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 // <strstream>
10 
11 // class strstreambuf
12 
13 // void freeze(bool freezefl = true);
14 
15 #include <strstream>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     {
23         std::strstreambuf sb;
24         sb.freeze(true);
25         assert(sb.sputc('a') == EOF);
26         sb.freeze(false);
27         assert(sb.sputc('a') == 'a');
28     }
29 
30   return 0;
31 }
32