mirror of https://github.com/tc39/test262.git
21 lines
510 B
JavaScript
21 lines
510 B
JavaScript
// Copyright (c) 2012 Ecma International. 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: 15.2.3.10-3-7
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description: >
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Object.preventExtensions - indexed properties cannot be added into
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a Number object
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includes: [propertyHelper.js]
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---*/
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var obj = new Number(123);
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assert(Object.isExtensible(obj));
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Object.preventExtensions(obj);
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assert(!Object.isExtensible(obj));
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verifyNotWritable(obj, "0", "nocheck");
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assert(!obj.hasOwnProperty("0"));
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