X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-lutimens.h;h=9e597b6b5dac6e867c9ff2074d75da06c5b7863e;hb=b0b422614cc9fda29e9675dcc6f2a377b3d517a8;hp=18cf75fa25bef7ceb1b0faf0e2f26ab8d510fa77;hpb=2726b8f439601389d4e01839982d3a01cd51849d;p=gnulib.git diff --git a/tests/test-lutimens.h b/tests/test-lutimens.h index 18cf75fa2..9e597b6b5 100644 --- a/tests/test-lutimens.h +++ b/tests/test-lutimens.h @@ -1,9 +1,9 @@ /* Test of file timestamp modification functions. - Copyright (C) 2009 Free Software Foundation, Inc. + Copyright (C) 2009-2013 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 2 of the License, or + 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, @@ -14,51 +14,59 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ -/* This file assumes that BASE and ASSERT are already defined. */ +#include "test-utimens-common.h" -#ifndef GL_TEST_UTIMENS -# define GL_TEST_UTIMENS - -#include -#include -#include -#include - -#include "stat-time.h" -#include "timespec.h" -#include "utimecmp.h" - -enum { - BILLION = 1000 * 1000 * 1000, - - Y2K = 946684800, /* Jan 1, 2000, in seconds since epoch. */ - - /* Bogus positive and negative tv_nsec values closest to valid - range, but without colliding with UTIME_NOW or UTIME_OMIT. */ - UTIME_BOGUS_POS = BILLION + ((UTIME_NOW == BILLION || UTIME_OMIT == BILLION) - ? (1 + (UTIME_NOW == BILLION + 1) - + (UTIME_OMIT == BILLION + 1)) - : 0), - UTIME_BOGUS_NEG = -1 - ((UTIME_NOW == -1 || UTIME_OMIT == -1) - ? (1 + (UTIME_NOW == -2) + (UTIME_OMIT == -2)) - : 0) -}; - -#endif /* GL_TEST_UTIMENS */ - -/* This function is designed to test both lutimens(a,b) and +/* 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. If PRINT, warn before skipping tests with status 77. */ + 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; - if (symlink ("nowhere", BASE "link")) + /* 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); @@ -66,7 +74,16 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print) } errno = 0; result = func (BASE "link", NULL); - if (result == -1 && errno == ENOSYS) + 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) @@ -77,25 +94,17 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print) } ASSERT (!result); ASSERT (lstat (BASE "link", &st1) == 0); -#if HAVE_USLEEP - /* On Cygwin, the mere act of lstat changes symlink atime, even - though POSIX says that only readlink is allowed to do that. - Sleeping for one millisecond is enough to expose this. Platforms - without usleep either don't have symlinks, or are immune. */ - usleep (1000); -#endif + /* 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; + atime_supported = false; + ASSERT (st1.st_ctime == st2.st_ctime); + ASSERT (get_stat_ctime_ns (&st1) == get_stat_ctime_ns (&st2)); /* Invalid arguments. */ - errno = 0; - ASSERT (func ("no_such", NULL) == -1); - ASSERT (errno == ENOENT); - errno = 0; - ASSERT (func ("", NULL) == -1); - ASSERT (errno == ENOENT); { struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } }; errno = 0; @@ -119,6 +128,7 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print) /* 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) @@ -130,23 +140,66 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print) 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 == Y2K); - ASSERT (0 <= get_stat_atime_ns (&st2)); - ASSERT (get_stat_atime_ns (&st2) < BILLION / 2); + ASSERT (st2.st_atime == BILLION); + ASSERT (get_stat_atime_ns (&st2) == 0); } - ASSERT (utimecmp (BASE "link", &st1, &st2, 0) <= 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; }