1 files changed, 15 insertions, 1 deletions
diff --git a/activesupport/test/configurable_test.rb b/activesupport/test/configurable_test.rb
index 215a6e06b0..ef847fc557 100644
--- a/activesupport/test/configurable_test.rb
+++ b/activesupport/test/configurable_test.rb
@@ -38,7 +38,7 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
     assert_equal :bar, Parent.config.foo
   end
 
-  test "configuration accessors is not available on instance" do
+  test "configuration accessors are not available on instance" do
     instance = Parent.new
 
     assert !instance.respond_to?(:bar)
@@ -95,6 +95,20 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
         config_accessor "invalid attribute name"
       end
     end
+
+    assert_raises NameError do
+      Class.new do
+        include ActiveSupport::Configurable
+        config_accessor "invalid\nattribute"
+      end
+    end
+
+    assert_raises NameError do
+      Class.new do
+        include ActiveSupport::Configurable
+        config_accessor "invalid\n"
+      end
+    end
   end
 
   def assert_method_defined(object, method)