tests/mozilla/ecma_3/Date/shell.js

   1 /* The contents of this file are subject to the Netscape Public
   2  * License Version 1.1 (the "License"); you may not use this file
   3  * except in compliance with the License. You may obtain a copy of
   4  * the License at http://www.mozilla.org/NPL/
   5  *
   6  * Software distributed under the License is distributed on an "AS
   7  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
   8  * implied. See the License for the specific language governing
   9  * rights and limitations under the License.
  10  *
  11  * The Original Code is Mozilla Communicator client code, released March
  12  * 31, 1998.
  13  *
  14  * The Initial Developer of the Original Code is Netscape Communications
  15  * Corporation. Portions created by Netscape are
  16  * Copyright (C) 1998 Netscape Communications Corporation. All
  17  * Rights Reserved.
  18  *
  19  * Contributor(s):
  20  *
  21  */
  22 /*
  23  * JavaScript shared functions file for running the tests in either
  24  * stand-alone JavaScript engine.  To run a test, first load this file,
  25  * then load the test script.
  26  */
  27
  28 var completed = false;
  29 var testcases;
  30 var tc = 0;
  31
  32 SECTION = "";
  33 VERSION = "";
  34 BUGNUMBER = "";
  35
  36 /*
  37  * constant strings
  38  */
  39 var GLOBAL = "[object global]";
  40 var PASSED = " PASSED!"
  41 var FAILED = " FAILED! expected: ";
  42 var DEBUG = false;
  43
  44
  45 /*
  46 * Wrapper for test case constructor that doesn't require the SECTION argument.
  47  */
  48 function AddTestCase( description, expect, actual )
  49 {
  50   testcases[tc++] = new TestCase( SECTION, description, expect, actual );
  51 }
  52
  53
  54 /*
  55  * TestCase constructor
  56 */
  57 function TestCase( n, d, e, a )
  58 {
  59   this.name = n;
  60   this.description = d;
  61   this.expect = e;
  62   this.actual = a;
  63   this.passed = true;
  64   this.reason = "";
  65   this.bugnumber = BUGNUMBER;
  66   this.passed = getTestCaseResult( this.expect, this.actual );
  67   if ( DEBUG ) {writeLineToLog("added " + this.description);}
  68 }
  69
  70
  71 /*
  72  * Set up test environment.
  73 */
  74 function startTest()
  75 {
  76   if ( version )
  77   {
  78     // JavaScript 1.3 is supposed to be compliant ECMA version 1.0
  79     if (VERSION == "ECMA_1" ) {version ("130");}
  80     if (VERSION == "JS_1.3" ) {version ( "130");}
  81     if (VERSION == "JS_1.2" ) {version ( "120");}
  82     if (VERSION == "JS_1.1" ) {version( "110");}
  83
  84    // for ECMA version 2.0, we will leave the JavaScript version
  85    // to the default ( for now ).
  86  }
  87
  88   // print out bugnumber
  89   if ( BUGNUMBER )
  90   {
  91     writeLineToLog ("BUGNUMBER: " + BUGNUMBER );
  92   }
  93
  94   testcases = new Array();
  95   tc = 0;
  96 }
  97
  98
  99 function test()
 100 {
 101   for ( tc=0; tc < testcases.length; tc++ )
 102   {
 103     testcases[tc].passed = writeTestCaseResult(
 104                             testcases[tc].expect,
 105                             testcases[tc].actual,
 106                             testcases[tc].description +" = "+ testcases[tc].actual );
 107
 108     testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
 109     }
 110
 111   stopTest();
 112   return ( testcases );
 113 }
 114
 115
 116 /*
 117  * Compare expected result to the actual result and figure out whether
 118  * the test case passed.
 119  */
 120 function getTestCaseResult(expect, actual )
 121 {
 122   //because ( NaN == NaN ) always returns false, need to do
 123   //a special compare to see if we got the right result.
 124   if ( actual != actual )
 125   {
 126     if ( typeof actual == "object" ) {actual = "NaN object";}
 127     else {actual = "NaN number";}
 128   }
 129
 130   if ( expect != expect )
 131   {
 132     if ( typeof expect == "object" ) {expect = "NaN object";}
 133     else {expect = "NaN number";}
 134   }
 135
 136   var passed = ( expect == actual ) ?  true : false;
 137
 138   // if both objects are numbers, need to replace w/ IEEE standard for rounding
 139   if ( !passed  &&  typeof(actual) == "number"  &&  typeof(expect) == "number" )
 140   {
 141     if ( Math.abs(actual-expect) < 0.0000001 ) {passed = true;}
 142   }
 143
 144   //verify type is the same
 145   if ( typeof(expect) != typeof(actual) ) {passed = false;}
 146
 147   return passed;
 148 }
 149
 150
 151 /*
 152  * Begin printing functions.  These functions use the shell's print function.
 153 *  When running tests in the browser, override these functions with functions
 154 *  that use document.write.
 155  */
 156 function writeTestCaseResult( expect, actual, string )
 157 {
 158   var passed = getTestCaseResult(expect, actual );
 159   writeFormattedResult( expect, actual, string, passed );
 160   return passed;
 161 }
 162
 163
 164 function writeFormattedResult( expect, actual, string, passed )
 165 {
 166   var s = string ;
 167   s += ( passed ) ? PASSED : FAILED + expect;
 168   writeLineToLog( s);
 169   return passed;
 170 }
 171
 172
 173 function writeLineToLog( string )
 174 {
 175   print( string );
 176 }
 177
 178
 179 function writeHeaderToLog( string )
 180 {
 181   print( string );
 182 }
 183 /* End of printing functions */
 184
 185
 186 /*
 187  * When running in the shell, run the garbage collector after the test has completed.
 188  */
 189 function stopTest()
 190 {
 191   var gc;
 192   if ( gc != undefined )
 193   {
 194     gc();
 195   }
 196 }
 197
 198
 199 /*
 200  * Convenience function for displaying failed test cases.
 201  * Useful when running tests manually.
 202 */
 203 function getFailedCases()
 204 {
 205   for (var i = 0; i < testcases.length; i++ )
 206   {
 207     if ( !testcases[i].passed )
 208     {
 209       print( testcases[i].description  +  " = " +  testcases[i].actual  +  " expected: "  +  testcases[i].expect );
 210     }
 211   }
 212 }
 213
 214
 215  /*
 216   * Date constants and functions used by tests in Date suite
 217 */
 218 var msPerDay = 86400000;
 219 var HoursPerDay = 24;
 220 var MinutesPerHour = 60;
 221 var SecondsPerMinute = 60;
 222 var msPerSecond = 1000;
 223 var msPerMinute = 60000;   // msPerSecond * SecondsPerMinute
 224 var msPerHour = 3600000;   // msPerMinute * MinutesPerHour
 225 var TZ_DIFF = getTimeZoneDiff();
 226 var TZ_ADJUST = TZ_DIFF * msPerHour;
 227 var TIME_1970 = 0;
 228 var TIME_2000 = 946684800000;
 229 var TIME_1900 = -2208988800000;
 230 var UTC_29_FEB_2000 = TIME_2000 + 31*msPerDay + 28*msPerDay;
 231 var UTC_1_JAN_2005 = TIME_2000 + TimeInYear(2000) + TimeInYear(2001) +
 232        TimeInYear(2002) + TimeInYear(2003) + TimeInYear(2004);
 233 var now = new Date();
 234 var TIME_NOW = now.valueOf();  //valueOf() is to accurate to the millisecond
 235                                                               //Date.parse() is accurate only to the second
 236
 237
 238
 239 /*
 240  * Originally, the test suite used a hard-coded value TZ_DIFF = -8.
 241  * But that was only valid for testers in the Pacific Standard Time Zone!
 242  * We calculate the proper number dynamically for any tester. We just
 243  * have to be careful to use a date not subject to Daylight Savings Time...
 244 */
 245 function getTimeZoneDiff()
 246 {
 247   return -((new Date(2000, 1, 1)).getTimezoneOffset())/60;
 248 }
 249
 250
 251 function Day( t)
 252 {
 253   return ( Math.floor( t/msPerDay ) );
 254 }
 255
 256
 257 function DaysInYear( y )
 258 {
 259   if ( y % 4 != 0 ) {return 365;}
 260
 261   if ( (y%4 == 0) && (y%100 != 0) ) {return 366;}
 262
 263   if ( (y%100 == 0) && (y%400 != 0) ) {return 365;}
 264
 265   if ( (y%400 == 0)){return 366;}
 266   else {return "ERROR: DaysInYear("  +  y  +  ") case not covered";}
 267 }
 268
 269
 270 function TimeInYear( y )
 271 {
 272   return ( DaysInYear(y) * msPerDay );
 273 }
 274
 275
 276 function DayNumber( t )
 277 {
 278   return ( Math.floor( t / msPerDay ) );
 279 }
 280
 281
 282 function TimeWithinDay( t )
 283 {
 284   if ( t < 0 ) {return ( (t%msPerDay) + msPerDay );}
 285   else {return ( t % msPerDay );}
 286 }
 287
 288
 289 function YearNumber( t )
 290 {
 291 }
 292
 293
 294 function TimeFromYear( y )
 295 {
 296   return ( msPerDay * DayFromYear(y) );
 297 }
 298
 299
 300 function DayFromYear( y )
 301 {
 302   return ( 365*(y-1970)  +  Math.floor((y-1969)/4)  -  Math.floor((y-1901)/100)
 303                 + Math.floor((y-1601)/400) );
 304 }
 305
 306
 307 function InLeapYear( t )
 308 {
 309   if ( DaysInYear(YearFromTime(t)) == 365 ) {return 0;}
 310
 311   if ( DaysInYear(YearFromTime(t)) == 366 ) {return 1;}
 312   else {return "ERROR: InLeapYear("  +  t  +  ") case not covered";}
 313 }
 314
 315
 316 function YearFromTime( t )
 317 {
 318   t =Number( t );
 319   var sign = ( t < 0 ) ? -1 : 1;
 320   var year = ( sign < 0 ) ? 1969 : 1970;
 321
 322   for (var timeToTimeZero = t; ;  )
 323   {
 324     // subtract the current year's time from the time that's left.
 325     timeToTimeZero -= sign * TimeInYear(year)
 326
 327     // if there's less than the current year's worth of time left, then break.
 328     if ( sign < 0 )
 329     {
 330       if ( sign * timeToTimeZero <= 0 ) {break;}
 331       else {year += sign;}
 332     }
 333     else
 334     {
 335       if ( sign * timeToTimeZero < 0 ) {break;}
 336       else {year += sign;}
 337     }
 338   }
 339
 340   return ( year );
 341 }
 342
 343
 344 function MonthFromTime( t )
 345 {
 346   var day = DayWithinYear( t );
 347   var leap = InLeapYear(t);
 348
 349   // I know I could use switch but I'd rather not until it's part of ECMA
 350   if ( (0 <= day) && (day < 31) ) {return 0;}
 351   if ( (31 <= day) && (day < (59+leap) )) {return 1;}
 352   if ( ((59+leap) <= day) && (day < (90+leap) )) {return 2;}
 353   if ( ((90+leap) <= day) && (day < (120+leap) )) {return 3;}
 354   if ( ((120+leap) <= day) && (day < (151+leap) )) {return 4;}
 355   if ( ((151+leap) <= day) && (day < (181+leap) )) {return 5;}
 356   if ( ((181+leap) <= day) && (day < (212+leap) )) {return 6;}
 357   if ( ((212+leap) <= day) && (day < (243+leap)) ) {return 7;}
 358   if ( ((243+leap) <= day) && (day < (273+leap) )) {return 8;}
 359   if ( ((273+leap) <= day) && (day < (304+leap)) ) {return 9;}
 360   if ( ((304+leap) <= day) && (day < (334+leap)) ) {return 10;}
 361   if ( ((334+leap) <= day) && (day < (365+leap)) ) {return 11;}
 362   else {return "ERROR: MonthFromTime("  +  t  +  ") not known";}
 363 }
 364
 365
 366 function DayWithinYear( t )
 367 {
 368   return(Day(t) - DayFromYear(YearFromTime(t)) );
 369 }
 370
 371
 372 function DateFromTime( t )
 373 {
 374   var day = DayWithinYear(t);
 375   var month = MonthFromTime(t);
 376
 377   if ( month == 0) {return ( day + 1 );}
 378   if ( month == 1) {return ( day - 30 );}
 379   if ( month == 2) {return ( day - 58 - InLeapYear(t) );}
 380   if ( month == 3) {return ( day - 89 - InLeapYear(t));}
 381   if ( month == 4) {return ( day - 119 - InLeapYear(t));}
 382   if ( month == 5) {return ( day - 150 - InLeapYear(t));}
 383   if ( month == 6) {return ( day - 180 - InLeapYear(t));}
 384   if ( month == 7) {return ( day - 211 - InLeapYear(t));}
 385   if ( month == 8) {return ( day - 242 - InLeapYear(t));}
 386   if ( month == 9) {return ( day - 272 - InLeapYear(t));}
 387   if ( month == 10) {return ( day - 303 - InLeapYear(t));}
 388   if ( month == 11) {return ( day - 333 - InLeapYear(t));}
 389   return ("ERROR: DateFromTime("+t+") not known" );
 390 }
 391
 392
 393 function WeekDay( t )
 394 {
 395   var weekday = (Day(t)+4)%7;
 396   return( weekday < 0 ?  7+weekday : weekday );
 397 }
 398
 399
 400 // missing daylight savings time adjustment
 401
 402
 403 function HourFromTime( t )
 404 {
 405   var h = Math.floor( t / msPerHour )%HoursPerDay;
 406   return ( (h<0) ? HoursPerDay + h : h  );
 407 }
 408
 409
 410 function MinFromTime( t )
 411 {
 412   var min = Math.floor( t / msPerMinute )%MinutesPerHour;
 413   return( (min < 0 ) ?  MinutesPerHour + min : min );
 414 }
 415
 416
 417 function SecFromTime( t )
 418 {
 419   var sec = Math.floor( t / msPerSecond )%SecondsPerMinute;
 420   return ( (sec < 0 ) ?  SecondsPerMinute + sec : sec );
 421 }
 422
 423
 424 function msFromTime( t )
 425 {
 426   var ms = t%msPerSecond;
 427   return ( (ms < 0 ) ? msPerSecond + ms : ms );
 428 }
 429
 430
 431 function LocalTZA()
 432 {
 433   return ( TZ_DIFF * msPerHour );
 434 }
 435
 436
 437 function UTC( t )
 438 {
 439   return ( t - LocalTZA() - DaylightSavingTA(t  - LocalTZA()) );
 440 }
 441
 442
 443 function DaylightSavingTA( t )
 444 {
 445   t = t - LocalTZA();
 446
 447   var dst_start = GetSecondSundayInMarch(t) +  2*msPerHour;
 448   var dst_end = GetFirstSundayInNovember(t) +  2*msPerHour;
 449
 450   if ( t >= dst_start  &&  t < dst_end ) {return msPerHour;}
 451   else {return 0;}
 452
 453   // Daylight Savings Time starts on the first Sunday in April at 2:00AM in PST.
 454   // Other time zones will need to override this function.
 455
 456 print( new Date( UTC(dst_start + LocalTZA())) );
 457 return UTC(dst_start + LocalTZA());
 458 }
 459
 460 function GetFirstSundayInApril( t ) {
 461     var year = YearFromTime(t);
 462     var leap = InLeapYear(t);
 463
 464     var april = TimeFromYear(year) + TimeInMonth(0, leap) + TimeInMonth(1,leap) +
 465     TimeInMonth(2,leap);
 466
 467     for ( var first_sunday = april; WeekDay(first_sunday) > 0;
 468         first_sunday += msPerDay )
 469     {
 470         ;
 471     }
 472
 473     return first_sunday;
 474 }
 475 function GetLastSundayInOctober( t ) {
 476     var year = YearFromTime(t);
 477     var leap = InLeapYear(t);
 478
 479     for ( var oct = TimeFromYear(year), m = 0; m < 9; m++ ) {
 480         oct += TimeInMonth(m, leap);
 481     }
 482     for ( var last_sunday = oct + 30*msPerDay; WeekDay(last_sunday) > 0;
 483         last_sunday -= msPerDay )
 484     {
 485         ;
 486     }
 487     return last_sunday;
 488 }
 489
 490 // Added these two functions because DST rules changed for the US.
 491 function GetSecondSundayInMarch( t ) {
 492         var     year = YearFromTime(t);
 493         var     leap = InLeapYear(t);
 494
 495         var     march = TimeFromYear(year) + TimeInMonth(0, leap) + TimeInMonth(1,leap);
 496
 497         var sundayCount = 0;
 498         var flag = true;
 499         for ( var second_sunday = march; flag; second_sunday += msPerDay )
 500         {
 501                 if (WeekDay(second_sunday) == 0) {
 502                         if(++sundayCount == 2)
 503                                 flag = false;
 504                 }
 505         }
 506
 507         return second_sunday;
 508 }
 509 function GetFirstSundayInNovember( t ) {
 510         var year = YearFromTime(t);
 511         var leap = InLeapYear(t);
 512
 513         for ( var nov = TimeFromYear(year), m = 0; m < 10; m++ ) {
 514                 nov += TimeInMonth(m, leap);
 515         }
 516         for ( var first_sunday = nov; WeekDay(first_sunday) > 0;
 517                 first_sunday += msPerDay        )
 518         {
 519                 ;
 520         }
 521         return first_sunday;
 522 }
 523
 524
 525 function LocalTime( t )
 526 {
 527   return ( t + LocalTZA() + DaylightSavingTA(t) );
 528 }
 529
 530
 531 function MakeTime( hour, min, sec, ms )
 532 {
 533   if ( isNaN(hour) || isNaN(min) || isNaN(sec) || isNaN(ms) ){return Number.NaN;}
 534
 535   hour = ToInteger(hour);
 536   min  = ToInteger( min);
 537   sec  = ToInteger( sec);
 538   ms = ToInteger( ms );
 539
 540   return( (hour*msPerHour) + (min*msPerMinute) + (sec*msPerSecond) + ms );
 541 }
 542
 543
 544 function MakeDay( year, month, date )
 545 {
 546   if ( isNaN(year) || isNaN(month) || isNaN(date)) {return Number.NaN;}
 547
 548   year = ToInteger(year);
 549   month = ToInteger(month);
 550   date = ToInteger(date );
 551
 552   var sign = ( year < 1970 ) ?  -1 : 1;
 553   var t = ( year < 1970 ) ? 1 :  0;
 554   var y = ( year < 1970 ) ? 1969 : 1970;
 555
 556   var result5 = year + Math.floor( month/12 );
 557   var result6= month%12;
 558
 559   if ( year < 1970 )
 560   {
 561     for ( y = 1969; y >= year;  y += sign )
 562     {
 563       t += sign * TimeInYear(y);
 564     }
 565   }
 566   else
 567   {
 568     for ( y = 1970 ; y < year; y += sign )
 569     {
 570       t += sign * TimeInYear(y);
 571     }
 572   }
 573
 574   var leap = InLeapYear( t );
 575
 576   for ( var m = 0; m < month; m++)
 577   {
 578     t += TimeInMonth( m, leap );
 579   }
 580
 581   if ( YearFromTime(t) != result5 ) {return Number.NaN;}
 582   if ( MonthFromTime(t) != result6 ) {return Number.NaN;}
 583   if ( DateFromTime(t) != 1 ){return Number.NaN;}
 584
 585   return ( (Day(t)) + date - 1 );
 586 }
 587
 588
 589 function TimeInMonth( month, leap )
 590 {
 591   // Jan 0  Feb 1  Mar 2  Apr 3   May 4  June 5  Jul 6 Aug 7  Sep 8 Oct 9  Nov 10  Dec11
 592
 593   // April  June  September November
 594   if ( month == 3 || month == 5 || month == 8 || month == 10 ) {return ( 30*msPerDay );}
 595
 596   // all the rest
 597   if ( month == 0 || month == 2 || month == 4  || month == 6 ||
 598        month == 7  || month == 9 || month == 11 ) {return ( 31*msPerDay );}
 599
 600   // save February
 601   return ( (leap == 0) ?  28*msPerDay : 29*msPerDay );
 602 }
 603
 604
 605 function MakeDate( day, time )
 606 {
 607   if (day == Number.POSITIVE_INFINITY ||
 608        day == Number.NEGATIVE_INFINITY ||
 609        day == Number.NaN )
 610   {
 611     return Number.NaN;
 612   }
 613
 614   if ( time == Number.POSITIVE_INFINITY ||
 615         time == Number.POSITIVE_INFINITY ||
 616         day == Number.NaN)
 617   {
 618     return Number.NaN;
 619   }
 620
 621   return ( day * msPerDay ) + time;
 622 }
 623
 624
 625 function TimeClip( t )
 626 {
 627   if ( isNaN( t )) {return ( Number.NaN);}
 628   if ( Math.abs( t ) > 8.64e15 ) {return ( Number.NaN);}
 629
 630   return ( ToInteger( t ) );
 631 }
 632
 633
 634 function ToInteger( t )
 635 {
 636   t = Number( t );
 637
 638   if ( isNaN( t )) {return ( Number.NaN);}
 639
 640   if ( t == 0 || t == -0 ||
 641         t == Number.POSITIVE_INFINITY ||
 642         t == Number.NEGATIVE_INFINITY)
 643   {
 644     return 0;
 645   }
 646
 647   var sign = ( t < 0 ) ?  -1 : 1;
 648
 649   return ( sign * Math.floor( Math.abs( t ) ) );
 650 }
 651
 652
 653 function Enumerate( o )
 654 {
 655   var p;
 656   for ( p in o ) {print( p +  ": "  +  o[p] );}
 657 }
 658
 659
 660 /* these functions are useful for running tests manually in Rhino */
 661
 662 function GetContext()
 663 {
 664   return Packages.com.netscape.javascript.Context.getCurrentContext();
 665 }
 666
 667
 668 function OptLevel( i )
 669 {
 670   i = Number(i);
 671   var cx = GetContext();
 672   cx.setOptimizationLevel(i);
 673 }
 674
 675 /* end of Rhino functions */
 676