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 ostrstream
14
15// void freeze(bool freezefl = true);
16
17#include <strstream>
18#include <cassert>
19
20#include "test_macros.h"
21
22int main(int, char**)
23{
24 {
25 std::ostrstream out;
26 out.freeze();
27 assert(!out.fail());
28 out << 'a';
29 assert(out.fail());
30 out.clear();
31 out.freeze(false);
32 out << 'a';
33 out << char(0);
34 assert(out.str() == std::string("a"));
35 out.freeze(false);
36 }
37
38 return 0;
39}
40

source code of libcxx/test/std/depr/depr.str.strstreams/depr.ostrstream/depr.ostrstream.members/freeze.pass.cpp