15.2.3.6-4-164.js (681B)
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: 15.2.3.6-4-164 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 TypeError is thrown when the 10 [[Writable]] attribute of the length property is false (15.4.5.1 11 step 3.g) 12 ---*/ 13 14 var arrObj = [0, 1]; 15 16 Object.defineProperty(arrObj, "length", { 17 writable: false 18 }); 19 assert.throws(TypeError, function() { 20 Object.defineProperty(arrObj, "length", { 21 value: 0 22 }); 23 }); 24 25 reportCompare(0, 0);