From 3d6eafe32ed498784dba2b9782bbf7df47ebeb6b Mon Sep 17 00:00:00 2001
From: Miles Georgi <azimux@gmail.com>
Date: Sun, 11 Dec 2011 12:59:59 -0800
Subject: [PATCH] Overrode Hash#nested_under_indifferent_access in
 HashWithIndifferentAccess to return self.

---
 .../lib/active_support/hash_with_indifferent_access.rb        | 4 ++++
 activesupport/test/core_ext/hash_ext_test.rb                  | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb
index 636f019cd5..674e4acfd6 100644
--- a/activesupport/lib/active_support/hash_with_indifferent_access.rb
+++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb
@@ -16,6 +16,10 @@ module ActiveSupport
       dup
     end
 
+    def nested_under_indifferent_access
+      self
+    end
+
     def initialize(constructor = {})
       if constructor.is_a?(Hash)
         super()
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index fa800eada2..eb8ed761da 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -121,6 +121,9 @@ class HashExtTest < Test::Unit::TestCase
 
     foo = { "foo" => NonIndifferentHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
     assert_kind_of NonIndifferentHash, foo["foo"]
+
+    foo = { "foo" => IndifferentHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
+    assert_kind_of IndifferentHash, foo["foo"]
   end
 
   def test_indifferent_assorted