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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 | { | |
38 | bool test __attribute__((unused)) = true; | |
39 | using time_type = std::experimental::filesystem::file_time_type; | |
40 | ||
41 | auto p = __gnu_test::nonexistent_path(); | |
42 | std::error_code ec; | |
43 | time_type mtime = last_write_time(p, ec); | |
44 | VERIFY( ec ); | |
45 | VERIFY( ec == std::make_error_code(std::errc::no_such_file_or_directory) ); | |
46 | #if __cpp_exceptions | |
47 | bool caught = false; | |
48 | try { | |
49 | mtime = last_write_time(p); | |
50 | } catch (std::system_error const& e) { | |
51 | caught = true; | |
52 | ec = e.code(); | |
53 | } | |
54 | VERIFY( caught ); | |
55 | VERIFY( ec ); | |
56 | VERIFY( ec == std::make_error_code(std::errc::no_such_file_or_directory) ); | |
57 | #endif | |
58 | ||
59 | __gnu_test::scoped_file file(p); | |
60 | VERIFY( exists(p) ); | |
61 | mtime = last_write_time(p, ec); | |
62 | VERIFY( !ec ); | |
63 | VERIFY( mtime <= time_type::clock::now() ); | |
64 | VERIFY( mtime == last_write_time(p) ); | |
65 | ||
66 | auto end_of_time = time_type::duration::max(); | |
67 | auto last_second | |
68 | = std::chrono::duration_cast<std::chrono::seconds>(end_of_time).count(); | |
69 | if (last_second > std::numeric_limits<std::time_t>::max()) | |
70 | return; // can't test overflow | |
71 | ||
72 | #if _GLIBCXX_USE_UTIMENSAT | |
73 | struct ::timespec ts[2]; | |
74 | ts[0].tv_sec = 0; | |
75 | ts[0].tv_nsec = UTIME_NOW; | |
76 | ts[1].tv_sec = std::numeric_limits<std::time_t>::max() - 1; | |
77 | ts[1].tv_nsec = 0; | |
78 | VERIFY( !::utimensat(AT_FDCWD, p.c_str(), ts, 0) ); | |
79 | #elif _GLIBCXX_HAVE_UTIME_H | |
80 | ::utimbuf times; | |
81 | times.modtime = std::numeric_limits<std::time_t>::max() - 1; | |
82 | times.actime = std::numeric_limits<std::time_t>::max() - 1; | |
83 | VERIFY( !::utime(p.c_str(), ×) ); | |
84 | #else | |
85 | return; | |
86 | #endif | |
87 | ||
88 | mtime = last_write_time(p, ec); | |
89 | VERIFY( ec ); | |
90 | VERIFY( ec == std::make_error_code(std::errc::value_too_large) ); | |
91 | VERIFY( mtime == time_type::min() ); | |
92 | ||
93 | #if __cpp_exceptions | |
94 | caught = false; | |
95 | try { | |
96 | mtime = last_write_time(p); | |
97 | } catch (std::system_error const& e) { | |
98 | caught = true; | |
99 | ec = e.code(); | |
100 | } | |
101 | VERIFY( caught ); | |
102 | VERIFY( ec ); | |
103 | VERIFY( ec == std::make_error_code(std::errc::value_too_large) ); | |
104 | #endif | |
105 | } | |
106 | ||
107 | int | |
108 | main() | |
109 | { | |
110 | test01(); | |
111 | } |