| // 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); |
| |
