BarMethods
   def bar_with_baz
     bar_without_baz << '_with_baz'
   end
@@ -203,4 +206,16 @@ class MethodAliasingTest < Test::Unit::TestCase
       FooClassWithBarMethod.alias_method_chain :quux?, :baz!
     end
   end
+
+  def test_alias_method_chain_yields_target_and_punctuation
+    FooClassWithBarMethod.send(:define_method, :quux?, Proc.new { })
+    FooClassWithBarMethod.send :include, BarMethods
+    block_called = false
+    FooClassWithBarMethod.alias_method_chain :quux?, :baz do |target, punctuation|
+      block_called = true
+      assert_equal 'quux', target
+      assert_equal '?', punctuation
+    end
+    assert block_called
+  end
 end