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1 | // Copyright (C) 2016 Free Software Foundation, Inc. |
2 | // | |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-lstdc++fs" } | |
19 | // { dg-do run { target c++11 } } | |
20 | // { dg-require-filesystem-ts "" } | |
21 | ||
22 | // 15.25 Permissions [fs.op.last_write_time] | |
23 | ||
24 | #include <experimental/filesystem> | |
25 | #include <testsuite_fs.h> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
28 | #ifdef _GLIBCXX_HAVE_FCNTL_H | |
29 | # include <fcntl.h> | |
30 | #endif | |
31 | #if _GLIBCXX_HAVE_UTIME_H | |
32 | # include <utime.h> | |
33 | #endif | |
34 | ||
35 | void | |
36 | test01() | |
37 | { | |
fd5effb1 JW |
38 | using time_type = std::experimental::filesystem::file_time_type; |
39 | ||
40 | auto p = __gnu_test::nonexistent_path(); | |
41 | std::error_code ec; | |
42 | time_type mtime = last_write_time(p, ec); | |
43 | VERIFY( ec ); | |
44 | VERIFY( ec == std::make_error_code(std::errc::no_such_file_or_directory) ); | |
45 | #if __cpp_exceptions | |
46 | bool caught = false; | |
47 | try { | |
48 | mtime = last_write_time(p); | |
49 | } catch (std::system_error const& e) { | |
50 | caught = true; | |
51 | ec = e.code(); | |
52 | } | |
53 | VERIFY( caught ); | |
54 | VERIFY( ec ); | |
55 | VERIFY( ec == std::make_error_code(std::errc::no_such_file_or_directory) ); | |
56 | #endif | |
57 | ||
58 | __gnu_test::scoped_file file(p); | |
59 | VERIFY( exists(p) ); | |
60 | mtime = last_write_time(p, ec); | |
61 | VERIFY( !ec ); | |
62 | VERIFY( mtime <= time_type::clock::now() ); | |
63 | VERIFY( mtime == last_write_time(p) ); | |
64 | ||
65 | auto end_of_time = time_type::duration::max(); | |
66 | auto last_second | |
67 | = std::chrono::duration_cast<std::chrono::seconds>(end_of_time).count(); | |
68 | if (last_second > std::numeric_limits<std::time_t>::max()) | |
69 | return; // can't test overflow | |
70 | ||
71 | #if _GLIBCXX_USE_UTIMENSAT | |
72 | struct ::timespec ts[2]; | |
73 | ts[0].tv_sec = 0; | |
74 | ts[0].tv_nsec = UTIME_NOW; | |
75 | ts[1].tv_sec = std::numeric_limits<std::time_t>::max() - 1; | |
76 | ts[1].tv_nsec = 0; | |
77 | VERIFY( !::utimensat(AT_FDCWD, p.c_str(), ts, 0) ); | |
78 | #elif _GLIBCXX_HAVE_UTIME_H | |
79 | ::utimbuf times; | |
80 | times.modtime = std::numeric_limits<std::time_t>::max() - 1; | |
81 | times.actime = std::numeric_limits<std::time_t>::max() - 1; | |
82 | VERIFY( !::utime(p.c_str(), ×) ); | |
83 | #else | |
84 | return; | |
85 | #endif | |
86 | ||
87 | mtime = last_write_time(p, ec); | |
88 | VERIFY( ec ); | |
89 | VERIFY( ec == std::make_error_code(std::errc::value_too_large) ); | |
90 | VERIFY( mtime == time_type::min() ); | |
91 | ||
92 | #if __cpp_exceptions | |
93 | caught = false; | |
94 | try { | |
95 | mtime = last_write_time(p); | |
96 | } catch (std::system_error const& e) { | |
97 | caught = true; | |
98 | ec = e.code(); | |
99 | } | |
100 | VERIFY( caught ); | |
101 | VERIFY( ec ); | |
102 | VERIFY( ec == std::make_error_code(std::errc::value_too_large) ); | |
103 | #endif | |
104 | } | |
105 | ||
106 | int | |
107 | main() | |
108 | { | |
109 | test01(); | |
110 | } |