test/built-ins/Array/prototype/map/15.4.4.19-9-8.js


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

/*---
es5id: 15.4.4.19-9-8
description: >
    Array.prototype.map - empty array to be returned if 'length' is 0
    (subclassed Array, length overridden to 0 (type conversion))
includes: [runTestCase.js]
---*/

function testcase() {

        var accessed = false;

        function callbackfn(val, idx, obj) {
            accessed = true;
            return val > 10;
        }

        var Foo = function () { };
        Foo.prototype = [1, 2, 3];
        var obj = new Foo();
        obj.length = 0;

        var testResult = Array.prototype.map.call(obj, callbackfn);
        return testResult.length === 0;

    }
runTestCase(testcase);