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 // <fstream> 9 10 // template <class charT, class traits = char_traits<charT> > 11 // class basic_fstream 12 13 // close(); 14 15 // Inspired by PR#38052 - std::fstream still good after closing and updating content 16 17 #include <fstream> 18 #include <cassert> 19 #include "test_macros.h" 20 #include "platform_support.h" 21 main(int,char **)22int main(int, char**) 23 { 24 std::string temp = get_temp_file_name(); 25 26 std::fstream ofs(temp, std::ios::out | std::ios::trunc); 27 ofs << "Hello, World!\n"; 28 assert( ofs.good()); 29 ofs.close(); 30 assert( ofs.good()); 31 ofs << "Hello, World!\n"; 32 assert(!ofs.good()); 33 34 std::remove(temp.c_str()); 35 36 return 0; 37 } 38