1 files changed, 15 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/class/attribute_accessor_test.rb b/activesupport/test/core_ext/class/attribute_accessor_test.rb
index 6b50f8db37..8d827f054e 100644
--- a/activesupport/test/core_ext/class/attribute_accessor_test.rb
+++ b/activesupport/test/core_ext/class/attribute_accessor_test.rb
@@ -1,7 +1,7 @@
 require 'abstract_unit'
 require 'active_support/core_ext/class/attribute_accessors'
 
-class ClassAttributeAccessorTest < Test::Unit::TestCase
+class ClassAttributeAccessorTest < ActiveSupport::TestCase
   def setup
     @class = Class.new do
       cattr_accessor :foo
@@ -42,4 +42,18 @@ class ClassAttributeAccessorTest < Test::Unit::TestCase
     assert !@object.respond_to?(:camp)
     assert !@object.respond_to?(:camp=)
   end
+
+  def test_should_raise_name_error_if_attribute_name_is_invalid
+    assert_raises NameError do
+      Class.new do
+        cattr_reader "invalid attribute name"
+      end
+    end
+
+    assert_raises NameError do
+      Class.new do
+        cattr_writer "invalid attribute name"
+      end
+    end
+  end
 end