test/built-ins/Array/prototype/filter/15.4.4.20-9-c-iii-13.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

// 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: 15.4.4.20-9-c-iii-13
description: >
    Array.prototype.filter return value of callbackfn is a number
    (value is NaN)
includes: [runTestCase.js]
---*/

function testcase() {

        var accessed = false;

        function callbackfn(val, idx, obj) {
            accessed = true;
            return NaN;
        }

        var newArr = [11].filter(callbackfn);
        return newArr.length === 0 && accessed;
    }
runTestCase(testcase);