#include <sstream>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
std::istringstream ss0(" 123 456");
std::istringstream ss(std::move(ss0));
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == " 123 456");
int i = 0;
ss >> i;
assert(i == 123);
ss >> i;
assert(i == 456);
}
{
std::wistringstream ss0(L" 123 456");
std::wistringstream ss(std::move(ss0));
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L" 123 456");
int i = 0;
ss >> i;
assert(i == 123);
ss >> i;
assert(i == 456);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}