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_filebuf
15 
16 // basic_filebuf& operator=(basic_filebuf&& rhs);
17 
18 #include <fstream>
19 #include <cassert>
20 #include "test_macros.h"
21 #include "platform_support.h"
22 
23 int main(int, char**)
24 {
25     std::string temp = get_temp_file_name();
26     {
27         std::filebuf f;
28         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
29                                                | std::ios_base::trunc) != 0);
30         assert(f.is_open());
31         assert(f.sputn("123", 3) == 3);
32         f.pubseekoff(1, std::ios_base::beg);
33         assert(f.sgetc() == '2');
34         std::filebuf f2;
35         f2 = move(f);
36         assert(!f.is_open());
37         assert(f2.is_open());
38         assert(f2.sgetc() == '2');
39     }
40     std::remove(temp.c_str());
41     {
42         std::wfilebuf f;
43         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
44                                                | std::ios_base::trunc) != 0);
45         assert(f.is_open());
46         assert(f.sputn(L"123", 3) == 3);
47         f.pubseekoff(1, std::ios_base::beg);
48         assert(f.sgetc() == L'2');
49         std::wfilebuf f2;
50         f2 = move(f);
51         assert(!f.is_open());
52         assert(f2.is_open());
53         assert(f2.sgetc() == L'2');
54     }
55     std::remove(temp.c_str());
56 
57   return 0;
58 }
59