mozilla/ecma/jsref.js

var completed = false;
var testcases;
var tc = 0;

SECTION	= "";
VERSION	= "";
BUGNUMBER =	"";
TITLE  = "";

/*
 * constant strings
 */
var	GLOBAL = "[object global]";
var PASSED = " PASSED!"
var FAILED = " FAILED! expected: ";
var	DEBUG =	false;

TZ_DIFF = -8;

var TT = "";
var TT_ = "";
var BR = "";
var NBSP = " ";
var CR = "\n";
var FONT = "";
var FONT_ = "";
var FONT_RED = "";
var FONT_GREEN = "";
var B = "";
var B_ = ""
var H2 = "";
var H2_ = "";
var HR = "";
var DEBUG = false;

var PASSED = " PASSED!"
var FAILED = " FAILED! expected: ";

function test() {
    for ( tc=0; tc < testcases.length; tc++ ) {
        testcases[tc].passed = writeTestCaseResult(
                            testcases[tc].expect,
                            testcases[tc].actual,
                            testcases[tc].description +" = "+
                            testcases[tc].actual );

        testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
    }
    stopTest();
    return ( testcases );
}
/* wrapper for test cas constructor that doesn't require the SECTION
 * argument.
 */

function AddTestCase( description, expect, actual ) {
    testcases[tc++] = new TestCase( SECTION, description, expect, actual );
}

function TestCase( n, d, e, a ) {
    this.name        = n;
    this.description = d;
    this.expect      = e;
    this.actual      = a;
    this.passed      = true;
    this.reason      = "";
    this.bugnumber   = BUGNUMBER;

    this.passed = getTestCaseResult( this.expect, this.actual );
    if ( DEBUG ) {
        writeLineToLog( "added " + this.description );
    }
}

/*
 * Set up test environment.
 *
 */
function startTest() {
    if ( version ) {
    	//	JavaScript 1.3 is supposed to be compliant ecma	version	1.0
	    if ( VERSION ==	"ECMA_1" ) {
		    version	( "130"	);
    	}
	    if ( VERSION ==	"JS_1.3" ) {
		    version	( "130"	);
    	}
	    if ( VERSION ==	"JS_1.2" ) {
		    version	( "120"	);
    	}
	    if ( VERSION  == "JS_1.1" )	{
		    version	( "110"	);
    	}
	    // for ecma	version	2.0, we	will leave the javascript version to
    	// the default ( for now ).
    }

    // print out bugnumber

    if ( BUGNUMBER ) {
            writeLineToLog ("BUGNUMBER: " + BUGNUMBER );
    }

    testcases = new Array();
    tc = 0;
}


function test() {
    for ( tc=0; tc < testcases.length; tc++ ) {
        testcases[tc].passed = writeTestCaseResult(
                            testcases[tc].expect,
                            testcases[tc].actual,
                            testcases[tc].description +" = "+ testcases[tc].actual );
        testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
    }
    stopTest();
    return ( testcases );
}


function getTestCaseResult( expect, actual ) {
    //  because ( NaN == NaN ) always returns false, need to do
    //  a special compare to see if we got the right result.
        if ( actual != actual ) {
            if ( typeof actual == "object" ) {
                actual = "NaN object";
            } else {
                actual = "NaN number";
            }
        }
        if ( expect != expect ) {
            if ( typeof expect == "object" ) {
                expect = "NaN object";
            } else {
                expect = "NaN number";
            }
        }

        var passed = ( expect == actual ) ? true : false;

    //  if both objects are numbers
    // need to replace w/ IEEE standard for rounding
        if (    !passed
                && typeof(actual) == "number"
                && typeof(expect) == "number"
            ) {
                if ( Math.abs(actual-expect) < 0.0000001 ) {
                    passed = true;
                }
        }

    //  verify type is the same
        if ( typeof(expect) != typeof(actual) ) {
            passed = false;
        }

        return passed;
}
function writeTestCaseResult( expect, actual, string ) {
        var passed = getTestCaseResult( expect, actual );
        writeFormattedResult( expect, actual, string, passed );
        return passed;
}
function writeFormattedResult( expect, actual, string, passed ) {
        var s = TT + string ;

        for ( k = 0;
              k <  (60 - string.length >= 0 ? 60 - string.length : 5) ;
              k++ ) {
        }

        s += B ;
        s += ( passed ) ? FONT_GREEN + NBSP + PASSED : FONT_RED + NBSP + FAILED + expect + TT_ ;

        writeLineToLog( s + FONT_ + B_ + TT_ );

        return passed;
}

function writeLineToLog( string ) {
    print( string + BR + CR );
}
function writeHeaderToLog( string ) {
    print( H2 + string + H2_ );
}
function stopTest()
{
    var sizeTag  = "<#TEST CASES SIZE>";
    var doneTag  = "<#TEST CASES DONE>";
    var beginTag = "<#TEST CASE ";
    var endTag   = ">";

    print(sizeTag);
    print(testcases.length);
    for (tc = 0; tc < testcases.length; tc++)
    {
        print(beginTag + 'PASSED'      + endTag);
        print(testcases[tc].passed);
        print(beginTag + 'NAME'        + endTag);
        print(testcases[tc].name);
        print(beginTag + 'EXPECTED'    + endTag);
        print(testcases[tc].expect);
        print(beginTag + 'ACTUAL'      + endTag);
        print(testcases[tc].actual);
        print(beginTag + 'DESCRIPTION' + endTag);
        print(testcases[tc].description);
        print(beginTag + 'REASON'      + endTag);
        print(( testcases[tc].passed ) ? "" : "wrong value ");
        print(beginTag + 'BUGNUMBER'   + endTag);
        print( BUGNUMBER );
    }
    print(doneTag);
    print( HR );
    gc();
}
function getFailedCases() {
  for ( var i = 0; i < testcases.length; i++ ) {
     if ( ! testcases[i].passed ) {
        print( testcases[i].description +" = " +testcases[i].actual +" expected: "+ testcases[i].expect );
     }
  }
}
function err( msg, page, line ) {
    testcases[tc].actual = "error";
    testcases[tc].reason = msg;
    writeTestCaseResult( testcases[tc].expect,
                         testcases[tc].actual,
                         testcases[tc].description +" = "+ testcases[tc].actual +
                         ": " + testcases[tc].reason );
    stopTest();
    return true;
}

/**
 *  Type Conversion functions used by Type Conversion
 *
 */


 /*
  * 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 TIME_1970    = 0;
var TIME_2000    = 946684800000;
var TIME_1900    = -2208988800000;

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 ) {
    if ( t < 0 ) {
        return ( (t % msPerDay) + msPerDay );
    } else {
        return ( t % msPerDay );
    }
}
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 savins 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 = GetSecondSundayInMarch(t) + 2*msPerHour;
    var dst_end   = GetFirstSundayInNovember(t)+ 2*msPerHour;

    if ( t >= dst_start && t < dst_end ) {
        return msPerHour;
    } else {
        return 0;
    }

    // Daylight Savings Time starts on the first Sunday in April at 2:00AM in
    // PST.  Other time zones will need to override this function.

    print( new Date( UTC(dst_start + LocalTZA())) );

    return UTC(dst_start  + LocalTZA());
}
function GetFirstSundayInApril( t ) {
    var year = YearFromTime(t);
    var leap = InLeapYear(t);

    var april = TimeFromYear(year) + TimeInMonth(0, leap) + TimeInMonth(1,leap) +
    TimeInMonth(2,leap);

    for ( var first_sunday = april; WeekDay(first_sunday) > 0;
        first_sunday += msPerDay )
    {
        ;
    }

    return first_sunday;
}
function GetLastSundayInOctober( t ) {
    var year = YearFromTime(t);
    var leap = InLeapYear(t);

    for ( var oct = TimeFromYear(year), m = 0; m < 9; m++ ) {
        oct += TimeInMonth(m, leap);
    }
    for ( var last_sunday = oct + 30*msPerDay; WeekDay(last_sunday) > 0;
        last_sunday -= msPerDay )
    {
        ;
    }
    return last_sunday;
}

// Added these two functions because DST rules changed for the US.
function GetSecondSundayInMarch( t ) {
	var	year = YearFromTime(t);
	var	leap = InLeapYear(t);

	var	march =	TimeFromYear(year) + TimeInMonth(0, leap) + TimeInMonth(1,leap);

	var sundayCount = 0;
	var flag = true;
	for ( var second_sunday = march; flag; second_sunday += msPerDay )
	{
		if (WeekDay(second_sunday) == 0) {
			if(++sundayCount == 2)
				flag = false;
		}
	}

	return second_sunday;
}
function GetFirstSundayInNovember( t ) {
	var year = YearFromTime(t);
	var leap = InLeapYear(t);

	for ( var nov = TimeFromYear(year), m =	0; m < 10; m++ ) {
		nov += TimeInMonth(m, leap);
	}
	for ( var first_sunday = nov; WeekDay(first_sunday) > 0;
		first_sunday += msPerDay	)
	{
		;
	}
	return first_sunday;
}
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 ||
            day == Number.NaN ) {
        return Number.NaN;
    }
    if (    time == Number.POSITIVE_INFINITY ||
            time == Number.POSITIVE_INFINITY ||
            day == Number.NaN) {
        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 properties = new Array();
    for ( p in o ) {
       properties[ properties.length ] = new Array( p, o[p] );
    }
    return properties;
}
function AddTestCase( description, expect, actual ) {
    testcases[tc++] = new TestCase( SECTION, description, expect, actual );
}

function getFailedCases() {
  for ( var i = 0; i < testcases.length; i++ ) {
     if ( ! testcases[i].passed ) {
        print( testcases[i].description +" = " +testcases[i].actual +" expected: "+ testcases[i].expect );
     }
  }
}