Fix HashWithIndifferentAccess#to_options! so it doesn't clear the options...

Fix HashWithIndifferentAccess#to_options! so it doesn't clear the options hash.  Closes #10419 [ReinH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8332 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

+* Fix HashWithIndifferentAccess#to_options! so it doesn't clear the options hash.  Closes #10419 [ReinH]
+
 *2.0.1* (December 7th, 2007)
 
 * Added Array#from and Array#to that behaves just from String#from and String#to [DHH]

activesupport/lib/active_support/core_ext/hash/indifferent_access.rb

@@ -63,6 +63,7 @@ def delete(key)
 
   def stringify_keys!; self end
   def symbolize_keys!; self end
+  def to_options!; self end
 
   # Convert to a Hash with String keys.
   def to_hash

activesupport/test/core_ext/hash_ext_test.rb

@@ -205,6 +205,14 @@ def test_stringify_and_symbolize_keys_on_indifferent_preserves_hash
     assert_equal 1, h[:first]
   end
 
+  def test_to_options_on_indifferent_preserves_hash
+    h = HashWithIndifferentAccess.new
+    h['first'] = 1
+    h.to_options!
+    assert_equal 1, h['first']
+  end
+
+
   def test_indifferent_subhashes
     h = {'user' => {'id' => 5}}.with_indifferent_access
     ['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}}