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
22int 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

source code of libcxx/test/std/iterators/stream.iterators/ostream.iterator/ostream.iterator.ops/increment.pass.cpp