15.2.3.6-4-166.js (838B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.6-4-166 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is the length 8 property of 'O', the [[Value]] field of 'desc' is less than value 9 of the length property, test the [[Writable]] attribute of the 10 length property is set to true after deleting properties with 11 large index named if the [[Writable]] field of 'desc' is true 12 (15.4.5.1 step 3.h) 13 ---*/ 14 15 var arrObj = [0, 1]; 16 17 Object.defineProperty(arrObj, "length", { 18 value: 1, 19 writable: true 20 }); 21 22 var indexDeleted = !arrObj.hasOwnProperty("1"); 23 24 arrObj.length = 10; 25 26 assert(indexDeleted, 'indexDeleted !== true'); 27 assert.sameValue(arrObj.length, 10, 'arrObj.length'); 28 29 reportCompare(0, 0);