| // 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 - calling with no callbackfn is the same as |
| passing undefined for callbackfn |
| ---*/ |
| |
| var obj = { |
| 10: 10 |
| }; |
| var lengthAccessed = false; |
| var loopAccessed = false; |
| Object.defineProperty(obj, "length", { |
| get: function() { |
| lengthAccessed = true; |
| return 20; |
| }, |
| configurable: true |
| }); |
| Object.defineProperty(obj, "0", { |
| get: function() { |
| loopAccessed = true; |
| return 10; |
| }, |
| configurable: true |
| }); |
| assert.throws(TypeError, function() { |
| Array.prototype.filter.call(obj); |
| }); |
| assert(lengthAccessed, 'lengthAccessed !== true'); |
| assert.sameValue(loopAccessed, false, 'loopAccessed'); |