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 strstreambuf
14 
15 // strstreambuf(const signed char* gnext_arg, streamsize n);
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         const signed char buf[] = "abcd";
26         std::strstreambuf sb(buf, sizeof(buf));
27         assert(sb.sgetc() == 'a');
28         assert(sb.snextc() == 'b');
29         assert(sb.snextc() == 'c');
30         assert(sb.snextc() == 'd');
31         assert(sb.snextc() == 0);
32         assert(sb.snextc() == EOF);
33     }
34     {
35         const signed char buf[] = "abcd";
36         std::strstreambuf sb(buf, 0);
37         assert(sb.sgetc() == 'a');
38         assert(sb.snextc() == 'b');
39         assert(sb.snextc() == 'c');
40         assert(sb.snextc() == 'd');
41         assert(sb.snextc() == EOF);
42     }
43 
44   return 0;
45 }
46