| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-array.prototype.some |
| description: > |
| Array.prototype.some - deleting own property with prototype |
| property causes prototype index property to be visited on an Array |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| if (idx === 1 && val === 1) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| var arr = [0, 111, 2]; |
| |
| Object.defineProperty(arr, "0", { |
| get: function() { |
| delete arr[1]; |
| return 0; |
| }, |
| configurable: true |
| }); |
| |
| Array.prototype[1] = 1; |
| |
| assert(arr.some(callbackfn), 'arr.some(callbackfn) !== true'); |
