# File test/unit/assertions.rb, line 172
                        def assert_same(expected, actual, message="")
                                _wrap_assertion {
                                        full_message = build_message(message, expected, expected.id, actual, actual.id) {
                                                | arg1, arg2, arg3, arg4 |
                                                "<#{arg1}:#{arg2}> expected to be equal? to\n" +
                                                "<#{arg3}:#{arg4}>"
                                        }
                                        assert_block(full_message) {
                                                actual.equal?(expected)
                                        }
                                }
                        end