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227 lines
8.0 KiB
C
227 lines
8.0 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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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include <config.h>
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#include <stdlib.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 (setenv("TZ", data->zone, 1) < 0) {
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perror("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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time_t current = time(NULL);
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struct tm timeinfo;
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if (current == (time_t)-1) {
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VIR_DEBUG("time() failed");
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return false;
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}
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if (!localtime_r(¤t, &timeinfo)) {
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VIR_DEBUG("localtime_r() failed");
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return false;
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}
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return (timeinfo.tm_mon == 0 && timeinfo.tm_mday == 1) ||
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(timeinfo.tm_mon == 11 && timeinfo.tm_mday == 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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TEST_LOCALOFFSET("VIR-00:30VID,0/00:00:00,365/23:59:59",
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((1 * 60) + 30) * 60);
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TEST_LOCALOFFSET("VIR-02:30VID,0/00:00:00,365/23:59:59",
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((3 * 60) + 30) * 60);
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TEST_LOCALOFFSET("VIR-02:30VID-04:30,0/00:00:00,365/23:59:59",
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((4 * 60) + 30) * 60);
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TEST_LOCALOFFSET("VIR-12:00VID-13:00,0/00:00:00,365/23:59:59",
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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("VIR02:45VID00:45,0/00:00:00,365/23:59:59",
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-45 * 60);
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TEST_LOCALOFFSET("VIR05:00VID04:00,0/00:00:00,365/23:59:59",
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((-4 * 60) + 0) * 60);
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TEST_LOCALOFFSET("VIR11:00VID10:00,0/00:00:00,365/23:59:59",
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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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VIRT_TEST_MAIN(mymain)
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