1 files changed, 17 insertions, 0 deletions
diff --git a/activemodel/test/cases/validations/inclusion_validation_test.rb b/activemodel/test/cases/validations/inclusion_validation_test.rb
index 678461a037..bc1b0365d2 100644
--- a/activemodel/test/cases/validations/inclusion_validation_test.rb
+++ b/activemodel/test/cases/validations/inclusion_validation_test.rb
@@ -3,6 +3,8 @@ require 'cases/helper'
 require 'cases/tests_database'
 
 require 'models/topic'
+require 'models/developer'
+require 'models/person'
 
 class InclusionValidationTest < ActiveModel::TestCase
   include ActiveModel::TestsDatabase
@@ -60,4 +62,19 @@ class InclusionValidationTest < ActiveModel::TestCase
       assert_equal "This string contains 'single' and \"double\" quotes", d.errors[:salary].last
     end
   end
+
+  def test_validates_inclusion_of_for_ruby_class
+    repair_validations(Person) do
+      Person.validates_inclusion_of :karma, :in => %w( abe monkey )
+
+      p = Person.new
+      p.karma = "Lifo"
+      assert p.invalid?
+
+      assert_equal ["is not included in the list"], p.errors[:karma]
+
+      p.karma = "monkey"
+      assert p.valid?
+    end
+  end
 end