X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Ftest-futimens.h;h=97c7acddcbabeba29cdf8bac61df77a7125331dc;hb=9ce199fbdfdab7ea619959741e0dba0dc5ca9146;hp=03358451503da590db5a36a01ab33dfddf1107a3;hpb=30dc6636ece9d1dbf8714f00c9758874733445a6;p=gnulib.git diff --git a/tests/test-futimens.h b/tests/test-futimens.h index 033584515..97c7acddc 100644 --- a/tests/test-futimens.h +++ b/tests/test-futimens.h @@ -1,9 +1,9 @@ /* Test of file timestamp modification functions. - Copyright (C) 2009 Free Software Foundation, Inc. + Copyright (C) 2009, 2010 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, @@ -14,41 +14,12 @@ 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 gl_futimens(a,NULL,b) and - futimens(a,b). FUNC is the function to test. If PRINT, warn - before skipping tests with status 77. */ +/* This file is designed to test both gl_futimens(a,NULL,b) and + futimens(a,b). 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_futimens (int (*func) (int, struct timespec const *), bool print) @@ -60,6 +31,8 @@ test_futimens (int (*func) (int, struct timespec const *), ASSERT (0 <= fd); /* Sanity check. */ + ASSERT (fstat (fd, &st1) == 0); + nap (); errno = 0; result = func (fd, NULL); if (result == -1 && errno == ENOSYS) @@ -73,7 +46,32 @@ test_futimens (int (*func) (int, struct timespec const *), return 77; } ASSERT (!result); - ASSERT (fstat (fd, &st1) == 0); + ASSERT (fstat (fd, &st2) == 0); + /* If utimens truncates to less resolution than the file system + supports, then time can appear to go backwards between now and a + follow-up utimens with UTIME_NOW or a NULL timespec. Use + UTIMECMP_TRUNCATE_SOURCE to compensate, with st1 as the + source. */ + ASSERT (0 <= utimecmp (BASE "file", &st2, &st1, UTIMECMP_TRUNCATE_SOURCE)); + if (check_ctime) + ASSERT (st1.st_ctime < st2.st_ctime + || (st1.st_ctime == st2.st_ctime + && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2))); + { + /* On some NFS systems, the 'now' timestamp of creat or a NULL + timespec is determined by the server, but the 'now' timestamp + determined by gettime() (as is done when using UTIME_NOW) is + determined by the client; since the two machines are not + necessarily on the same clock, this is another case where time + can appear to go backwards. The rest of this test cares about + client time, so manually use gettime() to set both times. */ + struct timespec ts[2]; + gettime (&ts[0]); + ts[1] = ts[0]; + ASSERT (func (fd, ts) == 0); + ASSERT (fstat (fd, &st1) == 0); + nap (); + } /* Invalid arguments. */ errno = 0; @@ -107,17 +105,40 @@ test_futimens (int (*func) (int, struct timespec const *), ASSERT (st2.st_mtime == Y2K); ASSERT (0 <= get_stat_mtime_ns (&st2)); ASSERT (get_stat_mtime_ns (&st2) < BILLION); + if (check_ctime) + ASSERT (st1.st_ctime < st2.st_ctime + || (st1.st_ctime == st2.st_ctime + && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2))); } /* Play with UTIME_OMIT, UTIME_NOW. */ { + struct stat st3; struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } }; + nap (); + ASSERT (func (fd, ts) == 0); + ASSERT (fstat (fd, &st3) == 0); + ASSERT (st3.st_atime == Y2K); + ASSERT (0 <= get_stat_atime_ns (&st3)); + ASSERT (get_stat_atime_ns (&st3) <= BILLION / 2); + ASSERT (utimecmp (BASE "file", &st1, &st3, 0) <= 0); + if (check_ctime) + ASSERT (st2.st_ctime < st3.st_ctime + || (st2.st_ctime == st3.st_ctime + && get_stat_ctime_ns (&st2) < get_stat_ctime_ns (&st3))); + nap (); + ts[0].tv_nsec = 0; + ts[1].tv_nsec = UTIME_OMIT; ASSERT (func (fd, ts) == 0); ASSERT (fstat (fd, &st2) == 0); - ASSERT (st2.st_atime == Y2K); - ASSERT (0 <= get_stat_atime_ns (&st2)); - ASSERT (get_stat_atime_ns (&st2) <= BILLION / 2); - ASSERT (utimecmp (BASE "file", &st1, &st2, 0) <= 0); + 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 (st3.st_ctime < st2.st_ctime + || (st3.st_ctime == st2.st_ctime + && get_stat_ctime_ns (&st3) < get_stat_ctime_ns (&st2))); } /* Cleanup. */