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 main(int,char **)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