| // 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.indexof |
| description: > |
| Array.prototype.indexOf - decreasing length of array with |
| prototype property causes prototype index property to be visited |
| ---*/ |
| |
| var arr = [0, 1, 2]; |
| |
| Object.defineProperty(Array.prototype, "2", { |
| get: function() { |
| return "prototype"; |
| }, |
| configurable: true |
| }); |
| |
| Object.defineProperty(arr, "1", { |
| get: function() { |
| arr.length = 2; |
| return 1; |
| }, |
| configurable: true |
| }); |
| |
| assert.sameValue(arr.indexOf("prototype"), 2, 'arr.indexOf("prototype")'); |