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27 lines
800 B
JavaScript
27 lines
800 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: 15.2.3.6-4-165
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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 true after deleting properties with
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large index named if the [[Writable]] field of 'desc' is absent
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(15.4.5.1 step 3.h)
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---*/
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var arrObj = [0, 1];
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Object.defineProperty(arrObj, "length", {
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value: 1
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});
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var indexDeleted = !arrObj.hasOwnProperty("1");
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arrObj.length = 10;
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assert(indexDeleted, 'indexDeleted !== true');
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assert.sameValue(arrObj.length, 10, 'arrObj.length');
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