test/built-ins/Array/prototype/forEach/15.4.4.18-3-23.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

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.4.4.18-3-23
description: >
    Array.prototype.forEach uses inherited valueOf method when
    'length' is an object with an own toString and inherited valueOf
    methods
includes: [runTestCase.js]
---*/

function testcase() {

        var testResult = false;
        var valueOfAccessed = false;
        var toStringAccessed = false;

        function callbackfn(val, idx, obj) {
            testResult = (val > 10);
        }

        var proto = {
            valueOf: function () {
                valueOfAccessed = true;
                return 2;
            }
        };

        var Con = function () { };
        Con.prototype = proto;

        var child = new Con();

        child.toString = function () {
            toStringAccessed = true;
            return '1';
        };

        var obj = {
            1: 11,
            2: 9,
            length: child
        };

        Array.prototype.forEach.call(obj, callbackfn);

        return testResult && valueOfAccessed && !toStringAccessed;
    }
runTestCase(testcase);