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1 // Copyright 2011-2012 Norbert Lindenberg. All rights reserved. |
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2 // Copyright 2012 Mozilla Corporation. All rights reserved. |
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3 // This code is governed by the BSD license found in the LICENSE file. |
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4 |
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5 /** |
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6 * @description Tests that Intl.DateTimeFormat can be subclassed. |
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7 * @author Norbert Lindenberg |
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8 */ |
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9 |
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10 $INCLUDE("testIntl.js"); |
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11 |
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12 // get a date-time format and have it format an array of dates for comparison with the subclass |
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13 var locales = ["tlh", "id", "en"]; |
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14 var a = [new Date(0), Date.now(), new Date(Date.parse("1989-11-09T17:57:00Z"))]; |
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15 var referenceDateTimeFormat = new Intl.DateTimeFormat(locales); |
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16 var referenceFormatted = a.map(referenceDateTimeFormat.format); |
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17 |
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18 function MyDateTimeFormat(locales, options) { |
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19 Intl.DateTimeFormat.call(this, locales, options); |
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20 // could initialize MyDateTimeFormat properties |
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21 } |
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22 |
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23 MyDateTimeFormat.prototype = Object.create(Intl.DateTimeFormat.prototype); |
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24 MyDateTimeFormat.prototype.constructor = MyDateTimeFormat; |
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25 // could add methods to MyDateTimeFormat.prototype |
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26 |
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27 var format = new MyDateTimeFormat(locales); |
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28 var actual = a.map(format.format); |
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29 testArraysAreSame(referenceFormatted, actual); |
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30 |