36 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// <fstream>10 11// template <class charT, class traits = char_traits<charT> >12// class basic_filebuf13 14// basic_filebuf();15 16#include <fstream>17#include <cassert>18 19#include "test_macros.h"20 21int main(int, char**)22{23 {24 std::filebuf f;25 assert(!f.is_open());26 }27#ifndef TEST_HAS_NO_WIDE_CHARACTERS28 {29 std::wfilebuf f;30 assert(!f.is_open());31 }32#endif33 34 return 0;35}36