move_assign.pass.cpp revision 06d8bf6ce2008526732ae40ad46f7ff031c409e7 
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
21int 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