mirror of https://github.com/tc39/test262.git
28 lines
1.2 KiB
JavaScript
28 lines
1.2 KiB
JavaScript
// Copyright 2012 Mozilla Corporation. All rights reserved.
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// This code is governed by the license found in the LICENSE file.
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/*---
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es5id: 10.2.2_L15
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description: >
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Tests that Intl.Collator.supportedLocalesOf meets the
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requirements for built-in objects defined by the introduction of
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chapter 17 of the ECMAScript Language Specification.
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author: Norbert Lindenberg
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includes: [isConstructor.js]
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---*/
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assert.sameValue(Object.prototype.toString.call(Intl.Collator.supportedLocalesOf), "[object Function]",
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"The [[Class]] internal property of a built-in function must be " +
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"\"Function\".");
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assert(Object.isExtensible(Intl.Collator.supportedLocalesOf),
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"Built-in objects must be extensible.");
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assert.sameValue(Object.getPrototypeOf(Intl.Collator.supportedLocalesOf), Function.prototype);
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assert.sameValue(Intl.Collator.supportedLocalesOf.hasOwnProperty("prototype"), false,
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"Built-in functions that aren't constructors must not have a prototype property.");
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assert.sameValue(isConstructor(Intl.Collator.supportedLocalesOf), false,
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"Built-in functions don't implement [[Construct]] unless explicitly specified.");
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