1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <iterator> 11 12 // class istream_iterator 13 14 // istream_iterator(const istream_iterator& x); 15 16 #include <iterator> 17 #include <sstream> 18 #include <cassert> 19 20 int main() 21 { 22 { 23 std::istream_iterator<int> io; 24 std::istream_iterator<int> i = io; 25 assert(i == std::istream_iterator<int>()); 26 } 27 { 28 std::istringstream inf(" 1 23"); 29 std::istream_iterator<int> io(inf); 30 std::istream_iterator<int> i = io; 31 assert(i != std::istream_iterator<int>()); 32 int j = 0; 33 j = *i; 34 assert(j == 1); 35 } 36 } 37
