3 files changed, 32 insertions, 1 deletions
diff --git a/activerecord/test/cases/serialized_attribute_test.rb b/activerecord/test/cases/serialized_attribute_test.rb
index 6962da298e..295c7e13fa 100644
--- a/activerecord/test/cases/serialized_attribute_test.rb
+++ b/activerecord/test/cases/serialized_attribute_test.rb
@@ -1,5 +1,6 @@
-require "cases/helper"
+require 'cases/helper'
 require 'models/topic'
+require 'models/person'
 require 'bcrypt'
 
 class SerializedAttributeTest < ActiveRecord::TestCase
@@ -225,4 +226,12 @@ class SerializedAttributeTest < ActiveRecord::TestCase
   ensure
     ActiveRecord::Base.time_zone_aware_attributes = false
   end
+
+  def test_serialize_attribute_can_be_serialized_in_an_integer_column
+    insures = ['life']
+    person = SerializedPerson.new(first_name: 'David', insures: insures)
+    assert person.save
+    person = person.reload
+    assert_equal(insures, person.insures)
+  end
 end
diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index 6ad0cf6987..f9684b0bcd 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -100,3 +100,24 @@ class NestedPerson < ActiveRecord::Base
     assign_attributes({ :best_friend_attributes => { :first_name => new_name } })
   end
 end
+
+class Insure
+  INSURES = %W{life annuality}
+
+  def self.load mask
+    INSURES.select do |insure|
+      (1 << INSURES.index(insure)) & mask > 0
+    end
+  end
+
+  def self.dump insures
+    numbers = insures.map { |insure| INSURES.index(insure) }
+    numbers.inject(0) { |sum, n| sum + (1 << n) }
+  end
+end
+
+class SerializedPerson < ActiveRecord::Base
+  self.table_name = 'people'
+
+  serialize :insures, Insure
+end
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index af14bc7bd5..46219c53db 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -494,6 +494,7 @@ ActiveRecord::Schema.define do
     t.integer    :followers_count, :default => 0
     t.references :best_friend
     t.references :best_friend_of
+    t.integer    :insures, null: false, default: 0
     t.timestamps
   end