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 // Copyright 2011-2012 Norbert Lindenberg. All rights reserved.

 // Copyright 2012 Mozilla Corporation. All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * @description Tests that Intl.DateTimeFormat can be subclassed.

  * @author Norbert Lindenberg

  */

 $INCLUDE("testIntl.js");

 // get a date-time format and have it format an array of dates for comparison with the subclass

 var locales = ["tlh", "id", "en"];

 var a = [new Date(0), Date.now(), new Date(Date.parse("1989-11-09T17:57:00Z"))];

 var referenceDateTimeFormat = new Intl.DateTimeFormat(locales);

 var referenceFormatted = a.map(referenceDateTimeFormat.format);

 function MyDateTimeFormat(locales, options) {

     Intl.DateTimeFormat.call(this, locales, options);

     // could initialize MyDateTimeFormat properties

 }

 MyDateTimeFormat.prototype = Object.create(Intl.DateTimeFormat.prototype);

 MyDateTimeFormat.prototype.constructor = MyDateTimeFormat;

 // could add methods to MyDateTimeFormat.prototype

 var format = new MyDateTimeFormat(locales);

 var actual = a.map(format.format);

 testArraysAreSame(referenceFormatted, actual);