38 lines · cpp
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-exception6//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 test24 : 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