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: 11.1.2
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description: Tests that Intl.NumberFormat 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 number format and have it format an array of numbers for comparison with the subclass
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var locales = ["tlh", "id", "en"];
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var a = [0, 1, -1, -123456.789, -Infinity, NaN];
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var referenceNumberFormat = new Intl.NumberFormat(locales);
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var referenceFormatted = a.map(referenceNumberFormat.format);
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function MyNumberFormat(locales, options) {
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Intl.NumberFormat.call(this, locales, options);
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// could initialize MyNumberFormat properties
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}
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MyNumberFormat.prototype = Object.create(Intl.NumberFormat.prototype);
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MyNumberFormat.prototype.constructor = MyNumberFormat;
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// could add methods to MyNumberFormat.prototype
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var format = new MyNumberFormat(locales);
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var actual = a.map(format.format);
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testArraysAreSame(referenceFormatted, actual);
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