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// FILE_DEPENDENCIES: test.dat
10
11// <fstream>
12
13// template <class charT, class traits = char_traits<charT> >
14// class basic_ifstream
15
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_CHARACTERS
31 {
32 std::wifstream fs("test.dat");
33 std::wfilebuf* fb = fs.rdbuf();
34 assert(fb->sgetc() == L'r');
35 }
36#endif
37
38 return 0;
39}
40

source code of libcxx/test/std/input.output/file.streams/fstreams/ifstream.members/rdbuf.pass.cpp