15.2.3.7-6-a-193.js (878B)
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-193 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is an array index 8 named property, 'P' is own accessor property that overrides an 9 inherited accessor property (15.4.5.1 step 4.c) 10 ---*/ 11 12 var arr = []; 13 14 assert.throws(TypeError, function() { 15 Object.defineProperty(Array.prototype, "0", { 16 get: function() { 17 return 11; 18 }, 19 configurable: true 20 }); 21 22 Object.defineProperty(arr, "0", { 23 get: function() { 24 return 12; 25 }, 26 configurable: false 27 }); 28 29 Object.defineProperties(arr, { 30 "0": { 31 configurable: true 32 } 33 }); 34 }); 35 assert.sameValue(arr[0], 12, 'arr[0]'); 36 assert.sameValue(Array.prototype[0], 11, 'Array.prototype[0]'); 37 38 reportCompare(0, 0);