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// pos_type seekpos(pos_type sp,
16// ios_base::openmode which = ios_base::in | ios_base::out);
17
18#include <strstream>
19#include <cassert>
20
21#include "test_macros.h"
22
23int main(int, char**)
24{
25 {
26 char buf[] = "0123456789";
27 std::strstreambuf sb(buf, 0);
28 assert(sb.pubseekpos(3, std::ios_base::out) == -1);
29 assert(sb.pubseekpos(3, std::ios_base::in | std::ios_base::out) == -1);
30 assert(sb.pubseekpos(3, std::ios_base::in) == 3);
31 assert(sb.sgetc() == '3');
32 }
33 {
34 char buf[] = "0123456789";
35 std::strstreambuf sb(buf, 0, buf);
36 assert(sb.pubseekpos(3, std::ios_base::in) == 3);
37 assert(sb.pubseekpos(3, std::ios_base::out | std::ios_base::in) == 3);
38 assert(sb.pubseekpos(3, std::ios_base::out) == 3);
39 assert(sb.sputc('a') == 'a');
40 assert(sb.str() == std::string("012a456789"));
41 }
42
43 return 0;
44}
45

source code of libcxx/test/std/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.virtuals/seekpos.pass.cpp