54 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: no-localization10 11// <random>12 13// template<class Engine, size_t k>14// class shuffle_order_engine15 16// template <class charT, class traits,17// class Engine, size_t k>18// basic_ostream<charT, traits>&19// operator<<(basic_ostream<charT, traits>& os,20// const shuffle_order_engine<Engine, k>& x);21//22// template <class charT, class traits,23// class Engine, size_t k>24// basic_istream<charT, traits>&25// operator>>(basic_istream<charT, traits>& is,26// shuffle_order_engine<Engine, k>& x);27 28#include <random>29#include <sstream>30#include <cassert>31 32#include "test_macros.h"33 34void35test1()36{37 typedef std::knuth_b E;38 E e1;39 e1.discard(100);40 std::ostringstream os;41 os << e1;42 std::istringstream is(os.str());43 E e2;44 is >> e2;45 assert(e1 == e2);46}47 48int main(int, char**)49{50 test1();51 52 return 0;53}54