tests/mozilla/ecma/Date/15.9.5.22-8.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     File Name:          15.9.5.22.js
  24     ECMA Section:       15.9.5.22
  25     Description:        Date.prototype.getTimezoneOffset
  26
  27     Returns the difference between local time and UTC time in minutes.
  28     1.  Let t be this time value.
  29     2.  If t is NaN, return NaN.
  30     3.  Return (t - LocalTime(t)) / msPerMinute.
  31
  32     Author:             christine@netscape.com
  33     Date:               12 november 1997
  34 */
  35
  36     var SECTION = "15.9.5.22";
  37     var VERSION = "ECMA_1";
  38     startTest();
  39     var TITLE   = "Date.prototype.getTimezoneOffset()";
  40
  41     writeHeaderToLog( SECTION + " "+ TITLE);
  42
  43     var testcases = new Array();
  44
  45     var TZ_ADJUST = TZ_DIFF * msPerHour;
  46
  47     // get the current time
  48     var now = (new Date()).valueOf();
  49
  50     // get time for 29 feb 2000
  51
  52     var UTC_FEB_29_2000 = TIME_2000 + 31*msPerDay + 28*msPerHour;
  53
  54     // get time for 1 jan 2005
  55
  56     var UTC_JAN_1_2005 = TIME_2000 + TimeInYear(2000)+TimeInYear(2001)+
  57     TimeInYear(2002)+TimeInYear(2003)+TimeInYear(2004);
  58
  59     testcases[tc++] = new TestCase( SECTION,
  60                                     "(new Date(NaN)).getTimezoneOffset()",
  61                                     NaN,
  62                                     (new Date(NaN)).getTimezoneOffset() );
  63
  64     testcases[tc++] = new TestCase( SECTION,
  65                                     "Date.prototype.getTimezoneOffset.length",
  66                                     0,
  67                                     Date.prototype.getTimezoneOffset.length );
  68     test();
  69 function addTestCase( t ) {
  70     for ( m = 0; m <= 1000; m+=100 ) {
  71             t++;
  72             testcases[tc++] = new TestCase( SECTION,
  73                                     "(new Date("+t+")).getTimezoneOffset()",
  74                                     (t - LocalTime(t)) / msPerMinute,
  75                                     (new Date(t)).getTimezoneOffset() );
  76     }
  77 }
  78 function test() {
  79     for ( tc=0; tc < testcases.length; tc++ ) {
  80         testcases[tc].passed = writeTestCaseResult(
  81                             testcases[tc].expect,
  82                             testcases[tc].actual,
  83                             testcases[tc].description +" = "+
  84                             testcases[tc].actual );
  85
  86         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
  87     }
  88     stopTest();
  89     return ( testcases );
  90 }