Fix OrderedHash.select to return self instance.

On ruby 2.1.1 the behavior of .select and .reject has changed.
They will return a Hash new instance, so we need to override them to
keep the instance object class.

1 files changed, 4 insertions, 1 deletions

diff --git a/activesupport/test/ordered_hash_test.rb b/activesupport/test/ordered_hash_test.rb
index 0b54026c64..460a61613e 100644
--- a/activesupport/test/ordered_hash_test.rb
+++ b/activesupport/test/ordered_hash_test.rb
@@ -120,7 +120,9 @@ class OrderedHashTest < ActiveSupport::TestCase
   end
 
   def test_select
-    assert_equal @keys, @ordered_hash.select { true }.map(&:first)
+    new_ordered_hash = @ordered_hash.select { true }
+    assert_equal @keys, new_ordered_hash.map(&:first)
+    assert_instance_of ActiveSupport::OrderedHash, new_ordered_hash
   end
 
   def test_delete_if
@@ -143,6 +145,7 @@ class OrderedHashTest < ActiveSupport::TestCase
     assert_equal copy, @ordered_hash
     assert !new_ordered_hash.keys.include?('pink')
     assert @ordered_hash.keys.include?('pink')
+    assert_instance_of ActiveSupport::OrderedHash, new_ordered_hash
   end
 
   def test_clear