xref: /llvm-project/libcxx/test/std/input.output/file.streams/fstreams/ofstream.assign/move_assign.pass.cpp (revision 7853371146d1f40513d5dfe5bc6b3f958cda97af)
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 // <fstream>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_ofstream
13 
14 // basic_ofstream& operator=(basic_ofstream&& rhs);
15 
16 #include <fstream>
17 #include <cassert>
18 #include "test_macros.h"
19 #include "platform_support.h"
20 
main(int,char **)21 int main(int, char**)
22 {
23     std::string temp = get_temp_file_name();
24     {
25         std::ofstream fso(temp.c_str());
26         std::ofstream fs;
27         fs = std::move(fso);
28         fs << 3.25;
29     }
30     {
31         std::ifstream fs(temp.c_str());
32         double x = 0;
33         fs >> x;
34         assert(x == 3.25);
35     }
36     std::remove(temp.c_str());
37 
38 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
39     {
40         std::wofstream fso(temp.c_str());
41         std::wofstream fs;
42         fs = std::move(fso);
43         fs << 3.25;
44     }
45     {
46         std::wifstream fs(temp.c_str());
47         double x = 0;
48         fs >> x;
49         assert(x == 3.25);
50     }
51     std::remove(temp.c_str());
52 #endif
53 
54   return 0;
55 }
56