use :en as a default locale (in favor of :en-US)

Signed-off-by: David Heinemeier Hansson <david@loudthinking.com>

4 files changed, 56 insertions, 56 deletions

diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb
index 219cd30f94..7fdef17a45 100644
--- a/activerecord/lib/active_record.rb
+++ b/activerecord/lib/active_record.rb
@@ -78,4 +78,4 @@ require 'active_record/connection_adapters/abstract_adapter'
 require 'active_record/schema_dumper'
 
 require 'active_record/i18n_interpolation_deprecation'
-I18n.load_path << File.dirname(__FILE__) + '/active_record/locale/en-US.yml'
+I18n.load_path << File.dirname(__FILE__) + '/active_record/locale/en.yml'
diff --git a/activerecord/lib/active_record/locale/en-US.yml b/activerecord/lib/active_record/locale/en.yml
index 421f0ebd60..7e205435f7 100644
--- a/activerecord/lib/active_record/locale/en-US.yml
+++ b/activerecord/lib/active_record/locale/en.yml
@@ -1,4 +1,4 @@
-en-US:
+en:
   activerecord:
     errors:
       # The values :model, :attribute and :value are always available for interpolation
diff --git a/activerecord/test/cases/i18n_test.rb b/activerecord/test/cases/i18n_test.rb
index ea06e377e3..b1db662eca 100644
--- a/activerecord/test/cases/i18n_test.rb
+++ b/activerecord/test/cases/i18n_test.rb
@@ -9,32 +9,32 @@ class ActiveRecordI18nTests < Test::Unit::TestCase
   end
   
   def test_translated_model_attributes
-    I18n.backend.store_translations 'en-US', :activerecord => {:attributes => {:topic => {:title => 'topic title attribute'} } }
+    I18n.backend.store_translations 'en', :activerecord => {:attributes => {:topic => {:title => 'topic title attribute'} } }
     assert_equal 'topic title attribute', Topic.human_attribute_name('title')
   end
 
   def test_translated_model_attributes_with_sti
-    I18n.backend.store_translations 'en-US', :activerecord => {:attributes => {:reply => {:title => 'reply title attribute'} } }
+    I18n.backend.store_translations 'en', :activerecord => {:attributes => {:reply => {:title => 'reply title attribute'} } }
     assert_equal 'reply title attribute', Reply.human_attribute_name('title')
   end
 
   def test_translated_model_attributes_with_sti_fallback
-    I18n.backend.store_translations 'en-US', :activerecord => {:attributes => {:topic => {:title => 'topic title attribute'} } }
+    I18n.backend.store_translations 'en', :activerecord => {:attributes => {:topic => {:title => 'topic title attribute'} } }
     assert_equal 'topic title attribute', Reply.human_attribute_name('title')
   end
 
   def test_translated_model_names
-    I18n.backend.store_translations 'en-US', :activerecord => {:models => {:topic => 'topic model'} }
+    I18n.backend.store_translations 'en', :activerecord => {:models => {:topic => 'topic model'} }
     assert_equal 'topic model', Topic.human_name
   end
 
   def test_translated_model_names_with_sti
-    I18n.backend.store_translations 'en-US', :activerecord => {:models => {:reply => 'reply model'} }
+    I18n.backend.store_translations 'en', :activerecord => {:models => {:reply => 'reply model'} }
     assert_equal 'reply model', Reply.human_name
   end
 
   def test_translated_model_names_with_sti_fallback
-    I18n.backend.store_translations 'en-US', :activerecord => {:models => {:topic => 'topic model'} }
+    I18n.backend.store_translations 'en', :activerecord => {:models => {:topic => 'topic model'} }
     assert_equal 'topic model', Reply.human_name
   end
 end
diff --git a/activerecord/test/cases/validations_i18n_test.rb b/activerecord/test/cases/validations_i18n_test.rb
index b2df98ca0a..f59e3f7001 100644
--- a/activerecord/test/cases/validations_i18n_test.rb
+++ b/activerecord/test/cases/validations_i18n_test.rb
@@ -9,7 +9,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
     @old_load_path, @old_backend = I18n.load_path, I18n.backend
     I18n.load_path.clear
     I18n.backend = I18n::Backend::Simple.new
-    I18n.backend.store_translations('en-US', :activerecord => {:errors => {:messages => {:custom => nil}}})
+    I18n.backend.store_translations('en', :activerecord => {:errors => {:messages => {:custom => nil}}})
   end
 
   def teardown
@@ -165,7 +165,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
     def test_errors_full_messages_translates_human_attribute_name_for_model_attributes
       @topic.errors.instance_variable_set :@errors, { 'title' => ['empty'] }
       I18n.expects(:translate).with(:"topic.title", :default => ['Title'], :scope => [:activerecord, :attributes], :count => 1).returns('Title')
-      @topic.errors.full_messages :locale => 'en-US'
+      @topic.errors.full_messages :locale => 'en'
     end
   end
 
@@ -429,8 +429,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_confirmation_of w/o mocha
 
   def test_validates_confirmation_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:confirmation => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:confirmation => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:confirmation => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:confirmation => 'global message'}}}
 
     Topic.validates_confirmation_of :title
     @topic.title_confirmation = 'foo'
@@ -439,7 +439,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_confirmation_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:confirmation => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:confirmation => 'global message'}}}
 
     Topic.validates_confirmation_of :title
     @topic.title_confirmation = 'foo'
@@ -450,8 +450,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_acceptance_of w/o mocha
 
   def test_validates_acceptance_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:accepted => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:accepted => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:accepted => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:accepted => 'global message'}}}
 
     Topic.validates_acceptance_of :title, :allow_nil => false
     @topic.valid?
@@ -459,7 +459,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_acceptance_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:accepted => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:accepted => 'global message'}}}
 
     Topic.validates_acceptance_of :title, :allow_nil => false
     @topic.valid?
@@ -469,8 +469,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_presence_of w/o mocha
 
   def test_validates_presence_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:blank => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:blank => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:blank => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:blank => 'global message'}}}
 
     Topic.validates_presence_of :title
     @topic.valid?
@@ -478,7 +478,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_presence_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:blank => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:blank => 'global message'}}}
 
     Topic.validates_presence_of :title
     @topic.valid?
@@ -488,8 +488,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_length_of :within w/o mocha
 
   def test_validates_length_of_within_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:too_short => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:too_short => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:too_short => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:too_short => 'global message'}}}
 
     Topic.validates_length_of :title, :within => 3..5
     @topic.valid?
@@ -497,7 +497,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_length_of_within_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:too_short => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:too_short => 'global message'}}}
 
     Topic.validates_length_of :title, :within => 3..5
     @topic.valid?
@@ -507,8 +507,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_length_of :is w/o mocha
 
   def test_validates_length_of_within_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:wrong_length => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:wrong_length => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
 
     Topic.validates_length_of :title, :is => 5
     @topic.valid?
@@ -516,7 +516,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_length_of_within_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
 
     Topic.validates_length_of :title, :is => 5
     @topic.valid?
@@ -526,8 +526,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_uniqueness_of w/o mocha
 
   def test_validates_length_of_within_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:wrong_length => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:wrong_length => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
 
     Topic.validates_length_of :title, :is => 5
     @topic.valid?
@@ -535,7 +535,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_length_of_within_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
 
     Topic.validates_length_of :title, :is => 5
     @topic.valid?
@@ -546,8 +546,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_format_of w/o mocha
 
   def test_validates_format_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:invalid => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:invalid => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
 
     Topic.validates_format_of :title, :with => /^[1-9][0-9]*$/
     @topic.valid?
@@ -555,7 +555,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_format_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
 
     Topic.validates_format_of :title, :with => /^[1-9][0-9]*$/
     @topic.valid?
@@ -565,8 +565,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_inclusion_of w/o mocha
 
   def test_validates_inclusion_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:inclusion => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:inclusion => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:inclusion => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:inclusion => 'global message'}}}
 
     Topic.validates_inclusion_of :title, :in => %w(a b c)
     @topic.valid?
@@ -574,7 +574,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_inclusion_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:inclusion => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:inclusion => 'global message'}}}
 
     Topic.validates_inclusion_of :title, :in => %w(a b c)
     @topic.valid?
@@ -584,8 +584,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_exclusion_of w/o mocha
 
   def test_validates_exclusion_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:exclusion => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:exclusion => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:exclusion => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:exclusion => 'global message'}}}
 
     Topic.validates_exclusion_of :title, :in => %w(a b c)
     @topic.title = 'a'
@@ -594,7 +594,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_exclusion_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:exclusion => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:exclusion => 'global message'}}}
 
     Topic.validates_exclusion_of :title, :in => %w(a b c)
     @topic.title = 'a'
@@ -605,8 +605,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_numericality_of without :only_integer w/o mocha
 
   def test_validates_numericality_of_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:not_a_number => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:not_a_number => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
 
     Topic.validates_numericality_of :title
     @topic.title = 'a'
@@ -615,7 +615,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_numericality_of_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true
     @topic.title = 'a'
@@ -626,8 +626,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_numericality_of with :only_integer w/o mocha
 
   def test_validates_numericality_of_only_integer_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:not_a_number => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:not_a_number => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true
     @topic.title = 'a'
@@ -636,7 +636,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_numericality_of_only_integer_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true
     @topic.title = 'a'
@@ -647,8 +647,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_numericality_of :odd w/o mocha
 
   def test_validates_numericality_of_odd_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:odd => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:odd => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:odd => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:odd => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true, :odd => true
     @topic.title = 0
@@ -657,7 +657,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_numericality_of_odd_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:odd => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:odd => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true, :odd => true
     @topic.title = 0
@@ -668,8 +668,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_numericality_of :less_than w/o mocha
 
   def test_validates_numericality_of_less_than_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:less_than => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:less_than => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:less_than => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:less_than => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true, :less_than => 0
     @topic.title = 1
@@ -678,7 +678,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_numericality_of_less_than_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:less_than => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:less_than => 'global message'}}}
 
     Topic.validates_numericality_of :title, :only_integer => true, :less_than => 0
     @topic.title = 1
@@ -690,8 +690,8 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   # validates_associated w/o mocha
 
   def test_validates_associated_finds_custom_model_key_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:replies => {:invalid => 'custom message'}}}}}}
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:replies => {:invalid => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
 
     Topic.validates_associated :replies
     replied_topic.valid?
@@ -699,7 +699,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_associated_finds_global_default_translation
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
 
     Topic.validates_associated :replies
     replied_topic.valid?
@@ -707,7 +707,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validations_with_message_symbol_must_translate
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:messages => {:custom_error => "I am a custom error"}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:custom_error => "I am a custom error"}}}
     Topic.validates_presence_of :title, :message => :custom_error
     @topic.title = nil
     @topic.valid?
@@ -715,7 +715,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_with_message_symbol_must_translate_per_attribute
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:custom_error => "I am a custom error"}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:custom_error => "I am a custom error"}}}}}}
     Topic.validates_presence_of :title, :message => :custom_error
     @topic.title = nil
     @topic.valid?
@@ -723,7 +723,7 @@ class ActiveRecordValidationsI18nTests < ActiveSupport::TestCase
   end
 
   def test_validates_with_message_symbol_must_translate_per_model
-    I18n.backend.store_translations 'en-US', :activerecord => {:errors => {:models => {:topic => {:custom_error => "I am a custom error"}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:custom_error => "I am a custom error"}}}}
     Topic.validates_presence_of :title, :message => :custom_error
     @topic.title = nil
     @topic.valid?
@@ -743,7 +743,7 @@ class ActiveRecordValidationsGenerateMessageI18nTests < Test::Unit::TestCase
   def setup
     reset_callbacks Topic
     @topic = Topic.new
-    I18n.backend.store_translations :'en-US', {
+    I18n.backend.store_translations :'en', {
       :activerecord => {
         :errors => {
           :messages => {