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 
main(int,char **)29 int 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