mirror of https://github.com/tc39/test262.git
23 lines
645 B
JavaScript
23 lines
645 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: 15.2.3.14-5-a-4
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description: >
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Object.keys - Verify that 'configurable' attribute of element of
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returned array is correct
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var obj = { prop1: 100 };
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var array = Object.keys(obj);
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var desc = Object.getOwnPropertyDescriptor(array, "0");
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delete array[0];
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return typeof array[0] === "undefined" && desc.hasOwnProperty("configurable") && desc.configurable === true;
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}
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runTestCase(testcase);
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