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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <iterator>
10 
11 // class istream_iterator
12 
13 // istream_iterator(istream_type& s);
14 
15 #include <iterator>
16 #include <sstream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
main(int,char **)21 int main(int, char**)
22 {
23     std::istringstream inf(" 1 23");
24     std::istream_iterator<int> i(inf);
25     assert(i != std::istream_iterator<int>());
26     assert(inf.peek() == ' ');
27     assert(inf.good());
28     int j = 0;
29     inf >> j;
30     assert(j == 23);
31 
32   return 0;
33 }
34