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libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.shuf/io.pass.cpp

49 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class Engine, size_t k>
// class shuffle_order_engine
// template <class charT, class traits,
// class Engine, size_t k>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os,
// const shuffle_order_engine<Engine, k>& x);
//
// template <class charT, class traits,
// class Engine, size_t k>
// basic_istream<charT, traits>&
// operator>>(basic_istream<charT, traits>& is,
// shuffle_order_engine<Engine, k>& x);
#include <random>
#include <sstream>
#include <cassert>
void
test1()
{
typedef std::knuth_b E;
E e1;
e1.discard(100);
std::ostringstream os;
os << e1;
std::istringstream is(os.str());
E e2;
is >> e2;
assert(e1 == e2);
}
int main()
{
test1();
}