Rename ForbiddenAttributes exception to ForbiddenAttributesError

activemodel/lib/active_model/forbidden_attributes_protection.rb

@@ -1,11 +1,11 @@
 module ActiveModel
-  class ForbiddenAttributes < StandardError
+  class ForbiddenAttributesError < StandardError
   end
 
   module ForbiddenAttributesProtection
     def sanitize_for_mass_assignment(attributes, options = {})
       if attributes.respond_to?(:permitted?) && !attributes.permitted?
-        raise ActiveModel::ForbiddenAttributes
+        raise ActiveModel::ForbiddenAttributesError
       else
         attributes
       end

activemodel/test/cases/forbidden_attributes_protection_test.rb

@@ -20,7 +20,7 @@ end
 class ActiveModelMassUpdateProtectionTest < ActiveSupport::TestCase
   test "forbidden attributes cannot be used for mass updating" do
     params = ProtectedParams.new({ "a" => "b" })
-    assert_raises(ActiveModel::ForbiddenAttributes) do
+    assert_raises(ActiveModel::ForbiddenAttributesError) do
       Account.new.sanitize_for_mass_assignment(params)
     end
   end

activerecord/lib/active_record/attribute_assignment.rb

@@ -7,7 +7,7 @@ module ActiveRecord
     # matching the attribute names (which again matches the column names).
     #
     # If the passed hash responds to permitted? method and the return value
-    # of this method is false an ActiveModel::ForbiddenAttributes exception
+    # of this method is false an ActiveModel::ForbiddenAttributesError exception
     # is raised.
     def attributes=(new_attributes)
       return unless new_attributes.is_a?(Hash)

activerecord/test/cases/forbidden_attributes_protection_test.rb

@@ -26,7 +26,7 @@ end
 class ForbiddenAttributesProtectionTest < ActiveRecord::TestCase
   def test_forbidden_attributes_cannot_be_used_for_mass_assignment
     params = ProtectedParams.new(first_name: 'Guille', gender: 'm')
-    assert_raises(ActiveModel::ForbiddenAttributes) do
+    assert_raises(ActiveModel::ForbiddenAttributesError) do
       Person.new(params)
     end
   end