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      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 //    addTestCase( now );
     60 
     61     addTestCase( TIME_YEAR_0 );
     62     addTestCase( TIME_1970 );
     63     addTestCase( TIME_1900 );
     64     addTestCase( TIME_2000 );
     65     addTestCase( UTC_FEB_29_2000 );
     66     addTestCase( UTC_JAN_1_2005 );
     67 
     68     testcases[tc++] = new TestCase( SECTION,
     69                                     "(new Date(NaN)).getTimezoneOffset()",
     70                                     NaN,
     71                                     (new Date(NaN)).getTimezoneOffset() );
     72 
     73     testcases[tc++] = new TestCase( SECTION,
     74                                     "Date.prototype.getTimezoneOffset.length",
     75                                     0,
     76                                     Date.prototype.getTimezoneOffset.length );
     77 
     78     test();
     79 function addTestCase( t ) {
     80     for ( m = 0; m <= 1000; m+=100 ) {
     81             t++;
     82             testcases[tc++] = new TestCase( SECTION,
     83                                     "(new Date("+t+")).getTimezoneOffset()",
     84                                     (t - LocalTime(t)) / msPerMinute,
     85                                     (new Date(t)).getTimezoneOffset() );
     86     }
     87 }
     88 function test() {
     89     for ( tc=0; tc < testcases.length; tc++ ) {
     90         testcases[tc].passed = writeTestCaseResult(
     91                             testcases[tc].expect,
     92                             testcases[tc].actual,
     93                             testcases[tc].description +" = "+
     94                             testcases[tc].actual );
     95 
     96         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
     97     }
     98     stopTest();
     99     return ( testcases );
    100 }
    101