40 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// FILE_DEPENDENCIES: test.dat10 11// <fstream>12 13// template <class charT, class traits = char_traits<charT> >14// class basic_ifstream15 16// basic_filebuf<charT,traits>* rdbuf() const;17 18#include <fstream>19#include <cassert>20 21#include "test_macros.h"22 23int main(int, char**)24{25 {26 std::ifstream fs("test.dat");27 std::filebuf* fb = fs.rdbuf();28 assert(fb->sgetc() == 'r');29 }30#ifndef TEST_HAS_NO_WIDE_CHARACTERS31 {32 std::wifstream fs("test.dat");33 std::wfilebuf* fb = fs.rdbuf();34 assert(fb->sgetc() == L'r');35 }36#endif37 38 return 0;39}40