mirror of https://github.com/tc39/test262.git
30 lines
1.1 KiB
JavaScript
30 lines
1.1 KiB
JavaScript
// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
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// Copyright 2012 Mozilla Corporation. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es5id: 12.1.2
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description: Tests that Intl.DateTimeFormat can be subclassed.
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author: Norbert Lindenberg
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includes: [testIntl.js]
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---*/
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// get a date-time format and have it format an array of dates for comparison with the subclass
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var locales = ["tlh", "id", "en"];
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var a = [new Date(0), Date.now(), new Date(Date.parse("1989-11-09T17:57:00Z"))];
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var referenceDateTimeFormat = new Intl.DateTimeFormat(locales);
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var referenceFormatted = a.map(referenceDateTimeFormat.format);
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function MyDateTimeFormat(locales, options) {
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Intl.DateTimeFormat.call(this, locales, options);
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// could initialize MyDateTimeFormat properties
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}
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MyDateTimeFormat.prototype = Object.create(Intl.DateTimeFormat.prototype);
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MyDateTimeFormat.prototype.constructor = MyDateTimeFormat;
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// could add methods to MyDateTimeFormat.prototype
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var format = new MyDateTimeFormat(locales);
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var actual = a.map(format.format);
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testArraysAreSame(referenceFormatted, actual);
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