xref: /llvm-project/libcxx/test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp (revision b9a2658a3e8bd13b0f9e7a8a440832a95b377216)
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 // <fstream>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_ofstream
13 
14 // basic_ofstream(basic_ofstream&& rhs);
15 
16 // XFAIL: FROZEN-CXX03-HEADERS-FIXME
17 
18 #include <fstream>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "platform_support.h"
23 #include "operator_hijacker.h"
24 
25 int main(int, char**)
26 {
27     std::string temp = get_temp_file_name();
28     {
29         std::ofstream fso(temp.c_str());
30         std::ofstream fs = std::move(fso);
31         fs << 3.25;
32     }
33     {
34         std::ifstream fs(temp.c_str());
35         double x = 0;
36         fs >> x;
37         assert(x == 3.25);
38     }
39     std::remove(temp.c_str());
40 
41     {
42       std::basic_ofstream<char, operator_hijacker_char_traits<char> > fso(temp.c_str());
43       std::basic_ofstream<char, operator_hijacker_char_traits<char> > fs = std::move(fso);
44       fs << "3.25";
45     }
46     {
47       std::ifstream fs(temp.c_str());
48       double x = 0;
49       fs >> x;
50       assert(x == 3.25);
51     }
52     std::remove(temp.c_str());
53 
54 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
55     {
56         std::wofstream fso(temp.c_str());
57         std::wofstream fs = std::move(fso);
58         fs << 3.25;
59     }
60     {
61         std::wifstream fs(temp.c_str());
62         double x = 0;
63         fs >> x;
64         assert(x == 3.25);
65     }
66     std::remove(temp.c_str());
67 
68     {
69       std::basic_ofstream<wchar_t, operator_hijacker_char_traits<wchar_t> > fso(temp.c_str());
70       std::basic_ofstream<wchar_t, operator_hijacker_char_traits<wchar_t> > fs = std::move(fso);
71       fs << L"3.25";
72     }
73     {
74       std::wifstream fs(temp.c_str());
75       double x = 0;
76       fs >> x;
77       assert(x == 3.25);
78     }
79     std::remove(temp.c_str());
80 #endif
81 
82   return 0;
83 }
84