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// <streambuf>
10
11// template <class charT, class traits = char_traits<charT> >
12// class basic_streambuf;
13
14// pos_type pubseekpos(pos_type sp,
15// ios_base::openmode which = ios_base::in | ios_base::out;
16
17#include <streambuf>
18#include <cassert>
19
20#include "test_macros.h"
21
22template <class CharT>
23struct test
24 : public std::basic_streambuf<CharT>
25{
26 test() {}
27};
28
29int main(int, char**)
30{
31 {
32 test<char> t;
33 assert(t.pubseekpos(0, std::ios_base::app) == -1);
34 }
35
36 return 0;
37}
38

source code of libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.buffer/pubseekpos.pass.cpp