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 // const T& operator*() const;
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     int j = 0;
26     j = *i;
27     assert(j == 1);
28     j = *i;
29     assert(j == 1);
30     ++i;
31     j = *i;
32     assert(j == 23);
33     j = *i;
34     assert(j == 23);
35 
36   return 0;
37 }
38