| // 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.filter |
| description: > |
| Array.prototype.filter - 'length' is an object that has an own |
| valueOf method that returns an object and toString method that |
| returns a string |
| ---*/ |
| |
| var firstStepOccured = false; |
| var secondStepOccured = false; |
| |
| function callbackfn(val, idx, obj) { |
| return true; |
| } |
| |
| var obj = { |
| 1: 11, |
| 2: 9, |
| length: { |
| valueOf: function() { |
| firstStepOccured = true; |
| return {}; |
| }, |
| toString: function() { |
| secondStepOccured = true; |
| return '2'; |
| } |
| } |
| }; |
| |
| var newArr = Array.prototype.filter.call(obj, callbackfn); |
| |
| assert.sameValue(newArr.length, 1, 'newArr.length'); |
| assert.sameValue(newArr[0], 11, 'newArr[0]'); |
| assert(firstStepOccured, 'firstStepOccured !== true'); |
| assert(secondStepOccured, 'secondStepOccured !== true'); |