gecko-dev/js/tests/ecma/Date/15.9.5.22-8.js

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JavaScript

/* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released March
* 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
/**
File Name: 15.9.5.22.js
ECMA Section: 15.9.5.22
Description: Date.prototype.getTimezoneOffset
Returns the difference between local time and UTC time in minutes.
1. Let t be this time value.
2. If t is NaN, return NaN.
3. Return (t - LocalTime(t)) / msPerMinute.
Author: christine@netscape.com
Date: 12 november 1997
*/
var SECTION = "15.9.5.22";
var VERSION = "ECMA_1";
startTest();
var TITLE = "Date.prototype.getTimezoneOffset()";
writeHeaderToLog( SECTION + " "+ TITLE);
var testcases = new Array();
var TZ_ADJUST = TZ_DIFF * msPerHour;
// get the current time
var now = (new Date()).valueOf();
// calculate time for year 0
for ( var time = 0, year = 1969; year >= 0; year-- ) {
time -= TimeInYear(year);
}
// get time for 29 feb 2000
var UTC_FEB_29_2000 = TIME_2000 + 31*msPerDay + 28*msPerHour;
// get time for 1 jan 2005
var UTC_JAN_1_2005 = TIME_2000 + TimeInYear(2000)+TimeInYear(2001)+
TimeInYear(2002)+TimeInYear(2003)+TimeInYear(2004);
testcases[tc++] = new TestCase( SECTION,
"(new Date(NaN)).getTimezoneOffset()",
NaN,
(new Date(NaN)).getTimezoneOffset() );
testcases[tc++] = new TestCase( SECTION,
"Date.prototype.getTimezoneOffset.length",
0,
Date.prototype.getTimezoneOffset.length );
test();
function addTestCase( t ) {
for ( m = 0; m <= 1000; m+=100 ) {
t++;
testcases[tc++] = new TestCase( SECTION,
"(new Date("+t+")).getTimezoneOffset()",
(t - LocalTime(t)) / msPerMinute,
(new Date(t)).getTimezoneOffset() );
}
}
function test() {
for ( tc=0; tc < testcases.length; tc++ ) {
testcases[tc].passed = writeTestCaseResult(
testcases[tc].expect,
testcases[tc].actual,
testcases[tc].description +" = "+
testcases[tc].actual );
testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
}
stopTest();
return ( testcases );
}