| // 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.map |
| description: > |
| Array.prototype.map - empty array to be returned if 'length' is 0 |
| (subclassed Array, length overridden to null (type conversion)) |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| return val > 10; |
| } |
| |
| var Foo = function() {}; |
| Foo.prototype = [1, 2, 3]; |
| var obj = new Foo(); |
| obj.length = null; |
| |
| var testResult = Array.prototype.map.call(obj, callbackfn); |
| |
| assert.sameValue(testResult.length, 0, 'testResult.length'); |
