// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: >
    Refer 11.1.4; 
    The production
    ElementList : Elisionopt AssignmentExpression
    5.Call the [[DefineOwnProperty]] internal method of array with arguments ToString(firstIndex), the Property Descriptor { [[Value]]: initValue, [[Writable]]: true
    , [[Enumerable]]: true, [[Configurable]]: true}, and false.
es5id: 11.1.4_4-5-1
description: >
    Initialize array using ElementList (Elisionopt
    AssignmentExpression) when index property (read-only) exists in
    Array.prototype (step 5)
includes: [runTestCase.js]
---*/

function testcase() {
        try {
            Object.defineProperty(Array.prototype, "0", {
                value: 100,
                writable: false,
                configurable: true
            });
            var arr = [101];

            return arr.hasOwnProperty("0") && arr[0] === 101;
        } finally {
            delete Array.prototype[0];
        }
    }
runTestCase(testcase);