Object#try can't call private methods

activesupport/CHANGELOG.md

@@ -1,5 +1,7 @@
 ## Rails 4.0.0 (unreleased) ##
 
+*   `Object#try` can't call private methods . *Vasiliy Ermolovich*
+
 *   `AS::Callbacks#run_callbacks` remove `key` argument. *Francesco Rodriguez*
 
 *   `deep_dup` works more expectedly now and duplicates also values in +Hash+ instances and elements in +Array+ instances. *Alexey Gaziev*

activesupport/lib/active_support/core_ext/object/try.rb

@@ -1,5 +1,5 @@
 class Object
-  # Invokes the method identified by the symbol +method+, passing it any arguments
+  # Invokes the public method identified by the symbol +method+, passing it any arguments
   # and/or the block specified, just like the regular Ruby <tt>Object#send</tt> does.
   #
   # *Unlike* that method however, a +NoMethodError+ exception will *not* be raised
@@ -29,7 +29,7 @@ def try(*a, &b)
     if a.empty? && block_given?
       yield self
     else
-      __send__(*a, &b)
+      public_send(*a, &b)
     end
   end
 end

activesupport/test/core_ext/object_and_class_ext_test.rb

@@ -101,7 +101,7 @@ def test_nonexisting_method
     assert !@string.respond_to?(method)
     assert_raise(NoMethodError) { @string.try(method) }
   end
-  
+
   def test_nonexisting_method_with_arguments
     method = :undefined_method
     assert !@string.respond_to?(method)
@@ -138,4 +138,16 @@ def test_try_only_block_nil
     nil.try { ran = true }
     assert_equal false, ran
   end
+
+  def test_try_with_private_method
+    klass = Class.new do
+      private
+
+      def private_method
+        'private method'
+      end
+    end
+
+    assert_raise(NoMethodError) { klass.new.try(:private_method) }
+  end
 end