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-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator client code, released
- * March 31, 1998.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-gTestsubsuite = 'Date';
-
-/*
- * Date functions used by tests in Date suite
- *
- */
-var msPerDay = 86400000;
-var HoursPerDay = 24;
-var MinutesPerHour = 60;
-var SecondsPerMinute = 60;
-var msPerSecond = 1000;
-var msPerMinute = 60000; // msPerSecond * SecondsPerMinute
-var msPerHour = 3600000; // msPerMinute * MinutesPerHour
-var TZ_DIFF = getTimeZoneDiff(); // offset of tester's timezone from UTC
-var TZ_ADJUST = TZ_DIFF * msPerHour;
-var TZ_PST = -8; // offset of Pacific Standard Time from UTC
-var PST_DIFF = TZ_DIFF - TZ_PST; // offset of tester's timezone from PST
-var TIME_1970 = 0;
-var TIME_2000 = 946684800000;
-var TIME_1900 = -2208988800000;
-var UTC_29_FEB_2000 = TIME_2000 + 31*msPerDay + 28*msPerDay;
-var UTC_1_JAN_2005 = TIME_2000 + TimeInYear(2000) + TimeInYear(2001) +
- TimeInYear(2002) + TimeInYear(2003) + TimeInYear(2004);
-var now = new Date();
-var TIME_NOW = now.valueOf(); //valueOf() is to accurate to the millisecond
- //Date.parse() is accurate only to the second
-
-/*
- * Originally, the test suite used a hard-coded value TZ_DIFF = -8.
- * But that was only valid for testers in the Pacific Standard Time Zone!
- * We calculate the proper number dynamically for any tester. We just
- * have to be careful not to use a date subject to Daylight Savings Time...
- */
-function getTimeZoneDiff()
-{
- return -((new Date(2000, 1, 1)).getTimezoneOffset())/60;
-}
-
-
-/*
- * Date test "ResultArrays" are hard-coded for Pacific Standard Time.
- * We must adjust them for the tester's own timezone -
- */
-function adjustResultArray(ResultArray, msMode)
-{
- // If the tester's system clock is in PST, no need to continue -
- if (!PST_DIFF) {return;}
-
- /* The date gTestcases instantiate Date objects in two different ways:
- *
- * millisecond mode: e.g. dt = new Date(10000000);
- * year-month-day mode: dt = new Date(2000, 5, 1, ...);
- *
- * In the first case, the date is measured from Time 0 in Greenwich (i.e. UTC).
- * In the second case, it is measured with reference to the tester's local timezone.
- *
- * In the first case we must correct those values expected for local measurements,
- * like dt.getHours() etc. No correction is necessary for dt.getUTCHours() etc.
- *
- * In the second case, it is exactly the other way around -
- */
- if (msMode)
- {
- // The hard-coded UTC milliseconds from Time 0 derives from a UTC date.
- // Shift to the right by the offset between UTC and the tester.
- var t = ResultArray[TIME] + TZ_DIFF*msPerHour;
-
- // Use our date arithmetic functions to determine the local hour, day, etc.
- ResultArray[HOURS] = HourFromTime(t);
- ResultArray[DAY] = WeekDay(t);
- ResultArray[DATE] = DateFromTime(t);
- ResultArray[MONTH] = MonthFromTime(t);
- ResultArray[YEAR] = YearFromTime(t);
- }
- else
- {
- // The hard-coded UTC milliseconds from Time 0 derives from a PST date.
- // Shift to the left by the offset between PST and the tester.
- var t = ResultArray[TIME] - PST_DIFF*msPerHour;
-
- // Use our date arithmetic functions to determine the UTC hour, day, etc.
- ResultArray[TIME] = t;
- ResultArray[UTC_HOURS] = HourFromTime(t);
- ResultArray[UTC_DAY] = WeekDay(t);
- ResultArray[UTC_DATE] = DateFromTime(t);
- ResultArray[UTC_MONTH] = MonthFromTime(t);
- ResultArray[UTC_YEAR] = YearFromTime(t);
- }
-}
-
-
-function Day( t ) {
- return ( Math.floor(t/msPerDay ) );
-}
-function DaysInYear( y ) {
- if ( y % 4 != 0 ) {
- return 365;
- }
- if ( (y % 4 == 0) && (y % 100 != 0) ) {
- return 366;
- }
- if ( (y % 100 == 0) && (y % 400 != 0) ) {
- return 365;
- }
- if ( (y % 400 == 0) ){
- return 366;
- } else {
- return "ERROR: DaysInYear(" + y + ") case not covered";
- }
-}
-function TimeInYear( y ) {
- return ( DaysInYear(y) * msPerDay );
-}
-function DayNumber( t ) {
- return ( Math.floor( t / msPerDay ) );
-}
-function TimeWithinDay( t ) {
-
- var r = t % msPerDay;
-
- if (r < 0)
- {
- r += msPerDay;
- }
- return r;
-
-}
-function YearNumber( t ) {
-}
-function TimeFromYear( y ) {
- return ( msPerDay * DayFromYear(y) );
-}
-function DayFromYear( y ) {
- return ( 365*(y-1970) +
- Math.floor((y-1969)/4) -
- Math.floor((y-1901)/100) +
- Math.floor((y-1601)/400) );
-}
-function InLeapYear( t ) {
- if ( DaysInYear(YearFromTime(t)) == 365 ) {
- return 0;
- }
- if ( DaysInYear(YearFromTime(t)) == 366 ) {
- return 1;
- } else {
- return "ERROR: InLeapYear("+ t + ") case not covered";
- }
-}
-function YearFromTime( t ) {
- t = Number( t );
- var sign = ( t < 0 ) ? -1 : 1;
- var year = ( sign < 0 ) ? 1969 : 1970;
- for ( var timeToTimeZero = t; ; ) {
- // subtract the current year's time from the time that's left.
- timeToTimeZero -= sign * TimeInYear(year)
-
- // if there's less than the current year's worth of time left, then break.
- if ( sign < 0 ) {
- if ( sign * timeToTimeZero <= 0 ) {
- break;
- } else {
- year += sign;
- }
- } else {
- if ( sign * timeToTimeZero < 0 ) {
- break;
- } else {
- year += sign;
- }
- }
- }
- return ( year );
-}
-function MonthFromTime( t ) {
- // i know i could use switch but i'd rather not until it's part of ECMA
- var day = DayWithinYear( t );
- var leap = InLeapYear(t);
-
- if ( (0 <= day) && (day < 31) ) {
- return 0;
- }
- if ( (31 <= day) && (day < (59+leap)) ) {
- return 1;
- }
- if ( ((59+leap) <= day) && (day < (90+leap)) ) {
- return 2;
- }
- if ( ((90+leap) <= day) && (day < (120+leap)) ) {
- return 3;
- }
- if ( ((120+leap) <= day) && (day < (151+leap)) ) {
- return 4;
- }
- if ( ((151+leap) <= day) && (day < (181+leap)) ) {
- return 5;
- }
- if ( ((181+leap) <= day) && (day < (212+leap)) ) {
- return 6;
- }
- if ( ((212+leap) <= day) && (day < (243+leap)) ) {
- return 7;
- }
- if ( ((243+leap) <= day) && (day < (273+leap)) ) {
- return 8;
- }
- if ( ((273+leap) <= day) && (day < (304+leap)) ) {
- return 9;
- }
- if ( ((304+leap) <= day) && (day < (334+leap)) ) {
- return 10;
- }
- if ( ((334+leap) <= day) && (day < (365+leap)) ) {
- return 11;
- } else {
- return "ERROR: MonthFromTime("+t+") not known";
- }
-}
-function DayWithinYear( t ) {
- return( Day(t) - DayFromYear(YearFromTime(t)));
-}
-function DateFromTime( t ) {
- var day = DayWithinYear(t);
- var month = MonthFromTime(t);
-
- if ( month == 0 ) {
- return ( day + 1 );
- }
- if ( month == 1 ) {
- return ( day - 30 );
- }
- if ( month == 2 ) {
- return ( day - 58 - InLeapYear(t) );
- }
- if ( month == 3 ) {
- return ( day - 89 - InLeapYear(t));
- }
- if ( month == 4 ) {
- return ( day - 119 - InLeapYear(t));
- }
- if ( month == 5 ) {
- return ( day - 150- InLeapYear(t));
- }
- if ( month == 6 ) {
- return ( day - 180- InLeapYear(t));
- }
- if ( month == 7 ) {
- return ( day - 211- InLeapYear(t));
- }
- if ( month == 8 ) {
- return ( day - 242- InLeapYear(t));
- }
- if ( month == 9 ) {
- return ( day - 272- InLeapYear(t));
- }
- if ( month == 10 ) {
- return ( day - 303- InLeapYear(t));
- }
- if ( month == 11 ) {
- return ( day - 333- InLeapYear(t));
- }
-
- return ("ERROR: DateFromTime("+t+") not known" );
-}
-function WeekDay( t ) {
- var weekday = (Day(t)+4) % 7;
- return( weekday < 0 ? 7 + weekday : weekday );
-}
-
-// missing daylight savings time adjustment
-
-function HourFromTime( t ) {
- var h = Math.floor( t / msPerHour ) % HoursPerDay;
- return ( (h<0) ? HoursPerDay + h : h );
-}
-function MinFromTime( t ) {
- var min = Math.floor( t / msPerMinute ) % MinutesPerHour;
- return( ( min < 0 ) ? MinutesPerHour + min : min );
-}
-function SecFromTime( t ) {
- var sec = Math.floor( t / msPerSecond ) % SecondsPerMinute;
- return ( (sec < 0 ) ? SecondsPerMinute + sec : sec );
-}
-function msFromTime( t ) {
- var ms = t % msPerSecond;
- return ( (ms < 0 ) ? msPerSecond + ms : ms );
-}
-function LocalTZA() {
- return ( TZ_DIFF * msPerHour );
-}
-function UTC( t ) {
- return ( t - LocalTZA() - DaylightSavingTA(t - LocalTZA()) );
-}
-
-function DaylightSavingTA( t ) {
- t = t - LocalTZA();
-
- var dst_start = GetDSTStart(t);
- var dst_end = GetDSTEnd(t);
-
- if ( t >= dst_start && t < dst_end )
- return msPerHour;
-
- return 0;
-}
-
-function GetFirstSundayInMonth( t, m ) {
- var year = YearFromTime(t);
- var leap = InLeapYear(t);
-
-// month m 0..11
-// april == 3
-// march == 2
-
- // set time to first day of month m
- var time = TimeFromYear(year);
- for (var i = 0; i < m; ++i)
- {
- time += TimeInMonth(i, leap);
- }
-
- for ( var first_sunday = time; WeekDay(first_sunday) > 0;
- first_sunday += msPerDay )
- {
- ;
- }
-
- return first_sunday;
-}
-
-function GetLastSundayInMonth( t, m ) {
- var year = YearFromTime(t);
- var leap = InLeapYear(t);
-
-// month m 0..11
-// april == 3
-// march == 2
-
- // first day of following month
- var time = TimeFromYear(year);
- for (var i = 0; i <= m; ++i)
- {
- time += TimeInMonth(i, leap);
- }
- // prev day == last day of month
- time -= msPerDay;
-
- for ( var last_sunday = time; WeekDay(last_sunday) > 0;
- last_sunday -= msPerDay )
- {
- ;
- }
- return last_sunday;
-}
-
-/*
- 15.9.1.9 Daylight Saving Time Adjustment
-
- The implementation of ECMAScript should not try to determine whether
- the exact time was subject to daylight saving time, but just whether
- daylight saving time would have been in effect if the current
- daylight saving time algorithm had been used at the time. This avoids
- complications such as taking into account the years that the locale
- observed daylight saving time year round.
-*/
-
-/*
- US DST algorithm
-
- Before 2007, DST starts first Sunday in April at 2 AM and ends last
- Sunday in October at 2 AM
-
- Starting in 2007, DST starts second Sunday in March at 2 AM and ends
- first Sunday in November at 2 AM
-
- Note that different operating systems behave differently.
-
- Fully patched Windows XP uses the 2007 algorithm for all dates while
- fully patched Fedora Core 6 and RHEL 4 Linux use the algorithm in
- effect at the time.
-
- Since pre-2007 DST is a subset of 2007 DST rules, this only affects
- tests that occur in the period Mar-Apr and Oct-Nov where the two
- algorithms do not agree.
-
-*/
-
-function GetDSTStart( t )
-{
- return (GetFirstSundayInMonth(t, 2) + 7*msPerDay + 2*msPerHour - LocalTZA());
-}
-
-function GetDSTEnd( t )
-{
- return (GetFirstSundayInMonth(t, 10) + 2*msPerHour - LocalTZA());
-}
-
-function GetOldDSTStart( t )
-{
- return (GetFirstSundayInMonth(t, 3) + 2*msPerHour - LocalTZA());
-}
-
-function GetOldDSTEnd( t )
-{
- return (GetLastSundayInMonth(t, 9) + 2*msPerHour - LocalTZA());
-}
-
-function LocalTime( t ) {
- return ( t + LocalTZA() + DaylightSavingTA(t) );
-}
-function MakeTime( hour, min, sec, ms ) {
- if ( isNaN( hour ) || isNaN( min ) || isNaN( sec ) || isNaN( ms ) ) {
- return Number.NaN;
- }
-
- hour = ToInteger(hour);
- min = ToInteger( min);
- sec = ToInteger( sec);
- ms = ToInteger( ms );
-
- return( (hour*msPerHour) + (min*msPerMinute) +
- (sec*msPerSecond) + ms );
-}
-function MakeDay( year, month, date ) {
- if ( isNaN(year) || isNaN(month) || isNaN(date) ) {
- return Number.NaN;
- }
- year = ToInteger(year);
- month = ToInteger(month);
- date = ToInteger(date );
-
- var sign = ( year < 1970 ) ? -1 : 1;
- var t = ( year < 1970 ) ? 1 : 0;
- var y = ( year < 1970 ) ? 1969 : 1970;
-
- var result5 = year + Math.floor( month/12 );
- var result6 = month % 12;
-
- if ( year < 1970 ) {
- for ( y = 1969; y >= year; y += sign ) {
- t += sign * TimeInYear(y);
- }
- } else {
- for ( y = 1970 ; y < year; y += sign ) {
- t += sign * TimeInYear(y);
- }
- }
-
- var leap = InLeapYear( t );
-
- for ( var m = 0; m < month; m++ ) {
- t += TimeInMonth( m, leap );
- }
-
- if ( YearFromTime(t) != result5 ) {
- return Number.NaN;
- }
- if ( MonthFromTime(t) != result6 ) {
- return Number.NaN;
- }
- if ( DateFromTime(t) != 1 ) {
- return Number.NaN;
- }
-
- return ( (Day(t)) + date - 1 );
-}
-function TimeInMonth( month, leap ) {
- // september april june november
- // jan 0 feb 1 mar 2 apr 3 may 4 june 5 jul 6
- // aug 7 sep 8 oct 9 nov 10 dec 11
-
- if ( month == 3 || month == 5 || month == 8 || month == 10 ) {
- return ( 30*msPerDay );
- }
-
- // all the rest
- if ( month == 0 || month == 2 || month == 4 || month == 6 ||
- month == 7 || month == 9 || month == 11 ) {
- return ( 31*msPerDay );
- }
-
- // save february
- return ( (leap == 0) ? 28*msPerDay : 29*msPerDay );
-}
-function MakeDate( day, time ) {
- if ( day == Number.POSITIVE_INFINITY ||
- day == Number.NEGATIVE_INFINITY ) {
- return Number.NaN;
- }
- if ( time == Number.POSITIVE_INFINITY ||
- time == Number.NEGATIVE_INFINITY ) {
- return Number.NaN;
- }
- return ( day * msPerDay ) + time;
-}
-function TimeClip( t ) {
- if ( isNaN( t ) ) {
- return ( Number.NaN );
- }
- if ( Math.abs( t ) > 8.64e15 ) {
- return ( Number.NaN );
- }
-
- return ( ToInteger( t ) );
-}
-function ToInteger( t ) {
- t = Number( t );
-
- if ( isNaN( t ) ){
- return ( Number.NaN );
- }
- if ( t == 0 || t == -0 ||
- t == Number.POSITIVE_INFINITY || t == Number.NEGATIVE_INFINITY ) {
- return 0;
- }
-
- var sign = ( t < 0 ) ? -1 : 1;
-
- return ( sign * Math.floor( Math.abs( t ) ) );
-}
-function Enumerate ( o ) {
- var p;
- for ( p in o ) {
- print( p +": " + o[p] );
- }
-}
-
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