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_filebuf
14
15// basic_filebuf& operator=(basic_filebuf&& rhs);
16
17#include <fstream>
18#include <cassert>
19#include "platform_support.h"
20
21int main()
22{
23#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
24    std::string temp = get_temp_file_name();
25    {
26        std::filebuf f;
27        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
28                                               | std::ios_base::trunc) != 0);
29        assert(f.is_open());
30        assert(f.sputn("123", 3) == 3);
31        f.pubseekoff(1, std::ios_base::beg);
32        assert(f.sgetc() == '2');
33        std::filebuf f2;
34        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;
49        f2 = move(f);
50        assert(!f.is_open());
51        assert(f2.is_open());
52        assert(f2.sgetc() == L'2');
53    }
54    std::remove(temp.c_str());
55#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
56}
57