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gecko-dev/js/tests/ecma/shell.js

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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 ***** */
/*
* JavaScript shared functions file for running the tests in either
* stand-alone JavaScript engine. To run a test, first load this file,
* then load the test script.
*/
var completed = false;
var testcases = new Array();
var tc = testcases.length;
var SECTION = "";
var VERSION = "";
var BUGNUMBER = "";
/*
* constant strings
*/
var GLOBAL = "[object global]";
var PASSED = " PASSED!"
var FAILED = " FAILED! expected: ";
var DEBUG = false;
/*
* wrapper for test case constructor that doesn't require the SECTION
* argument.
*/
function AddTestCase( description, expect, actual ) {
new TestCase( SECTION, description, expect, actual );
}
/*
* TestCase constructor
*
*/
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 );
}
/*
* testcases are solely maintained in the TestCase
* constructor. tc will _always_ point to one past the
* last testcase. If an exception occurs during the call
* to the constructor, then we are assured that the tc
* index has not been incremented.
*/
testcases[tc++] = this;
}
/*
* 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 );
}
}
function test() {
for ( tc=0; tc < testcases.length; tc++ ) {
// temporary hack to work around some unknown issue in 1.7
try
{
testcases[tc].passed = writeTestCaseResult(
testcases[tc].expect,
testcases[tc].actual,
testcases[tc].description +" = "+ testcases[tc].actual );
testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
}
catch(e)
{
writeLineToLog('test(): empty testcase for tc = ' + tc + ' ' + e);
}
}
stopTest();
return ( testcases );
}
/*
* Compare expected result to the actual result and figure out whether
* the test case passed.
*/
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;
}
/*
* Begin printing functions. These functions use the shell's
* print function. When running tests in the browser, these
* functions, override these functions with functions that use
* document.write.
*/
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 = string ;
s += ( passed ) ? PASSED : FAILED + expect;
writeLineToLog( s);
return passed;
}
function writeLineToLog( string ) {
print( string );
}
function writeHeaderToLog( string ) {
print( string );
}
/* end of print functions */
/*
* When running in the shell, run the garbage collector after the
* test has completed.
*/
function stopTest() {
var gc;
if ( gc != undefined ) {
gc();
}
}
/*
* Convenience function for displaying failed test cases. Useful
* when running tests manually.
*
*/
function getFailedCases() {
for ( var i = 0; i < testcases.length; i++ ) {
if ( ! testcases[i].passed ) {
writeLineToLog( testcases[i].description +" = " +testcases[i].actual +" expected: "+ testcases[i].expect );
}
}
}
/*
* 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_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;
/*
* 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 testcases 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 ) {
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 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 = GetFirstSundayInApril(t) + 2*msPerHour;
var dst_end = GetLastSundayInOctober(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.
writeLineToLog( 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;
}
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 p;
for ( p in o ) {
writeLineToLog( p +": " + o[p] );
}
}
/* these functions are useful for running tests manually in Rhino */
function GetContext() {
return Packages.com.netscape.javascript.Context.getCurrentContext();
}
function OptLevel( i ) {
i = Number(i);
var cx = GetContext();
cx.setOptimizationLevel(i);
}
/* end of Rhino functions */
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