test/built-ins/Array/prototype/map/15.4.4.19-2-15.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
es5id: 15.4.4.19-2-15
description: >
    Array.prototype.map - when 'length' is property of the global
    object
includes:
    - runTestCase.js
    - fnGlobalObject.js
---*/

function testcase() {
        function callbackfn(val, idx, obj) {
            return val > 10;
        }

        try {
            var oldLen = fnGlobalObject().length;
            fnGlobalObject()[0] = 12;
            fnGlobalObject()[1] = 11;
            fnGlobalObject()[2] = 9;
            fnGlobalObject().length = 2;
            var testResult = Array.prototype.map.call(fnGlobalObject(), callbackfn);
            return testResult.length === 2;
        } finally {
            delete fnGlobalObject()[0];
            delete fnGlobalObject()[1];
            delete fnGlobalObject()[2];
            fnGlobalObject().length = oldLen;
        }
    }
runTestCase(testcase);