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, c++11, c++14
11
12 // <fstream>
13
14 // plate <class charT, class traits = char_traits<charT> >
15 // class basic_ofstream
16
17 // explicit basic_ofstream(const filesystem::path& s, ios_base::openmode mode = ios_base::out);
18
19 #include <fstream>
20 #include <filesystem>
21 #include <cassert>
22 #include "platform_support.h"
23
24 namespace fs = std::filesystem;
25
main()26 int main() {
27 fs::path p = get_temp_file_name();
28 {
29 static_assert(!std::is_convertible<fs::path, std::ofstream>::value,
30 "ctor should be explicit");
31 static_assert(std::is_constructible<std::ofstream, fs::path const&,
32 std::ios_base::openmode>::value,
33 "");
34 }
35 {
36 std::ofstream stream(p);
37 stream << 3.25;
38 }
39 {
40 std::ifstream stream(p);
41 double x = 0;
42 stream >> x;
43 assert(x == 3.25);
44 }
45 {
46 std::ifstream stream(p, std::ios_base::out);
47 double x = 0;
48 stream >> x;
49 assert(x == 3.25);
50 }
51 std::remove(p.c_str());
52 {
53 std::wofstream stream(p);
54 stream << 3.25;
55 }
56 {
57 std::wifstream stream(p);
58 double x = 0;
59 stream >> x;
60 assert(x == 3.25);
61 }
62 {
63 std::wifstream stream(p, std::ios_base::out);
64 double x = 0;
65 stream >> x;
66 assert(x == 3.25);
67 }
68 std::remove(p.c_str());
69 }
70