1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <fstream>
11 
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_fstream
14 
15 // basic_fstream& operator=(basic_fstream&& rhs);
16 
17 #include <fstream>
18 #include <cassert>
19 #include "platform_support.h"
20 
main()21 int main()
22 {
23 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
50 }
51