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 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM
10 
11 // <strstream>
12 
13 // class strstream
14 
15 // strstreambuf* rdbuf() const;
16 
17 #include <strstream>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 
main(int,char **)22 int main(int, char**)
23 {
24     {
25         char buf[] = "123 4.5 dog";
26         const std::strstream out(buf, 0);
27         std::strstreambuf* sb = out.rdbuf();
28         assert(sb->sputc('a') == 'a');
29         assert(buf == std::string("a23 4.5 dog"));
30     }
31 
32   return 0;
33 }
34