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// template<class charT, class traits = char_traits<charT> >
12// class istreambuf_iterator {
13// public:
14// ...
15// proxy operator++(int);
16
17// class proxy
18// {
19// public:
20// charT operator*();
21// };
22
23#include <iterator>
24#include <sstream>
25#include <cassert>
26
27#include "test_macros.h"
28
29int main(int, char**)
30{
31 {
32 std::istringstream inf("abc");
33 std::istreambuf_iterator<char> i(inf);
34 assert(*i++ == 'a');
35 }
36#ifndef TEST_HAS_NO_WIDE_CHARACTERS
37 {
38 std::wistringstream inf(L"abc");
39 std::istreambuf_iterator<wchar_t> i(inf);
40 assert(*i++ == L'a');
41 }
42#endif
43
44 return 0;
45}
46

source code of libcxx/test/std/iterators/stream.iterators/istreambuf.iterator/istreambuf.iterator_proxy/proxy.pass.cpp