test/suite/ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-8-c-4.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

/// 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.
/**
 * @path ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-8-c-4.js
 * @description Array.prototype.reduceRight doesn't throw error when array has no own properties but prototype contains a single property
 */


function testcase() {

        var arr = [, , , ];

        try {
            Array.prototype[1] = "prototype";
            arr.reduceRight(function () { });
            return true;
        } catch (ex) {
            return false;
        } finally {
            delete Array.prototype[1];
        }
    }
runTestCase(testcase);