move_assign.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
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
20int main()
21{
22#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
23    {
24        std::fstream fso("test.dat", std::ios_base::in | std::ios_base::out
25                                                       | std::ios_base::trunc);
26        std::fstream fs;
27        fs = move(fso);
28        double x = 0;
29        fs << 3.25;
30        fs.seekg(0);
31        fs >> x;
32        assert(x == 3.25);
33    }
34    std::remove("test.dat");
35    {
36        std::wfstream fso("test.dat", std::ios_base::in | std::ios_base::out
37                                                        | std::ios_base::trunc);
38        std::wfstream fs;
39        fs = move(fso);
40        double x = 0;
41        fs << 3.25;
42        fs.seekg(0);
43        fs >> x;
44        assert(x == 3.25);
45    }
46    std::remove("test.dat");
47#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
48}
49