test/built-ins/Array/prototype/reduce/15.4.4.21-8-b-1.js


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// 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: 15.4.4.21-8-b-1
description: Array.prototype.reduce - no observable effects occur if 'len' is 0
includes: [runTestCase.js]
---*/

function testcase() {

        var accessed = false;

        var obj = { length: 0 };

        Object.defineProperty(obj, "0", {
            get: function () {
                accessed = true;
                return 10;
            },
            configurable: true
        });

        try {
            Array.prototype.reduce.call(obj, function () { });
            return false;
        } catch (ex) {
            return !accessed;
        }
    }
runTestCase(testcase);