File: path.pass.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (69 lines) | stat: -rw-r--r-- 1,655 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++98, c++03, c++11, c++14

// <fstream>

// plate <class charT, class traits = char_traits<charT> >
// class basic_ofstream

// explicit basic_ofstream(const filesystem::path& s, ios_base::openmode mode = ios_base::out);

#include <fstream>
#include <filesystem>
#include <cassert>
#include "platform_support.h"

namespace fs = std::filesystem;

int main() {
  fs::path p = get_temp_file_name();
  {
    static_assert(!std::is_convertible<fs::path, std::ofstream>::value,
                  "ctor should be explicit");
    static_assert(std::is_constructible<std::ofstream, fs::path const&,
                                        std::ios_base::openmode>::value,
                  "");
  }
  {
    std::ofstream stream(p);
    stream << 3.25;
  }
  {
    std::ifstream stream(p);
    double x = 0;
    stream >> x;
    assert(x == 3.25);
  }
  {
    std::ifstream stream(p, std::ios_base::out);
    double x = 0;
    stream >> x;
    assert(x == 3.25);
  }
  std::remove(p.c_str());
  {
    std::wofstream stream(p);
    stream << 3.25;
  }
  {
    std::wifstream stream(p);
    double x = 0;
    stream >> x;
    assert(x == 3.25);
  }
  {
    std::wifstream stream(p, std::ios_base::out);
    double x = 0;
    stream >> x;
    assert(x == 3.25);
  }
  std::remove(p.c_str());
}