# File lib/shoulda/active_record/macros.rb, line 215
215:       def should_ensure_length_is(attribute, length, opts = {})
216:         message = get_options!([opts], :message)
217:         matcher = ensure_length_of(attribute).
218:           is_equal_to(length).
219:           with_message(message)
220: 
221:         should matcher.description do
222:           assert_accepts matcher, subject
223:         end
224:       end