mirror of https://github.com/tc39/test262.git
36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
// 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: 9.2.8_4
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description: >
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Tests that the array returned by SupportedLocales is extensible,
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but its properties are non-writable/non-configurable.
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author: Norbert Lindenberg
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includes: [testIntl.js]
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---*/
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function testFrozenProperty(obj, property) {
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var desc = Object.getOwnPropertyDescriptor(obj, property);
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if (desc.writable) {
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$ERROR("Property " + property + " of object returned by SupportedLocales is writable.");
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}
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if (desc.configurable) {
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$ERROR("Property " + property + " of object returned by SupportedLocales is configurable.");
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}
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}
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testWithIntlConstructors(function (Constructor) {
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var defaultLocale = new Constructor().resolvedOptions().locale;
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var supported = Constructor.supportedLocalesOf([defaultLocale]);
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if (!Object.isExtensible(supported)) {
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$ERROR("Object returned by SupportedLocales is not extensible.");
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}
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for (var i = 0; i < supported.length; i++) {
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testFrozenProperty(supported, i);
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}
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testFrozenProperty(supported, "length");
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return true;
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});
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