4 files changed, 37 insertions, 1 deletions
diff --git a/activerecord/test/cases/inheritance_test.rb b/activerecord/test/cases/inheritance_test.rb
index fab858e09c..54c9152c06 100644
--- a/activerecord/test/cases/inheritance_test.rb
+++ b/activerecord/test/cases/inheritance_test.rb
@@ -2,9 +2,10 @@ require "cases/helper"
 require 'models/company'
 require 'models/project'
 require 'models/subscriber'
+require 'models/vegetables'
 
 class InheritanceTest < ActiveRecord::TestCase
-  fixtures :companies, :projects, :subscribers, :accounts
+  fixtures :companies, :projects, :subscribers, :accounts, :vegetables
 
   def test_class_with_store_full_sti_class_returns_full_name
     old = ActiveRecord::Base.store_full_sti_class
@@ -98,6 +99,13 @@ class InheritanceTest < ActiveRecord::TestCase
     switch_to_default_inheritance_column
   end
 
+  def test_alt_becomes_works_with_sti
+    vegetable = Vegetable.find(1)
+    assert_kind_of Vegetable, vegetable
+    cabbage = vegetable.becomes(Cabbage)
+    assert_kind_of Cabbage, cabbage
+  end
+
   def test_inheritance_find_all
     companies = Company.find(:all, :order => 'id')
     assert_kind_of Firm, companies[0], "37signals should be a firm"
diff --git a/activerecord/test/fixtures/vegetables.yml b/activerecord/test/fixtures/vegetables.yml
new file mode 100644
index 0000000000..82bd607701
--- /dev/null
+++ b/activerecord/test/fixtures/vegetables.yml
@@ -0,0 +1,9 @@
+first_cucumber:
+  id: 1
+  custom_type: Cucumber
+  name: 'my cucumber'
+
+first_cabbage:
+  id: 2
+  custom_type: Cabbage
+  name: 'my cabbage'
+\ No newline at end of file
diff --git a/activerecord/test/models/vegetables.rb b/activerecord/test/models/vegetables.rb
new file mode 100644
index 0000000000..59cedfd9f5
--- /dev/null
+++ b/activerecord/test/models/vegetables.rb
@@ -0,0 +1,14 @@
+class Vegetable < ActiveRecord::Base
+
+  validates_presence_of :name
+
+  def self.inheritance_column
+    'custom_type'
+  end
+end
+
+class Cucumber < Vegetable
+end
+
+class Cabbage < Vegetable
+end
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index b3ae2abbc4..b8150c50b9 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -179,6 +179,11 @@ ActiveRecord::Schema.define do
 
   add_index :companies, [:firm_id, :type, :rating, :ruby_type], :name => "company_index"
 
+  create_table :vegetables, :force => true do |t|
+    t.string :name
+    t.string :custom_type
+  end
+
   create_table :computers, :force => true do |t|
     t.integer :developer, :null => false
     t.integer :extendedWarranty, :null => false