69 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 p, size_t r>14// class discard_block_engine15 16// template <class charT, class traits,17// class Engine, size_t p, size_t r>18// basic_ostream<charT, traits>&19// operator<<(basic_ostream<charT, traits>& os,20// const discard_block_engine<Engine, p, r>& x);21//22// template <class charT, class traits,23// class Engine, size_t p, size_t r>24// basic_istream<charT, traits>&25// operator>>(basic_istream<charT, traits>& is,26// discard_block_engine<Engine, p, r>& x);27 28#include <random>29#include <sstream>30#include <cassert>31 32#include "test_macros.h"33 34void35test1()36{37 typedef std::ranlux24 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 48void49test2()50{51 typedef std::ranlux48 E;52 E e1;53 e1.discard(100);54 std::ostringstream os;55 os << e1;56 std::istringstream is(os.str());57 E e2;58 is >> e2;59 assert(e1 == e2);60}61 62int main(int, char**)63{64 test1();65 test2();66 67 return 0;68}69