test262/test/suite/ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-a-4.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 ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-a-4.js
 * @description Array.prototype.indexOf - deleted properties in step 2 are visible here
 */


function testcase() {

        var arr = { 2: 6.99 };

        Object.defineProperty(arr, "length", {
            get: function () {
                delete arr[2];
                return 3;
            },
            configurable: true
        });

        return -1 === Array.prototype.indexOf.call(arr, 6.99);
    }
runTestCase(testcase);