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 ostream_iterator
12 
13 // ostream_iterator& operator++();
14 // ostream_iterator& operator++(int);
15 
16 #include <iterator>
17 #include <sstream>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 
main(int,char **)22 int main(int, char**)
23 {
24     std::ostringstream os;
25     std::ostream_iterator<int> i(os);
26     std::ostream_iterator<int>& iref1 = ++i;
27     assert(&iref1 == &i);
28     std::ostream_iterator<int>& iref2 = i++;
29     assert(&iref2 == &i);
30 
31   return 0;
32 }
33