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#include "misc.h"
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
void
testcase(const gchar *zone, time_t utc, long expected_ofs)
{
char envbuf[32];
long ofs;
snprintf(envbuf, sizeof(envbuf), "TZ=%s", zone);
putenv(envbuf);
tzset();
ofs = get_local_timezone_ofs(utc);
if (ofs != expected_ofs)
{
fprintf(stderr, "Timezone offset mismatch: %ld, expected %ld\n", ofs, expected_ofs);
exit(1);
}
}
int main()
{
/* 2005-10-14 21:47:37 CEST, dst enabled */
testcase("CET", 1129319257, 7200);
/* 2005-11-14 10:10:00 CET, dst disabled */
testcase("CET", 1131959400, 3600);
/* 2005-10-14 21:47:37 GMT, no DST */
testcase("GMT", 1129319257, 0);
/* 2005-11-14 10:10:00 GMT, no DST */
testcase("GMT", 1131959400, 0);
/* 2005-04-03 01:30:00 ESD, DST disabled */
testcase("US/Eastern", 1112509800, -5*3600);
/* 2005-04-03 01:59:59 ESD, DST disabled */
testcase("US/Eastern", 1112511599, -5*3600);
/* 2005-04-03 03:00:00 EDT, DST enabled */
testcase("US/Eastern", 1112511600, -4*3600);
/* 2005-04-03 03:00:01 EDT, DST enabled */
testcase("US/Eastern", 1112511601, -4*3600);
/* 2005-10-30 01:59:59 EDT, DST enabled */
testcase("US/Eastern", 1130651999, -4*3600);
/* 2005-10-30 01:00:00 EST, DST disabled */
testcase("US/Eastern", 1130652000, -5*3600);
/* Oct 31 01:59:59 2004 (EST) +1000 */
testcase("Australia/Victoria", 1099151999, 10*3600);
/* Oct 31 03:00:00 2004 (EST) +1100 */
testcase("Australia/Victoria", 1099152000, 11*3600);
/* Mar 27 02:59:59 2005 (EST) +1100 */
testcase("Australia/Victoria", 1111852799, 11*3600);
/* Mar 27 02:00:00 2005 (EST) +1000 */
testcase("Australia/Victoria", 1111852800, 10*3600);
/* Oct 2 01:59:59 2004 (NZT) +1200 */
testcase("NZ", 1128175199, 12*3600);
/* Oct 2 03:00:00 2004 (NZDT) +1300 */
testcase("NZ", 1128175200, 13*3600);
/* Mar 20 02:59:59 2005 (NZDT) +1300 */
testcase("NZ", 1111240799, 13*3600);
/* Mar 20 02:00:00 2005 (NZT) +1200 */
testcase("NZ", 1111240800, 12*3600);
return 0;
}
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