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3caa28dc50
gmtime_r/localtime_r are mostly used in combination with strftime to format timestamps in libvirt. This can all be replaced with GDateTime resulting in simpler code that is also more portable. There is some boundary condition problem in parsing POSIX timezone offsets in GLib which tickles our test suite. The test suite is hacked to avoid the problem. The upsteam GLib bug report is https://gitlab.gnome.org/GNOME/glib/issues/1999 Reviewed-by: Pavel Hrdina <phrdina@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
223 lines
6.7 KiB
C
223 lines
6.7 KiB
C
/*
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* Copyright (C) 2011, 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <signal.h>
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#include "testutils.h"
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#include "virerror.h"
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#include "viralloc.h"
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#include "virlog.h"
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#include "virtime.h"
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#define VIR_FROM_THIS VIR_FROM_RPC
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VIR_LOG_INIT("tests.timetest");
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struct testTimeFieldsData {
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unsigned long long when;
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struct tm fields;
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};
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static int testTimeFields(const void *args)
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{
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const struct testTimeFieldsData *data = args;
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struct tm actual;
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virTimeFieldsThen(data->when, &actual);
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#define COMPARE(field) \
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do { \
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if (data->fields.field != actual.field) { \
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VIR_DEBUG("Expect " #field " %d got %d", \
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data->fields.field, actual.field); \
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return -1; \
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} \
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} while (0)
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/* tm_year value 0 is based off epoch 1900 */
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actual.tm_year += 1900;
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/* tm_mon is range 0-11, but we want 1-12 */
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actual.tm_mon += 1;
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COMPARE(tm_year);
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COMPARE(tm_mon);
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COMPARE(tm_mday);
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COMPARE(tm_hour);
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COMPARE(tm_min);
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COMPARE(tm_sec);
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return 0;
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}
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typedef struct {
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const char *zone;
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long offset;
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} testTimeLocalOffsetData;
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static int
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testTimeLocalOffset(const void *args)
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{
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const testTimeLocalOffsetData *data = args;
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long actual;
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if (g_setenv("TZ", data->zone, TRUE) == FALSE) {
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perror("g_setenv");
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return -1;
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}
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tzset();
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if (virTimeLocalOffsetFromUTC(&actual) < 0)
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return -1;
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if (data->offset != actual) {
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VIR_DEBUG("Expect Offset %ld got %ld",
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data->offset, actual);
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return -1;
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}
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return 0;
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}
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/* return true if the date is Jan 1 or Dec 31 (localtime) */
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static bool
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isNearYearEnd(void)
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{
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g_autoptr(GDateTime) now = g_date_time_new_now_local();
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return ((g_date_time_get_month(now) == 1 &&
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g_date_time_get_day_of_month(now) == 1) ||
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(g_date_time_get_month(now) == 12 &&
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g_date_time_get_day_of_month(now) == 31));
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}
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static int
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mymain(void)
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{
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int ret = 0;
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signal(SIGPIPE, SIG_IGN);
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#define TEST_FIELDS(ts, year, mon, day, hour, min, sec) \
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do { \
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struct testTimeFieldsData data = { \
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.when = ts, \
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.fields = { \
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.tm_year = year, \
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.tm_mon = mon, \
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.tm_mday = day, \
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.tm_hour = hour, \
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.tm_min = min, \
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.tm_sec = sec, \
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.tm_wday = 0, \
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.tm_yday = 0, \
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.tm_isdst = 0, \
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}, \
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}; \
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if (virTestRun("Test fields " #ts " " #year " ", testTimeFields, &data) < 0) \
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ret = -1; \
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} while (0)
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TEST_FIELDS(0ull, 1970, 1, 1, 0, 0, 0);
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TEST_FIELDS(5000ull, 1970, 1, 1, 0, 0, 5);
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TEST_FIELDS(3605000ull, 1970, 1, 1, 1, 0, 5);
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TEST_FIELDS(86405000ull, 1970, 1, 2, 0, 0, 5);
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TEST_FIELDS(31536000000ull, 1971, 1, 1, 0, 0, 0);
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TEST_FIELDS(30866399000ull, 1970, 12, 24, 5, 59, 59);
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TEST_FIELDS(123465599000ull, 1973, 11, 29, 23, 59, 59);
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TEST_FIELDS(155001599000ull, 1974, 11, 29, 23, 59, 59);
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TEST_FIELDS(186537599000ull, 1975, 11, 29, 23, 59, 59);
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TEST_FIELDS(344390399000ull, 1980, 11, 29, 23, 59, 59);
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TEST_FIELDS(1203161493000ull, 2008, 2, 16, 11, 31, 33);
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TEST_FIELDS(1234567890000ull, 2009, 2, 13, 23, 31, 30);
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TEST_FIELDS(1322524800000ull, 2011, 11, 29, 0, 0, 0);
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TEST_FIELDS(1322611199000ull, 2011, 11, 29, 23, 59, 59);
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TEST_FIELDS(2147483648000ull, 2038, 1, 19, 3, 14, 8);
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#define TEST_LOCALOFFSET(tz, off) \
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do { \
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testTimeLocalOffsetData data = { \
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.zone = tz, \
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.offset = off, \
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}; \
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if (virTestRun("Test localtime offset for " #tz, \
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testTimeLocalOffset, &data) < 0) \
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ret = -1; \
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} while (0)
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TEST_LOCALOFFSET("VIR00:30", -30 * 60);
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TEST_LOCALOFFSET("VIR01:30", -90 * 60);
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TEST_LOCALOFFSET("VIR05:00", (-5 * 60) * 60);
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TEST_LOCALOFFSET("UTC", 0);
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TEST_LOCALOFFSET("VIR-00:30", 30 * 60);
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TEST_LOCALOFFSET("VIR-01:30", 90 * 60);
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/* test DST processing with timezones that always
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* have DST in effect; what's more, cover a zone with
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* with an unusual DST different than a usual one hour
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*
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* These tests originally used '0' as the first day,
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* but changed to '1' due to GLib GTimeZone parsing bug:
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* https://gitlab.gnome.org/GNOME/glib/issues/1999
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*
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* Once we depend on a new enough GLib, we can put then
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* back to 0 again.
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*/
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TEST_LOCALOFFSET("VIR-00:30VID,1/00:00:00,364/23:59:59",
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((1 * 60) + 30) * 60);
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TEST_LOCALOFFSET("VIR-02:30VID,1/00:00:00,364/23:59:59",
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((3 * 60) + 30) * 60);
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TEST_LOCALOFFSET("VIR-02:30VID-04:30,1/00:00:00,364/23:59:59",
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((4 * 60) + 30) * 60);
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TEST_LOCALOFFSET("VIR-12:00VID-13:00,1/00:00:00,364/23:59:59",
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((13 * 60) + 0) * 60);
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if (!isNearYearEnd()) {
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/* experiments have shown that the following tests will fail
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* during certain hours of Dec 31 or Jan 1 (depending on the
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* TZ setting in the shell running the test, but in general
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* for a period that apparently starts at 00:00:00 UTC Jan 1
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* and continues for 1 - 2 hours). We've determined this is
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* due to our inability to specify a timezone with DST on/off
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* settings that make it truly *always* on DST - i.e. it is a
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* failing of the test data, *not* of the function we are
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* testing. So to test as much as possible, we still run these
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* tests, except on Dec 31 and Jan 1.
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*/
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TEST_LOCALOFFSET("VIR02:45VID00:45,1/00:00:00,364/23:59:59",
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-45 * 60);
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TEST_LOCALOFFSET("VIR05:00VID04:00,1/00:00:00,364/23:59:59",
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((-4 * 60) + 0) * 60);
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TEST_LOCALOFFSET("VIR11:00VID10:00,1/00:00:00,364/23:59:59",
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((-10 * 60) + 0) * 60);
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}
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIR_TEST_MAIN(mymain)
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