test262/test/suite/ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-9-7.js

/// 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.
/**
 * @path ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-9-7.js
 * @description Array.prototype.reduce stops calling callbackfn once the array is deleted during the call
 */


function testcase() {
        function callbackfn(prevVal, curVal, idx, obj) {
            delete o.arr;
            return prevVal + curVal;
        }

        var o = new Object();
        o.arr = ['1', 2, 3, 4, 5];
        return o.arr.reduce(callbackfn) === "12345" && !o.hasOwnProperty("arr");
    }
runTestCase(testcase);