michael@0: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
michael@0: /// Ecma International makes this code available under the terms and conditions set
michael@0: /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
michael@0: /// "Use Terms").   Any redistribution of this code must retain the above 
michael@0: /// copyright and this notice and otherwise comply with the Use Terms.
michael@0: /**
michael@0:  * Refer 11.1.4; 
michael@0:  * The production
michael@0:  * ElementList : ElementList , Elisionopt AssignmentExpression
michael@0:  * 6.Call the [[DefineOwnProperty]] internal method of array with arguments ToString(ToUint32((pad+len)) and the Property Descriptor { [[Value]]: initValue
michael@0:  *     , [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true}, and false.
michael@0:  *
michael@0:  * @path ch11/11.1/11.1.4/11.1.4_5-6-1.js
michael@0:  * @description Initialize array using ElementList (ElementList , Elisionopt AssignmentExpression) when index property (read-only) exists in Array.prototype (step 6)
michael@0:  */
michael@0: 
michael@0: 
michael@0: function testcase() {
michael@0:         try {
michael@0:             Object.defineProperty(Array.prototype, "1", {
michael@0:                 value: 100,
michael@0:                 writable: false,
michael@0:                 configurable: true
michael@0:             });
michael@0:             var arr = [101, 12];
michael@0: 
michael@0:             return arr.hasOwnProperty("1") && arr[1] === 12;
michael@0:         } finally {
michael@0:             delete Array.prototype[1];
michael@0:         }
michael@0:     }
michael@0: runTestCase(testcase);