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32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// Ecma International makes this code available under the terms and conditions set
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// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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// "Use Terms"). Any redistribution of this code must retain the above
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// copyright and this notice and otherwise comply with the Use Terms.
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/*---
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es5id: 15.2.3.6-4-181
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description: >
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Object.defineProperty - 'O' is an Array, 'name' is the length
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property of 'O', the [[Value]] field of 'desc' is less than value
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of the length property, test the [[Writable]] attribute of the
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length property is set to false at last when the [[Writable]]
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field of 'desc' is false and 'O' doesn't contain non-configurable
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large index named property (15.4.5.1 step 3.m)
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var arrObj = [0, 1];
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Object.defineProperty(arrObj, "length", {
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value: 0,
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writable: false
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});
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arrObj.length = 10; //try to overwrite length value of arr
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return !arrObj.hasOwnProperty("1") && arrObj.length === 0;
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}
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runTestCase(testcase);
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