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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.NumberFormat can be subclassed.

  * @author Norbert Lindenberg

  */

 $INCLUDE("testIntl.js");

 // get a number format and have it format an array of numbers for comparison with the subclass

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

 var a = [0, 1, -1, -123456.789, -Infinity, NaN];

 var referenceNumberFormat = new Intl.NumberFormat(locales);

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

 function MyNumberFormat(locales, options) {

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

     // could initialize MyNumberFormat properties

 }

 MyNumberFormat.prototype = Object.create(Intl.NumberFormat.prototype);

 MyNumberFormat.prototype.constructor = MyNumberFormat;

 // could add methods to MyNumberFormat.prototype

 var format = new MyNumberFormat(locales);

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

 testArraysAreSame(referenceFormatted, actual);