//===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// // <iterator> // class istream_iterator // istream_iterator(const istream_iterator& x); #include <iterator> #include <sstream> #include <cassert> int main() { { std::istream_iterator<int> io; std::istream_iterator<int> i = io; assert(i == std::istream_iterator<int>()); } { std::istringstream inf(" 1 23"); std::istream_iterator<int> io(inf); std::istream_iterator<int> i = io; assert(i != std::istream_iterator<int>()); int j = 0; j = *i; assert(j == 1); } }