# File test/unit/assertions.rb, line 251

                        def assert_not_equal(expected, actual, message="")

                                _wrap_assertion {

                                        full_message = build_message(message, expected, actual) {

                                                | arg1, arg2 |

                                                "<#{arg1}> expected to be != to\n" +

                                                "<#{arg2}>"

                                        }

                                        assert_block(full_message) {

                                                expected != actual

                                        }

                                }

                        end