// |reftest| skip-if(winWidget||!this.hasOwnProperty("Intl")) -- Windows doesn't accept IANA names for the TZ env variable; Requires ICU time zone support
// bug 487897
inTimeZone("Europe/London", () => {
let dt1 = new Date(1970, Month.January, 1, 0, 0, 0, 0);
assertDateTime(dt1, "Thu Jan 01 1970 00:00:00 GMT+0100 (Greenwich Mean Time)");
assertEq(dt1.getHours(), 0);
let dt2 = new Date(1915, Month.January, 1);
assertDateTime(dt2, "Fri Jan 01 1915 00:00:00 GMT+0000 (Greenwich Mean Time)");
let dt3 = new Date(1970, Month.January, 1);
assertDateTime(dt3, "Thu Jan 01 1970 00:00:00 GMT+0100 (Greenwich Mean Time)");
});
// bug 637244
inTimeZone("Asia/Novosibirsk", () => {
let dt1 = new Date("1942-03-01T00:00:00");
assertDateTime(dt1, "Sun Mar 01 1942 00:00:00 GMT+0700 (Novosibirsk Standard Time)");
dt1.setMonth(Month.April);
assertDateTime(dt1, "Wed Apr 01 1942 00:00:00 GMT+0700 (Novosibirsk Standard Time)");
let dt2 = new Date(2010, Month.October, 31);
assertDateTime(dt2, "Sun Oct 31 2010 00:00:00 GMT+0700 (Novosibirsk Summer Time)");
dt2.setMonth(Month.November);
assertDateTime(dt2, "Wed Dec 01 2010 00:00:00 GMT+0600 (Novosibirsk Standard Time)");
let dt3 = new Date(1942, Month.April, 1);
assertDateTime(dt3, "Wed Apr 01 1942 00:00:00 GMT+0700 (Novosibirsk Standard Time)");
function getNumberOfDaysInMonth(year, month) { switch (month) { case Month.January: case Month.March: case Month.May: case Month.July: case Month.August: case Month.October: case Month.December: return 31; case Month.April: case Month.June: case Month.September: case Month.November: return 30; case Month.February: if (year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0)) return 29; return 28;
} thrownew Error(`Illegal month value: ${month}`);
}
for (let year = 1900; year <= 2142; ++year) { for (let month = Month.January; month <= Month.December; ++month) { const numDays = getNumberOfDaysInMonth(year, month); for (let day = 1; day <= numDays; ++day) {
let date = new Date(year, month, day);
assertEq(date.getMonth(), month);
}
}
}
let dt4 = new Date(1984, Month.April, 1);
assertDateTime(dt4, "Sun Apr 01 1984 01:00:00 GMT+0800 (Novosibirsk Summer Time)");
let dt5 = new Date(1984, Month.March, 1);
assertDateTime(dt5, "Thu Mar 01 1984 00:00:00 GMT+0700 (Novosibirsk Standard Time)");
let dt6 = new Date(1984, Month.April, 1);
assertEq(dt6.toUTCString(), "Sat, 31 Mar 1984 17:00:00 GMT");
assertEq(dt6.getTime(), 449600400000);
});
inTimeZone("Europe/Tallinn", () => {
let dt = new Date(2040, Month.March, 31, 20);
// bug 935909
inTimeZone("Europe/London", () => {
let dt1 = new Date(1954, Month.January, 1);
assertDateTime(dt1, "Fri Jan 01 1954 00:00:00 GMT+0000 (Greenwich Mean Time)");
let dt2 = new Date(1965, Month.January, 1);
assertDateTime(dt2, "Fri Jan 01 1965 00:00:00 GMT+0000 (Greenwich Mean Time)");
let dt3 = new Date(1970, Month.January, 1);
assertDateTime(dt3, "Thu Jan 01 1970 00:00:00 GMT+0100 (Greenwich Mean Time)");
let dt4 = new Date(-504921600000);
assertDateTime(dt4, "Fri Jan 01 1954 00:00:00 GMT+0000 (Greenwich Mean Time)");
let dt5 = new Date(1974, Month.January, 1);
assertDateTime(dt5, "Tue Jan 01 1974 00:00:00 GMT+0000 (Greenwich Mean Time)");
});
inTimeZone("Europe/Dublin", () => {
let dt = new Date(0, Month.January, 1, 0, 0, 0, 0);
dt.setFullYear(1970);
assertEq(dt.getFullYear(), 1970);
});
// bug 937261
inTimeZone("Europe/Lisbon", () => {
let dt = new Date(0, Month.January, 1, 0, 0, 0, 0);
assertDateTime(dt, "Mon Jan 01 1900 00:00:00 GMT-0036 (Western European Standard Time)");
dt.setFullYear(2015);
assertDateTime(dt, "Thu Jan 01 2015 00:00:00 GMT+0000 (Western European Standard Time)");
dt.setMonth(Month.November);
assertDateTime(dt, "Sun Nov 01 2015 00:00:00 GMT+0000 (Western European Standard Time)");
});
inTimeZone("Europe/London", () => {
let dt = new Date(0, Month.January, 1, 0, 0, 0, 0);
assertDateTime(dt, "Mon Jan 01 1900 00:00:00 GMT+0000 (Greenwich Mean Time)");
dt.setFullYear(2015);
assertDateTime(dt, "Thu Jan 01 2015 00:00:00 GMT+0000 (Greenwich Mean Time)");
dt.setMonth(Month.November);
assertDateTime(dt, "Sun Nov 01 2015 00:00:00 GMT+0000 (Greenwich Mean Time)");
});
// bug 1079720
inTimeZone("Europe/Moscow", () => {
let dt1 = new Date(2014, Month.January, 1);
assertDateTime(dt1, "Wed Jan 01 2014 00:00:00 GMT+0400 (Moscow Standard Time)");
assertEq(dt1.toISOString(), "2013-12-31T20:00:00.000Z");
assertEq(dt1.getHours(), 0);
let dt2 = new Date(2013, Month.January, 1);
assertDateTime(dt2, "Tue Jan 01 2013 00:00:00 GMT+0400 (Moscow Standard Time)");
let dt3 = new Date(new Date(2014, Month.December, 1).setMonth(Month.January));
assertDateTime(dt3, "Wed Jan 01 2014 00:00:00 GMT+0400 (Moscow Standard Time)");
assertEq(dt3.getFullYear(), 2014);
let dt4 = new Date(2040, Month.April, 1);
assertDateTime(dt4, "Sun Apr 01 2040 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt5 = new Date(2043, Month.April, 1);
assertDateTime(dt5, "Wed Apr 01 2043 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt6 = new Date(2054, Month.April, 1);
assertDateTime(dt6, "Wed Apr 01 2054 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt7 = new Date(2065, Month.April, 1);
assertDateTime(dt7, "Wed Apr 01 2065 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt8 = new Date(2068, Month.April, 1);
assertDateTime(dt8, "Sun Apr 01 2068 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt9 = new Date(2071, Month.April, 1);
assertDateTime(dt9, "Wed Apr 01 2071 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt10 = new Date(2082, Month.April, 1);
assertDateTime(dt10, "Wed Apr 01 2082 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt11 = new Date(2093, Month.April, 1);
assertDateTime(dt11, "Wed Apr 01 2093 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt12 = new Date(2096, Month.April, 1);
assertDateTime(dt12, "Sun Apr 01 2096 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt13 = new Date(2099, Month.April, 1);
assertDateTime(dt13, "Wed Apr 01 2099 00:00:00 GMT+0300 (Moscow Standard Time)");
});
// bug 1107837
inTimeZone("Europe/Moscow", () => {
let dt1 = new Date(2015, Month.January, 4);
assertDateTime(dt1, "Sun Jan 04 2015 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt2 = new Date(2015, Month.January, 5);
assertDateTime(dt2, "Mon Jan 05 2015 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt3 = new Date(2015, Month.January, 6);
assertDateTime(dt3, "Tue Jan 06 2015 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt4 = new Date(2015, Month.January, 7);
assertDateTime(dt4, "Wed Jan 07 2015 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt5 = new Date(2015, Month.January, 8);
assertDateTime(dt5, "Thu Jan 08 2015 00:00:00 GMT+0300 (Moscow Standard Time)");
let dt6 = new Date(2015, Month.January, 9);
assertDateTime(dt6, "Fri Jan 09 2015 00:00:00 GMT+0300 (Moscow Standard Time)");
});
let dt1 = new Date(1950, Month.March, 28);
assertDateTime(dt1, "Tue Mar 28 1950 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt1.toLocaleString(locale, opts), "28/03/1950, 00:00:00 GMT+01:00");
let dt2 = new Date(1950, Month.July, 1);
assertDateTime(dt2, "Sat Jul 01 1950 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt2.toLocaleString(locale, opts), "01/07/1950, 00:00:00 GMT+01:00");
let dt3 = new Date(1960, Month.March, 27);
assertDateTime(dt3, "Sun Mar 27 1960 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt3.toLocaleString(locale, opts), "27/03/1960, 00:00:00 GMT+01:00");
let dt4 = new Date(1960, Month.March, 28);
assertDateTime(dt4, "Mon Mar 28 1960 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt4.toLocaleString(locale, opts), "28/03/1960, 00:00:00 GMT+01:00");
let dt5 = new Date(1960, Month.March, 29);
assertDateTime(dt5, "Tue Mar 29 1960 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt5.toLocaleString(locale, opts), "29/03/1960, 00:00:00 GMT+01:00");
let dt6 = new Date(1960, Month.July, 1);
assertDateTime(dt6, "Fri Jul 01 1960 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt6.toLocaleString(locale, opts), "01/07/1960, 00:00:00 GMT+01:00");
let dt7 = new Date(1961, Month.July, 1);
assertDateTime(dt7, "Sat Jul 01 1961 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt7.toLocaleString(locale, opts), "01/07/1961, 00:00:00 GMT+01:00");
let dt8 = new Date(1970, Month.March, 1);
assertDateTime(dt8, "Sun Mar 01 1970 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt8.toLocaleString(locale, opts), "01/03/1970, 00:00:00 Central European Standard Time");
let dt9 = new Date(1970, Month.March, 27);
assertDateTime(dt9, "Fri Mar 27 1970 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt9.toLocaleString(locale, opts), "27/03/1970, 00:00:00 Central European Standard Time");
let dt10 = new Date(1970, Month.March, 28);
assertDateTime(dt10, "Sat Mar 28 1970 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt10.toLocaleString(locale, opts), "28/03/1970, 00:00:00 Central European Standard Time");
let dt11 = new Date(1970, Month.July, 1);
assertDateTime(dt11, "Wed Jul 01 1970 00:00:00 GMT+0100 (Central European Standard Time)");
assertEq(dt11.toLocaleString(locale, opts), "01/07/1970, 00:00:00 Central European Standard Time");
});
// bug 1143398
inTimeZone("Australia/Adelaide", () => {
let dt = new Date(621000);
assertDateTime(dt, "Thu Jan 01 1970 09:40:21 GMT+0930 (Australian Central Standard Time)");
assertEq(dt.getUTCFullYear(), 1970);
// bug 1330307
inTimeZone("Europe/Moscow", () => {
let dt = new Date(2012, Month.May, 14, 12, 13, 14);
assertDateTime(dt, "Mon May 14 2012 12:13:14 GMT+0400 (Moscow Standard Time)");
let dtf = new Intl.DateTimeFormat("en-US", {hour: "numeric", minute: "numeric"});
assertEq(dtf.format(dt), "12:13 PM");
});
inTimeZone("Asia/Baku", () => {
let dt = new Date(2012, Month.May, 14, 12, 13, 14);
assertDateTime(dt, "Mon May 14 2012 12:13:14 GMT+0500 (Azerbaijan Summer Time)");
let dtf = new Intl.DateTimeFormat("en-US", {hour: "numeric", minute: "numeric"});
assertEq(dtf.format(dt), "12:13 PM");
});
inTimeZone("Asia/Tbilisi", () => {
let dt = new Date(2012, Month.May, 14, 12, 13, 14);
assertDateTime(dt, "Mon May 14 2012 12:13:14 GMT+0400 (Georgia Standard Time)");
let dtf = new Intl.DateTimeFormat("en-US", {hour: "numeric", minute: "numeric"});
assertEq(dtf.format(dt), "12:13 PM");
});
// bug 1335818
inTimeZone("Asia/Jerusalem", () => {
let dt1 = new Date(2013, Month.March, 22, 1, 0, 0, 0);
assertDateTime(dt1, "Fri Mar 22 2013 01:00:00 GMT+0200 (Israel Standard Time)");
let dt2 = new Date(2013, Month.March, 22, 2, 0, 0, 0);
assertDateTime(dt2, "Fri Mar 22 2013 02:00:00 GMT+0200 (Israel Standard Time)");
let dt3 = new Date(2013, Month.March, 22, 3, 0, 0, 0);
assertDateTime(dt3, "Fri Mar 22 2013 03:00:00 GMT+0200 (Israel Standard Time)");
let dt4 = new Date(2013, Month.March, 29, 1, 0, 0, 0);
assertDateTime(dt4, "Fri Mar 29 2013 01:00:00 GMT+0200 (Israel Standard Time)");
let dt5 = new Date(2013, Month.March, 29, 2, 0, 0, 0);
assertDateTime(dt5, "Fri Mar 29 2013 03:00:00 GMT+0300 (Israel Daylight Time)");
let dt6 = new Date(2013, Month.March, 29, 3, 0, 0, 0);
assertDateTime(dt6, "Fri Mar 29 2013 03:00:00 GMT+0300 (Israel Daylight Time)");
});
// bug 1342853
inTimeZone("America/Sao_Paulo", () => {
let dt1 = new Date(2017, Month.October, 14, 12, 0, 0);
assertDateTime(dt1, "Sat Oct 14 2017 12:00:00 GMT-0300 (Brasilia Standard Time)");
assertEq(dt1.getTimezoneOffset(), 180);
let dt2 = new Date(2017, Month.October, 15, 12, 0, 0);
assertDateTime(dt2, "Sun Oct 15 2017 12:00:00 GMT-0200 (Brasilia Summer Time)");
assertEq(dt2.getTimezoneOffset(), 120);
let dt3 = new Date(2018, Month.February, 17, 12, 0, 0);
assertDateTime(dt3, "Sat Feb 17 2018 12:00:00 GMT-0200 (Brasilia Summer Time)");
assertEq(dt3.getTimezoneOffset(), 120);
let dt4 = new Date(2018, Month.February, 18, 12, 0, 0);
assertDateTime(dt4, "Sun Feb 18 2018 12:00:00 GMT-0300 (Brasilia Standard Time)");
assertEq(dt4.getTimezoneOffset(), 180);
let dt5 = new Date(2018, Month.November, 3, 12, 0, 0);
assertDateTime(dt5, "Sat Nov 03 2018 12:00:00 GMT-0300 (Brasilia Standard Time)");
assertEq(dt5.getTimezoneOffset(), 180);
let dt6 = new Date(2018, Month.November, 4, 12, 0, 0);
assertDateTime(dt6, "Sun Nov 04 2018 12:00:00 GMT-0200 (Brasilia Summer Time)");
assertEq(dt6.getTimezoneOffset(), 120);
let dt7 = new Date(2019, Month.February, 16, 12, 0, 0);
assertDateTime(dt7, "Sat Feb 16 2019 12:00:00 GMT-0200 (Brasilia Summer Time)");
assertEq(dt7.getTimezoneOffset(), 120);
let dt8 = new Date(2019, Month.February, 17, 12, 0, 0);
assertDateTime(dt8, "Sun Feb 17 2019 12:00:00 GMT-0300 (Brasilia Standard Time)");
assertEq(dt8.getTimezoneOffset(), 180);
});
// bug 1365192
inTimeZone("America/Asuncion", () => {
let dt = new Date(2018, Month.March, 31);
assertDateTime(dt, "Sat Mar 31 2018 00:00:00 GMT-0400 (Paraguay Standard Time)");
assertEq(dt.getTimezoneOffset(), 240);
});
// bug 1385643
inTimeZone("Europe/Warsaw", () => {
let shortMonths = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
let dtf = new Intl.DateTimeFormat("en-US", {month: "short"});
for (let year = 1900; year <= 2100; ++year) { for (let month = Month.January; month <= Month.December; ++month) {
let date = new Date(year, month, 1);
assertEq(dtf.format(date), shortMonths[month]);
}
}
});
// bug 1401696
inTimeZone("Europe/Berlin", () => {
let dt = new Date(1970, Month.January, 1, 0, 0, 0);
assertDateTime(dt, "Thu Jan 01 1970 00:00:00 GMT+0100 (Central European Standard Time)");
});
// bug 1459842
inTimeZone("Europe/Moscow", () => {
let dt1 = new Date(1004, Month.April, 1, 2, 0, 0);
assertDateTime(dt1, "Sun Apr 01 1004 02:00:00 GMT+0230 (Moscow Standard Time)");
assertEq(dt1.getHours(), 2);
let dt2 = new Date(1004, Month.April, 1, 1, 0, 0);
assertDateTime(dt2, "Sun Apr 01 1004 01:00:00 GMT+0230 (Moscow Standard Time)");
assertEq(dt2.getHours(), 1);
let dt3 = new Date(1004, Month.April, 1, 0, 0, 0);
assertDateTime(dt3, "Sun Apr 01 1004 00:00:00 GMT+0230 (Moscow Standard Time)");
assertEq(dt3.getHours(), 0);
let dt4 = new Date(1004, Month.March, 1, 2, 0, 0);
assertDateTime(dt4, "Thu Mar 01 1004 02:00:00 GMT+0230 (Moscow Standard Time)");
assertEq(dt4.getHours(), 2);
let dt5 = new Date(1004, Month.March, 1, 1, 0, 0);
assertDateTime(dt5, "Thu Mar 01 1004 01:00:00 GMT+0230 (Moscow Standard Time)");
assertEq(dt5.getHours(), 1);
let dt6 = new Date(1004, Month.March, 1, 0, 0, 0);
assertDateTime(dt6, "Thu Mar 01 1004 00:00:00 GMT+0230 (Moscow Standard Time)");
assertEq(dt6.getHours(), 0);
});
// bug 1799638
inTimeZone("Asia/Tokyo", () => {
let dt1 = new Date(1948, Month.May, 1, 23, 59, 59);
assertDateTime(dt1, "Sat May 01 1948 23:59:59 GMT+0900 (Japan Standard Time)");
assertEq(dt1.getTimezoneOffset(), -540);
let dt2 = new Date(1948, Month.May, 1, 24, 0, 0);
assertDateTime(dt2, "Sun May 02 1948 01:00:00 GMT+1000 (Japan Daylight Time)");
assertEq(dt2.getTimezoneOffset(), -600);
let dt3 = new Date(1948, Month.May, 1, 23, 59, 59, 1);
assertDateTime(dt3, "Sat May 01 1948 23:59:59 GMT+0900 (Japan Standard Time)");
assertEq(dt3.getTimezoneOffset(), -540);
});
inTimeZone("America/New_York", () => {
let dt1 = new Date(1966, Month.April, 24, 1, 59, 59);
assertDateTime(dt1, "Sun Apr 24 1966 01:59:59 GMT-0500 (Eastern Standard Time)");
assertEq(dt1.getTimezoneOffset(), 300);
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