| // 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 |
| es5id: 15.4.4.14-9-b-i-29 |
| description: > |
| Array.prototype.indexOf - side-effects are visible in subsequent |
| iterations on an Array-like object |
| ---*/ |
| |
| var preIterVisible = false; |
| var obj = { length: 2 }; |
| |
| Object.defineProperty(obj, "0", { |
| get: function () { |
| preIterVisible = true; |
| return false; |
| }, |
| configurable: true |
| }); |
| |
| Object.defineProperty(obj, "1", { |
| get: function () { |
| if (preIterVisible) { |
| return true; |
| } else { |
| return false; |
| } |
| }, |
| configurable: true |
| }); |
| |
| assert.sameValue(Array.prototype.indexOf.call(obj, true), 1, 'Array.prototype.indexOf.call(obj, true)'); |