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/**
 * @path chapter15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-199.js
 * @description Object.defineProperties - 'O' is an Array, 'P' is an array index named property, 'P' property doesn't exist in 'O', test [[Configurable]] of 'P' property in 'Attributes' is set as false value if [[Configurable]] is absent in data descriptor 'desc'  (15.4.5.1 step 4.c)
 */


function testcase() {
        var arr = [];
        var beforeDeleted = false;
        var afterDeleted = false;

        Object.defineProperties(arr, {
            "0": {
                value: 1001,
                writable: true,
                enumerable: true
            }
        });

        beforeDeleted = arr.hasOwnProperty("0");
        delete arr[0];
        afterDeleted = arr.hasOwnProperty("0");
        return beforeDeleted && afterDeleted && arr[0] === 1001;
    }
runTestCase(testcase);