| // 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.foreach |
| es5id: 15.4.4.18-3-22 |
| description: > |
| Array.prototype.forEach throws TypeError exception when 'length' |
| is an object with toString and valueOf methods that don�t return |
| primitive values |
| ---*/ |
| |
| var accessed = false; |
| var firstStepOccured = false; |
| var secondStepOccured = false; |
| |
| function callbackfn(val, idx, obj) { |
| accessed = true; |
| } |
| |
| var obj = { |
| 1: 11, |
| 2: 12, |
| |
| length: { |
| valueOf: function () { |
| firstStepOccured = true; |
| return {}; |
| }, |
| toString: function () { |
| secondStepOccured = true; |
| return {}; |
| } |
| } |
| }; |
| assert.throws(TypeError, function() { |
| Array.prototype.forEach.call(obj, callbackfn); |
| }); |
| assert.sameValue(accessed, false, 'accessed'); |