Home | History | Annotate | Download | only in Date 
      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 (at) 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 }
     91