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 // UNSUPPORTED: c++98, c++03
11 
12 // <fstream>
13 
14 // template <class charT, class traits = char_traits<charT> >
15 // class basic_filebuf
16 
17 // basic_filebuf(basic_filebuf&& rhs);
18 
19 #include <fstream>
20 #include <cassert>
21 #include "platform_support.h"
22 
main()23 int main()
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(move(f));
35         assert(!f.is_open());
36         assert(f2.is_open());
37         assert(f2.sgetc() == '2');
38     }
39     std::remove(temp.c_str());
40     {
41         std::wfilebuf f;
42         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
43                                                | std::ios_base::trunc) != 0);
44         assert(f.is_open());
45         assert(f.sputn(L"123", 3) == 3);
46         f.pubseekoff(1, std::ios_base::beg);
47         assert(f.sgetc() == L'2');
48         std::wfilebuf f2(move(f));
49         assert(!f.is_open());
50         assert(f2.is_open());
51         assert(f2.sgetc() == L'2');
52     }
53     std::remove(temp.c_str());
54 }
55