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 ostreambuf_iterator
12 
13 // ostreambuf_iterator<charT,traits>&
14 //   operator=(charT c);
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     {
25         std::ostringstream outf;
26         std::ostreambuf_iterator<char> i(outf);
27         i = 'a';
28         assert(outf.str() == "a");
29         i = 'b';
30         assert(outf.str() == "ab");
31     }
32 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
33     {
34         std::wostringstream outf;
35         std::ostreambuf_iterator<wchar_t> i(outf);
36         i = L'a';
37         assert(outf.str() == L"a");
38         i = L'b';
39         assert(outf.str() == L"ab");
40     }
41 #endif
42 
43   return 0;
44 }
45