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/* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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* The Original Code is Mozilla Communicator client code, released March
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* JavaScript shared functions file for running the tests in either
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* stand-alone JavaScript engine. To run a test, first load this file,
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* then load the test script.
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var completed = false;
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var GLOBAL = "[object global]";
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var PASSED = " PASSED!"
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var FAILED = " FAILED! expected: ";
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* Wrapper for test case constructor that doesn't require the SECTION argument.
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function AddTestCase( description, expect, actual )
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testcases[tc++] = new TestCase( SECTION, description, expect, actual );
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* TestCase constructor
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function TestCase( n, d, e, a )
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this.bugnumber = BUGNUMBER;
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this.passed = getTestCaseResult( this.expect, this.actual );
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if ( DEBUG ) {writeLineToLog("added " + this.description);}
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* Set up test environment.
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// JavaScript 1.3 is supposed to be compliant ECMA version 1.0
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if (VERSION == "ECMA_1" ) {version ("130");}
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if (VERSION == "JS_1.3" ) {version ( "130");}
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if (VERSION == "JS_1.2" ) {version ( "120");}
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if (VERSION == "JS_1.1" ) {version( "110");}
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// for ECMA version 2.0, we will leave the JavaScript version
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// to the default ( for now ).
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// print out bugnumber
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writeLineToLog ("BUGNUMBER: " + BUGNUMBER );
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testcases = new Array();
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for ( tc=0; tc < testcases.length; tc++ )
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+ testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
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return ( testcases );
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* Compare expected result to the actual result and figure out whether
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* the test case passed.
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function getTestCaseResult(expect, actual )
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//because ( NaN == NaN ) always returns false, need to do
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//a special compare to see if we got the right result.
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if ( actual != actual )
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if ( typeof actual == "object" ) {actual = "NaN object";}
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else {actual = "NaN number";}
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if ( expect != expect )
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if ( typeof expect == "object" ) {expect = "NaN object";}
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else {expect = "NaN number";}
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var passed = ( expect == actual ) ? true : false;
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// if both objects are numbers, need to replace w/ IEEE standard for rounding
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if ( !passed && typeof(actual) == "number" && typeof(expect) == "number" )
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if ( Math.abs(actual-expect) < 0.0000001 ) {passed = true;}
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//verify type is the same
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if ( typeof(expect) != typeof(actual) ) {passed = false;}
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* Begin printing functions. These functions use the shell's print function.
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* When running tests in the browser, override these functions with functions
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* that use document.write.
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function writeTestCaseResult( expect, actual, string )
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var passed = getTestCaseResult(expect, actual );
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writeFormattedResult( expect, actual, string, passed );
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function writeFormattedResult( expect, actual, string, passed )
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s += ( passed ) ? PASSED : FAILED + expect;
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function writeLineToLog( string )
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function writeHeaderToLog( string )
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/* End of printing functions */
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* When running in the shell, run the garbage collector after the test has completed.
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if ( gc != undefined )
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* Convenience function for displaying failed test cases.
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* Useful when running tests manually.
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function getFailedCases()
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for (var i = 0; i < testcases.length; i++ )
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if ( !testcases[i].passed )
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print( testcases[i].description + " = " + testcases[i].actual + " expected: " + testcases[i].expect );
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* Date constants and functions used by tests in Date suite
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var msPerDay = 86400000;
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var HoursPerDay = 24;
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var MinutesPerHour = 60;
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var SecondsPerMinute = 60;
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var msPerSecond = 1000;
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var msPerMinute = 60000; // msPerSecond * SecondsPerMinute
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var msPerHour = 3600000; // msPerMinute * MinutesPerHour
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var TZ_DIFF = getTimeZoneDiff();
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var TZ_ADJUST = TZ_DIFF * msPerHour;
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var TIME_2000 = 946684800000;
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var TIME_1900 = -2208988800000;
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var UTC_29_FEB_2000 = TIME_2000 + 31*msPerDay + 28*msPerDay;
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var UTC_1_JAN_2005 = TIME_2000 + TimeInYear(2000) + TimeInYear(2001) +
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TimeInYear(2002) + TimeInYear(2003) + TimeInYear(2004);
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var now = new Date();
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var TIME_NOW = now.valueOf(); //valueOf() is to accurate to the millisecond
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//Date.parse() is accurate only to the second
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* Originally, the test suite used a hard-coded value TZ_DIFF = -8.
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* But that was only valid for testers in the Pacific Standard Time Zone!
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* We calculate the proper number dynamically for any tester. We just
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* have to be careful to use a date not subject to Daylight Savings Time...
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function getTimeZoneDiff()
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return -((new Date(2000, 1, 1)).getTimezoneOffset())/60;
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return ( Math.floor( t/msPerDay ) );
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function DaysInYear( y )
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if ( y % 4 != 0 ) {return 365;}
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if ( (y%4 == 0) && (y%100 != 0) ) {return 366;}
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if ( (y%100 == 0) && (y%400 != 0) ) {return 365;}
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if ( (y%400 == 0)){return 366;}
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else {return "ERROR: DaysInYear(" + y + ") case not covered";}
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function TimeInYear( y )
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return ( DaysInYear(y) * msPerDay );
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function DayNumber( t )
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return ( Math.floor( t / msPerDay ) );
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function TimeWithinDay( t )
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if ( t < 0 ) {return ( (t%msPerDay) + msPerDay );}
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else {return ( t % msPerDay );}
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function YearNumber( t )
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function TimeFromYear( y )
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return ( msPerDay * DayFromYear(y) );
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function DayFromYear( y )
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return ( 365*(y-1970) + Math.floor((y-1969)/4) - Math.floor((y-1901)/100)
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+ Math.floor((y-1601)/400) );
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function InLeapYear( t )
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if ( DaysInYear(YearFromTime(t)) == 365 ) {return 0;}
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if ( DaysInYear(YearFromTime(t)) == 366 ) {return 1;}
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else {return "ERROR: InLeapYear(" + t + ") case not covered";}
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function YearFromTime( t )
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var sign = ( t < 0 ) ? -1 : 1;
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var year = ( sign < 0 ) ? 1969 : 1970;
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for (var timeToTimeZero = t; ; )
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// subtract the current year's time from the time that's left.
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timeToTimeZero -= sign * TimeInYear(year)
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// if there's less than the current year's worth of time left, then break.
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if ( sign * timeToTimeZero <= 0 ) {break;}
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if ( sign * timeToTimeZero < 0 ) {break;}
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function MonthFromTime( t )
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var day = DayWithinYear( t );
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var leap = InLeapYear(t);
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// I know I could use switch but I'd rather not until it's part of ECMA
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if ( (0 <= day) && (day < 31) ) {return 0;}
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if ( (31 <= day) && (day < (59+leap) )) {return 1;}
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if ( ((59+leap) <= day) && (day < (90+leap) )) {return 2;}
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if ( ((90+leap) <= day) && (day < (120+leap) )) {return 3;}
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if ( ((120+leap) <= day) && (day < (151+leap) )) {return 4;}
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if ( ((151+leap) <= day) && (day < (181+leap) )) {return 5;}
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if ( ((181+leap) <= day) && (day < (212+leap) )) {return 6;}
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if ( ((212+leap) <= day) && (day < (243+leap)) ) {return 7;}
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if ( ((243+leap) <= day) && (day < (273+leap) )) {return 8;}
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if ( ((273+leap) <= day) && (day < (304+leap)) ) {return 9;}
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if ( ((304+leap) <= day) && (day < (334+leap)) ) {return 10;}
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if ( ((334+leap) <= day) && (day < (365+leap)) ) {return 11;}
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else {return "ERROR: MonthFromTime(" + t + ") not known";}
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function DayWithinYear( t )
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return(Day(t) - DayFromYear(YearFromTime(t)) );
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function DateFromTime( t )
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var day = DayWithinYear(t);
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var month = MonthFromTime(t);
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if ( month == 0) {return ( day + 1 );}
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if ( month == 1) {return ( day - 30 );}
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if ( month == 2) {return ( day - 58 - InLeapYear(t) );}
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if ( month == 3) {return ( day - 89 - InLeapYear(t));}
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if ( month == 4) {return ( day - 119 - InLeapYear(t));}
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if ( month == 5) {return ( day - 150 - InLeapYear(t));}
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if ( month == 6) {return ( day - 180 - InLeapYear(t));}
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if ( month == 7) {return ( day - 211 - InLeapYear(t));}
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if ( month == 8) {return ( day - 242 - InLeapYear(t));}
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if ( month == 9) {return ( day - 272 - InLeapYear(t));}
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if ( month == 10) {return ( day - 303 - InLeapYear(t));}
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if ( month == 11) {return ( day - 333 - InLeapYear(t));}
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return ("ERROR: DateFromTime("+t+") not known" );
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function WeekDay( t )
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var weekday = (Day(t)+4)%7;
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return( weekday < 0 ? 7+weekday : weekday );
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// missing daylight savings time adjustment
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function HourFromTime( t )
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var h = Math.floor( t / msPerHour )%HoursPerDay;
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return ( (h<0) ? HoursPerDay + h : h );
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function MinFromTime( t )
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var min = Math.floor( t / msPerMinute )%MinutesPerHour;
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return( (min < 0 ) ? MinutesPerHour + min : min );
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function SecFromTime( t )
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var sec = Math.floor( t / msPerSecond )%SecondsPerMinute;
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return ( (sec < 0 ) ? SecondsPerMinute + sec : sec );
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function msFromTime( t )
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var ms = t%msPerSecond;
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return ( (ms < 0 ) ? msPerSecond + ms : ms );
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return ( TZ_DIFF * msPerHour );
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return ( t - LocalTZA() - DaylightSavingTA(t - LocalTZA()) );
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function DaylightSavingTA( t )
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var dst_start = GetSecondSundayInMarch(t) + 2*msPerHour;
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var dst_end = GetFirstSundayInNovember(t) + 2*msPerHour;
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if ( t >= dst_start && t < dst_end ) {return msPerHour;}
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// Daylight Savings Time starts on the first Sunday in April at 2:00AM in PST.
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// Other time zones will need to override this function.
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print( new Date( UTC(dst_start + LocalTZA())) );
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return UTC(dst_start + LocalTZA());
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function GetFirstSundayInApril( t ) {
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var year = YearFromTime(t);
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var leap = InLeapYear(t);
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var april = TimeFromYear(year) + TimeInMonth(0, leap) + TimeInMonth(1,leap) +
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for ( var first_sunday = april; WeekDay(first_sunday) > 0;
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first_sunday += msPerDay )
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function GetLastSundayInOctober( t ) {
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var year = YearFromTime(t);
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var leap = InLeapYear(t);
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for ( var oct = TimeFromYear(year), m = 0; m < 9; m++ ) {
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oct += TimeInMonth(m, leap);
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for ( var last_sunday = oct + 30*msPerDay; WeekDay(last_sunday) > 0;
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last_sunday -= msPerDay )
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// Added these two functions because DST rules changed for the US.
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function GetSecondSundayInMarch( t ) {
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var year = YearFromTime(t);
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var leap = InLeapYear(t);
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var march = TimeFromYear(year) + TimeInMonth(0, leap) + TimeInMonth(1,leap);
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for ( var second_sunday = march; flag; second_sunday += msPerDay )
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if (WeekDay(second_sunday) == 0) {
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if(++sundayCount == 2)
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return second_sunday;
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function GetFirstSundayInNovember( t ) {
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var year = YearFromTime(t);
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var leap = InLeapYear(t);
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for ( var nov = TimeFromYear(year), m = 0; m < 10; m++ ) {
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nov += TimeInMonth(m, leap);
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for ( var first_sunday = nov; WeekDay(first_sunday) > 0;
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first_sunday += msPerDay )
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function LocalTime( t )
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return ( t + LocalTZA() + DaylightSavingTA(t) );
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function MakeTime( hour, min, sec, ms )
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if ( isNaN(hour) || isNaN(min) || isNaN(sec) || isNaN(ms) ){return Number.NaN;}
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hour = ToInteger(hour);
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min = ToInteger( min);
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sec = ToInteger( sec);
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ms = ToInteger( ms );
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return( (hour*msPerHour) + (min*msPerMinute) + (sec*msPerSecond) + ms );
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function MakeDay( year, month, date )
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if ( isNaN(year) || isNaN(month) || isNaN(date)) {return Number.NaN;}
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year = ToInteger(year);
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month = ToInteger(month);
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date = ToInteger(date );
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var sign = ( year < 1970 ) ? -1 : 1;
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var t = ( year < 1970 ) ? 1 : 0;
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var y = ( year < 1970 ) ? 1969 : 1970;
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var result5 = year + Math.floor( month/12 );
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var result6= month%12;
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for ( y = 1969; y >= year; y += sign )
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t += sign * TimeInYear(y);
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for ( y = 1970 ; y < year; y += sign )
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t += sign * TimeInYear(y);
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var leap = InLeapYear( t );
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for ( var m = 0; m < month; m++)
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t += TimeInMonth( m, leap );
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if ( YearFromTime(t) != result5 ) {return Number.NaN;}
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if ( MonthFromTime(t) != result6 ) {return Number.NaN;}
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if ( DateFromTime(t) != 1 ){return Number.NaN;}
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return ( (Day(t)) + date - 1 );
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function TimeInMonth( month, leap )
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// Jan 0 Feb 1 Mar 2 Apr 3 May 4 June 5 Jul 6 Aug 7 Sep 8 Oct 9 Nov 10 Dec11
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// April June September November
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if ( month == 3 || month == 5 || month == 8 || month == 10 ) {return ( 30*msPerDay );}
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if ( month == 0 || month == 2 || month == 4 || month == 6 ||
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month == 7 || month == 9 || month == 11 ) {return ( 31*msPerDay );}
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return ( (leap == 0) ? 28*msPerDay : 29*msPerDay );
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function MakeDate( day, time )
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if (day == Number.POSITIVE_INFINITY ||
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day == Number.NEGATIVE_INFINITY ||
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if ( time == Number.POSITIVE_INFINITY ||
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time == Number.POSITIVE_INFINITY ||
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return ( day * msPerDay ) + time;
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function TimeClip( t )
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if ( isNaN( t )) {return ( Number.NaN);}
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if ( Math.abs( t ) > 8.64e15 ) {return ( Number.NaN);}
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return ( ToInteger( t ) );
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function ToInteger( t )
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if ( isNaN( t )) {return ( Number.NaN);}
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if ( t == 0 || t == -0 ||
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t == Number.POSITIVE_INFINITY ||
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t == Number.NEGATIVE_INFINITY)
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var sign = ( t < 0 ) ? -1 : 1;
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return ( sign * Math.floor( Math.abs( t ) ) );
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function Enumerate( o )
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for ( p in o ) {print( p + ": " + o[p] );}
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/* these functions are useful for running tests manually in Rhino */
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function GetContext()
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return Packages.com.netscape.javascript.Context.getCurrentContext();
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function OptLevel( i )
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var cx = GetContext();
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cx.setOptimizationLevel(i);
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/* end of Rhino functions */