34 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// int_type overflow(int_type c = traits::eof());15 16#include <streambuf>17#include <cassert>18 19#include "test_macros.h"20 21struct test22 : public std::basic_streambuf<char>23{24 test() {}25};26 27int main(int, char**)28{29 test t;30 assert(t.sputc('A') == -1);31 32 return 0;33}34