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 // istreambuf_iterator
12 
13 // istreambuf_iterator(const proxy& p) throw();
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     {
24         std::istringstream inf("abc");
25         std::istreambuf_iterator<char> j(inf);
26         std::istreambuf_iterator<char> i = j++;
27         assert(i != std::istreambuf_iterator<char>());
28         assert(*i == 'b');
29     }
30 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
31     {
32         std::wistringstream inf(L"abc");
33         std::istreambuf_iterator<wchar_t> j(inf);
34         std::istreambuf_iterator<wchar_t> i = j++;
35         assert(i != std::istreambuf_iterator<wchar_t>());
36         assert(*i == L'b');
37     }
38 #endif
39 
40   return 0;
41 }
42