test/built-ins/Array/prototype/reduceRight/15.4.4.22-3-21.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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53

// 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: 15.4.4.22-3-21
description: >
    Array.prototype.reduceRight - 'length' is an object that has an
    own valueOf method that returns an object and toString method that
    returns a string
includes: [runTestCase.js]
---*/

function testcase() {

        var testResult1 = true;
        var testResult2 = false;
        function callbackfn(prevVal, curVal, idx, obj) {
            if (idx > 1) {
                testResult1 = false;
            }

            if (idx === 1) {
                testResult2 = true;
            }
            return false;
        }

        var toStringAccessed = false;
        var valueOfAccessed = false;

        var obj = {
            0: 12,
            1: 11,
            2: 9,
            length: {
                valueOf: function () {
                    valueOfAccessed = true;
                    return {};
                },
                toString: function () {
                    toStringAccessed = true;
                    return '2';
                }
            }
        };

        Array.prototype.reduceRight.call(obj, callbackfn, 1);
        return testResult1 && testResult2 && valueOfAccessed && toStringAccessed;
    }
runTestCase(testcase);