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/*
* Minimal tzoffset test for Finnish locale.
*/
// Custom test because of locale specific timestamp outputs
/*---
{
"specialoptions": "test case has been written for Finnish locale",
"custom": true
}
---*/
/*===
tzo for current time is correct
1325368800000 2011-12-31T22:00:00.000Z 2012-01-01 00:00:00.000+02:00 -120
1343768400000 2012-07-31T21:00:00.000Z 2012-08-01 00:00:00.000+03:00 -180
1396141199000 2014-03-30T00:59:59.000Z 2014-03-30 02:59:59.000+02:00 -120
1396141200000 2014-03-30T01:00:00.000Z 2014-03-30 04:00:00.000+03:00 -180
1396141199000 2014-03-30T00:59:59.000Z 2014-03-30 02:59:59.000+02:00 -120
1396141200000 2014-03-30T01:00:00.000Z 2014-03-30 04:00:00.000+03:00 -180
1414281599000 2014-10-25T23:59:59.000Z 2014-10-26 02:59:59.000+03:00 -180
1414285200000 2014-10-26T01:00:00.000Z 2014-10-26 03:00:00.000+02:00 -120
===*/
/*
Rhino:
tzo for current time is correct
1325368800000 2011-12-31T22:00:00.000Z Sun Jan 01 2012 00:00:00 GMT+0200 (EET) -120
1343768400000 2012-07-31T21:00:00.000Z Wed Aug 01 2012 00:00:00 GMT+0300 (EEST) -180
1396141199000 2014-03-30T00:59:59.000Z Sun Mar 30 2014 02:59:59 GMT+0200 (EET) -120
1396141200000 2014-03-30T01:00:00.000Z Sun Mar 30 2014 04:00:00 GMT+0300 (EEST) -180
1396141199000 2014-03-30T00:59:59.000Z Sun Mar 30 2014 02:59:59 GMT+0200 (EET) -120
1396141200000 2014-03-30T01:00:00.000Z Sun Mar 30 2014 04:00:00 GMT+0300 (EEST) -180
1414281599000 2014-10-25T23:59:59.000Z Sun Oct 26 2014 02:59:59 GMT+0300 (EEST) -180
1414285200000 2014-10-26T01:00:00.000Z Sun Oct 26 2014 03:00:00 GMT+0200 (EET) -120
*/
/*
V8:
tzo for current time is correct
1325368800000 2011-12-31T22:00:00.000Z Sun Jan 01 2012 00:00:00 GMT+0200 (EET) -120
1343768400000 2012-07-31T21:00:00.000Z Wed Aug 01 2012 00:00:00 GMT+0300 (EEST) -180
1396141199000 2014-03-30T00:59:59.000Z Sun Mar 30 2014 02:59:59 GMT+0200 (EET) -120
1396141200000 2014-03-30T01:00:00.000Z Sun Mar 30 2014 04:00:00 GMT+0300 (EEST) -180
1396141199000 2014-03-30T00:59:59.000Z Sun Mar 30 2014 02:59:59 GMT+0200 (EET) -120
1396141200000 2014-03-30T01:00:00.000Z Sun Mar 30 2014 04:00:00 GMT+0300 (EEST) -180
1414281599000 2014-10-25T23:59:59.000Z Sun Oct 26 2014 02:59:59 GMT+0300 (EEST) -180
1414285200000 2014-10-26T01:00:00.000Z Sun Oct 26 2014 03:00:00 GMT+0200 (EET) -120
*/
function finnishTzoffsetBasicTest() {
var d, tzo;
function dump(d) {
print(d.getTime(), d.toISOString(), d.toString(), d.getTimezoneOffset());
}
// Current timezone offset is +02:00 or +03:00
d = new Date();
tzo = d.getTimezoneOffset();
if (tzo == -120 || tzo == -180) {
print('tzo for current time is correct');
} else {
print('tzo for current time is incorrect: ' + tzo);
}
// Jan 1 timezone offset is +02:00
d = new Date(2012, 0, 1, 0, 0, 0);
dump(d);
// Aug 1 timezone offset is +03:00
d = new Date(2012, 7, 1, 0, 0, 0);
dump(d);
// 2014-03-30 02:59:59 Finnish time is still EET (GMT+0200)
d = new Date(2014, 2, 30, 2, 59, 59);
dump(d);
d = new Date(d.getTime() + 1000);
dump(d);
// 2014-03-30 03:NN:NN Finnish time doesn't really exist, as one
// jumps from 02:59:59 (no DST) to 04:00:00 (DST) in local time:
//
// > d = new Date(Date.parse('2014-03-30T00:59:59.000Z'))
// Sun Mar 30 2014 02:59:59 GMT+0200 (EET)
// > d = new Date(d.getTime() + 1000)
// Sun Mar 30 2014 04:00:00 GMT+0300 (EEST)
//
// So, resolving times of the form 03:NN:NN is ambiguous. Rhino
// and V8 seem to favor the earlier time instant (at least in this
// case):
//
// > d = new Date(2014, 2, 30, 3, 59, 59);
// Sun Mar 30 2014 02:59:59 GMT+0200 (EET)
// > d.getTime()
// 1396141199000
//
// Duktape used to iterate for the tzoffset without arriving at a
// conclusive result, like this:
//
// [D] duk_bi_date.c:1209 (duk__get_timeval_from_dparts): tzoffset iteration, i=0, tzoff=0, tzoffnew=10800
// [D] duk_bi_date.c:1209 (duk__get_timeval_from_dparts): tzoffset iteration, i=1, tzoff=10800, tzoffnew=7200
// [D] duk_bi_date.c:1209 (duk__get_timeval_from_dparts): tzoffset iteration, i=2, tzoff=7200, tzoffnew=10800
// [D] duk_bi_date.c:1209 (duk__get_timeval_from_dparts): tzoffset iteration, i=3, tzoff=10800, tzoffnew=7200
// [D] duk_bi_date.c:1216 (duk__get_timeval_from_dparts): tzoffset iteration, tzoff=7200
//
// This was changed to favor a higher value in a two-value loop so that
// 10800 gets selected and behavior matches Rhino/V8, at least in this
// instance. Not sure if this is generically correct:
//
// [D] duk_bi_date.c:1214 (duk__get_timeval_from_dparts): tzoffset iteration, i=0, tzoff=10800, tzoffprev1=0 tzoffprev2=999999999
// [D] duk_bi_date.c:1214 (duk__get_timeval_from_dparts): tzoffset iteration, i=1, tzoff=7200, tzoffprev1=10800 tzoffprev2=0
// [D] duk_bi_date.c:1214 (duk__get_timeval_from_dparts): tzoffset iteration, i=2, tzoff=10800, tzoffprev1=7200 tzoffprev2=10800
// [D] duk_bi_date.c:1226 (duk__get_timeval_from_dparts): tzoffset iteration two-value cycle, i=2, tzoff=10800, tzoffprev1=7200, tzoffprev2=10800
// [D] duk_bi_date.c:1233 (duk__get_timeval_from_dparts): tzoffset iteration, tzoff=10800
d = new Date(2014, 2, 30, 3, 59, 59);
dump(d);
// 2014-03-30 04:00:00 Finnish time is EEST (GMT+0300)
d = new Date(2014, 2, 30, 4, 0, 0);
dump(d);
// 2014-10-26 02:59:59 Finnish time is still EEST (GMT+0300)
d = new Date(2014, 9, 26, 2, 59, 59);
dump(d);
// 2014-10-26 03:00:00 Finnish time is EET (GMT+0200)
d = new Date(2014, 9, 26, 3, 0, 0);
dump(d);
}
try {
finnishTzoffsetBasicTest();
} catch (e) {
print(e);
}