/// Copyright (c) 2012 Ecma International.  All rights reserved. 
/**
 * @path ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-188.js
 * @description Object.defineProperties - 'O' is an Array, 'P' is an array index named property, 'P' is own data property that overrides an inherited data property  (15.4.5.1 step 4.c)
 */


function testcase() {
        try {
            Object.defineProperty(Array.prototype, "0", {
                value: 11,
                configurable: true
            });

            var arr = [];
            Object.defineProperty(arr, "0", {
                value: 12,
                configurable: false
            });

            Object.defineProperties(arr, {
                "0": {
                    configurable: true
                }
            });
            return false;
        } catch (e) {
            return e instanceof TypeError && arr[0] === 12 && Array.prototype[0] === 11;
        } finally {
            delete Array.prototype[0];
        }
    }
runTestCase(testcase);
