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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@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();
79function 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}
88function 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