15.2.3.6-4-159.js (797B)
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: 15.2.3.6-4-159 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is the length 8 property of 'O', set the [[Value]] field of 'desc' to a value 9 greater than the existing value of length (15.4.5.1 step 3.f) 10 ---*/ 11 12 var arrObj = [0, , 2]; 13 14 Object.defineProperty(arrObj, "length", { 15 value: 5 16 }); 17 18 assert.sameValue(arrObj.length, 5, 'arrObj.length'); 19 assert.sameValue(arrObj[0], 0, 'arrObj[0]'); 20 assert.sameValue(arrObj.hasOwnProperty("1"), false, 'arrObj.hasOwnProperty("1")'); 21 assert.sameValue(arrObj[2], 2, 'arrObj[2]'); 22 assert.sameValue(arrObj.hasOwnProperty("4"), false, 'arrObj.hasOwnProperty("4")'); 23 24 reportCompare(0, 0);