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 // <sstream>
10 
11 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
12 // class basic_stringbuf
13 
14 // explicit basic_stringbuf(const basic_string<charT,traits,Allocator>& s,
15 //                          ios_base::openmode which = ios_base::in | ios_base::out);
16 
17 #include <sstream>
18 #include <cassert>
19 
20 int main(int, char**)
21 {
22     {
23         std::stringbuf buf("testing");
24         assert(buf.str() == "testing");
25     }
26     {
27         std::stringbuf buf("testing", std::ios_base::in);
28         assert(buf.str() == "testing");
29     }
30     {
31         std::stringbuf buf("testing", std::ios_base::out);
32         assert(buf.str() == "testing");
33     }
34     {
35         std::wstringbuf buf(L"testing");
36         assert(buf.str() == L"testing");
37     }
38     {
39         std::wstringbuf buf(L"testing", std::ios_base::in);
40         assert(buf.str() == L"testing");
41     }
42     {
43         std::wstringbuf buf(L"testing", std::ios_base::out);
44         assert(buf.str() == L"testing");
45     }
46 
47   return 0;
48 }
49