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Diffstat (limited to 'gnulib-tests/test-lutimens.h')
| -rw-r--r-- | gnulib-tests/test-lutimens.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/gnulib-tests/test-lutimens.h b/gnulib-tests/test-lutimens.h new file mode 100644 index 0000000..cd1549c --- /dev/null +++ b/gnulib-tests/test-lutimens.h @@ -0,0 +1,205 @@ +/* Test of file timestamp modification functions. + Copyright (C) 2009-2016 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include "test-utimens-common.h" + +/* This file is designed to test both lutimens(a,b) and + utimensat(AT_FDCWD,a,b,AT_SYMLINK_NOFOLLOW). FUNC is the function + to test. Assumes that BASE and ASSERT are already defined. If + PRINT, warn before skipping tests with status 77. */ +static int +test_lutimens (int (*func) (char const *, struct timespec const *), bool print) +{ + int result; + int saved_errno; + struct stat st1; + struct stat st2; + bool atime_supported = true; + + /* Non-symlinks should be handled just like utimens. */ + errno = 0; + ASSERT (func ("no_such", NULL) == -1); + ASSERT (errno == ENOENT); + errno = 0; + ASSERT (func ("no_such/", NULL) == -1); + ASSERT (errno == ENOENT || errno == ENOTDIR); + errno = 0; + ASSERT (func ("", NULL) == -1); + ASSERT (errno == ENOENT); + ASSERT (close (creat (BASE "file", 0600)) == 0); + ASSERT (stat (BASE "file", &st1) == 0); + ASSERT (st1.st_atime != Y2K); + ASSERT (st1.st_mtime != Y2K); + { + struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } }; + errno = 0; + ASSERT (func (BASE "file/", ts) == -1); + ASSERT (errno == ENOTDIR); + ASSERT (stat (BASE "file", &st2) == 0); + ASSERT (st1.st_atime == st2.st_atime); + ASSERT (st1.st_mtime == st2.st_mtime); + } + { + struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } }; + nap (); + ASSERT (func (BASE "file", ts) == 0); + } + ASSERT (stat (BASE "file", &st2) == 0); + ASSERT (st2.st_atime == Y2K); + ASSERT (st2.st_mtime == Y2K); + if (check_ctime) + ASSERT (ctime_compare (&st1, &st2) < 0); + + /* Play with symlink timestamps. */ + if (symlink (BASE "file", BASE "link")) + { + ASSERT (unlink (BASE "file") == 0); + if (print) + fputs ("skipping test: symlinks not supported on this file system\n", + stderr); + return 77; + } + errno = 0; + result = func (BASE "link", NULL); + saved_errno = errno; + /* Make sure we did not reference through link by accident. */ + ASSERT (stat (BASE "file", &st1) == 0); + ASSERT (st1.st_atime == Y2K); + ASSERT (st1.st_mtime == Y2K); + ASSERT (lstat (BASE "link", &st1) == 0); + ASSERT (st1.st_atime != Y2K); + ASSERT (st1.st_mtime != Y2K); + ASSERT (unlink (BASE "file") == 0); + if (result == -1 && saved_errno == ENOSYS) + { + ASSERT (unlink (BASE "link") == 0); + if (print) + fputs ("skipping test: " + "setting symlink time not supported on this file system\n", + stderr); + return 77; + } + ASSERT (!result); + ASSERT (lstat (BASE "link", &st1) == 0); + /* On cygwin, lstat() changes atime of symlinks, so that lutimens + can only effectively modify mtime. */ + nap (); + ASSERT (lstat (BASE "link", &st2) == 0); + if (st1.st_atime != st2.st_atime + || get_stat_atime_ns (&st1) != get_stat_atime_ns (&st2)) + atime_supported = false; + ASSERT (st1.st_ctime == st2.st_ctime); + ASSERT (get_stat_ctime_ns (&st1) == get_stat_ctime_ns (&st2)); + + /* Invalid arguments. */ + { + struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } }; + errno = 0; + ASSERT (func (BASE "link", ts) == -1); + ASSERT (errno == EINVAL); + } + { + struct timespec ts[2] = { { Y2K, 0 }, { Y2K, UTIME_BOGUS_NEG } }; + errno = 0; + ASSERT (func (BASE "link", ts) == -1); + ASSERT (errno == EINVAL); + } + ASSERT (lstat (BASE "link", &st2) == 0); + if (atime_supported) + { + ASSERT (st1.st_atime == st2.st_atime); + ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2)); + } + ASSERT (utimecmp (BASE "link", &st1, &st2, 0) == 0); + + /* Set both times. */ + { + struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } }; + nap (); + ASSERT (func (BASE "link", ts) == 0); + ASSERT (lstat (BASE "link", &st2) == 0); + if (atime_supported) + { + ASSERT (st2.st_atime == Y2K); + ASSERT (0 <= get_stat_atime_ns (&st2)); + ASSERT (get_stat_atime_ns (&st2) < BILLION / 2); + } + ASSERT (st2.st_mtime == Y2K); + ASSERT (0 <= get_stat_mtime_ns (&st2)); + ASSERT (get_stat_mtime_ns (&st2) < BILLION); + if (check_ctime) + ASSERT (ctime_compare (&st1, &st2) < 0); + } + + /* Play with UTIME_OMIT, UTIME_NOW. */ + { + struct stat st3; + struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } }; + nap (); + ASSERT (func (BASE "link", ts) == 0); + ASSERT (lstat (BASE "link", &st3) == 0); + if (atime_supported) + { + ASSERT (st3.st_atime == Y2K); + ASSERT (0 <= get_stat_atime_ns (&st3)); + ASSERT (get_stat_atime_ns (&st3) < BILLION / 2); + } + ASSERT (utimecmp (BASE "link", &st1, &st3, 0) <= 0); + if (check_ctime) + ASSERT (ctime_compare (&st2, &st3) < 0); + nap (); + ts[0].tv_nsec = 0; + ts[1].tv_nsec = UTIME_OMIT; + ASSERT (func (BASE "link", ts) == 0); + ASSERT (lstat (BASE "link", &st2) == 0); + if (atime_supported) + { + ASSERT (st2.st_atime == BILLION); + ASSERT (get_stat_atime_ns (&st2) == 0); + } + ASSERT (st3.st_mtime == st2.st_mtime); + ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2)); + if (check_ctime) + ASSERT (ctime_compare (&st3, &st2) < 0); + } + + /* Symlink to directory. */ + ASSERT (unlink (BASE "link") == 0); + ASSERT (symlink (BASE "dir", BASE "link") == 0); + ASSERT (mkdir (BASE "dir", 0700) == 0); + { + struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } }; + ASSERT (func (BASE "link/", ts) == 0); + } + /* On cygwin 1.5, stat() changes atime of directories, so only check + mtime. */ + ASSERT (stat (BASE "dir", &st1) == 0); + ASSERT (st1.st_mtime == Y2K); + ASSERT (lstat (BASE "link", &st1) == 0); + ASSERT (st1.st_atime != Y2K); + ASSERT (st1.st_mtime != Y2K); + ASSERT (func (BASE "link", NULL) == 0); + ASSERT (stat (BASE "dir", &st1) == 0); + ASSERT (st1.st_mtime == Y2K); + ASSERT (lstat (BASE "link", &st1) == 0); + ASSERT (st1.st_atime != Y2K); + ASSERT (st1.st_mtime != Y2K); + + /* Cleanup. */ + ASSERT (rmdir (BASE "dir") == 0); + ASSERT (unlink (BASE "link") == 0); + return 0; +} |