1 files changed, 10 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/validations/associated.rb b/activerecord/lib/active_record/validations/associated.rb
index 47ccef31a5..b14db85167 100644
--- a/activerecord/lib/active_record/validations/associated.rb
+++ b/activerecord/lib/active_record/validations/associated.rb
@@ -2,10 +2,16 @@ module ActiveRecord
   module Validations
     class AssociatedValidator < ActiveModel::EachValidator #:nodoc:
       def validate_each(record, attribute, value)
-        if Array.wrap(value).reject {|r| r.marked_for_destruction? || r.valid?}.any?
-          record.errors.add(attribute, :invalid, options.merge(:value => value))
+        if Array(value).reject { |r| valid_object?(r) }.any?
+          record.errors.add(attribute, :invalid, options.merge(value: value))
         end
       end
+
+      private
+
+        def valid_object?(record)
+          (record.respond_to?(:marked_for_destruction?) && record.marked_for_destruction?) || record.valid?
+        end
     end
 
     module ClassMethods
@@ -24,7 +30,8 @@ module ActiveRecord
       #
       # NOTE: This validation will not fail if the association hasn't been
       # assigned. If you want to ensure that the association is both present and
-      # guaranteed to be valid, you also need to use +validates_presence_of+.
+      # guaranteed to be valid, you also need to use
+      # {validates_presence_of}[rdoc-ref:Validations::ClassMethods#validates_presence_of].
       #
       # Configuration options:
       #