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 // UNSUPPORTED: c++98, c++03 10 11 // <fstream> 12 13 // template <class charT, class traits = char_traits<charT> > 14 // class basic_fstream 15 16 // basic_fstream& operator=(basic_fstream&& rhs); 17 18 #include <fstream> 19 #include <cassert> 20 #include "platform_support.h" 21 22 int main(int, char**) 23 { 24 std::string temp = get_temp_file_name(); 25 { 26 std::fstream fso(temp.c_str(), std::ios_base::in | std::ios_base::out 27 | std::ios_base::trunc); 28 std::fstream fs; 29 fs = move(fso); 30 double x = 0; 31 fs << 3.25; 32 fs.seekg(0); 33 fs >> x; 34 assert(x == 3.25); 35 } 36 std::remove(temp.c_str()); 37 { 38 std::wfstream fso(temp.c_str(), std::ios_base::in | std::ios_base::out 39 | std::ios_base::trunc); 40 std::wfstream fs; 41 fs = move(fso); 42 double x = 0; 43 fs << 3.25; 44 fs.seekg(0); 45 fs >> x; 46 assert(x == 3.25); 47 } 48 std::remove(temp.c_str()); 49 50 return 0; 51 } 52