mirror of https://github.com/tc39/test262.git
20 lines
702 B
JavaScript
20 lines
702 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: 15.2.3.10-3-5
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description: >
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Object.preventExtensions - indexed properties cannot be added into
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a String object
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---*/
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var strObj = new String();
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var preCheck = Object.isExtensible(strObj);
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Object.preventExtensions(strObj);
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assert.throws(TypeError, function() {
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Object.defineProperty(strObj, "0", { value: "c" });
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});
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assert(preCheck, 'preCheck !== true');
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assert.sameValue(strObj.hasOwnProperty("0"), false, 'strObj.hasOwnProperty("0")');
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assert.sameValue(typeof strObj[0], "undefined", 'typeof strObj[0]');
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