15.2.3.7-6-a-159.js (660B)
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: 15.2.3.7-6-a-159 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is the length 8 property of 'O', the [[Value]] field of 'desc' equals to value of 9 the length property, test TypeError wouldn't be thrown when the 10 length property is not writable (15.4.5.1 step 3.f.i) 11 ---*/ 12 13 var arr = []; 14 15 Object.defineProperty(arr, "length", { 16 writable: false 17 }); 18 19 Object.defineProperties(arr, { 20 length: { 21 value: 0 22 } 23 }); 24 25 assert.sameValue(arr.length, 0, 'arr.length'); 26 27 reportCompare(0, 0);