# File lib/shoulda/active_record/assertions.rb, line 59
59:       def assert_bad_value(object_or_klass, attribute, value,
60:                            error_message_to_expect = nil)
61:         object = get_instance_of(object_or_klass)
62:         matcher = allow_value(value).
63:                     for(attribute).
64:                     with_message(error_message_to_expect)
65:         assert_rejects(matcher, object)
66:       end