/// 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 ch10/10.6/10.6-11-b-1.js * @description Arguments Object has index property '0' as its own property, it shoulde be writable, enumerable, configurable and does not invoke the setter defined on Object.prototype[0] (Step 11.b) */ function testcase() { try { var data = "data"; var getFunc = function () { return data; }; var setFunc = function (value) { data = value; }; Object.defineProperty(Object.prototype, "0", { get: getFunc, set: setFunc, configurable: true }); var argObj = (function () { return arguments })(1); var verifyValue = false; verifyValue = (argObj[0] === 1); var verifyEnumerable = false; for (var p in argObj) { if (p === "0" && argObj.hasOwnProperty("0")) { verifyEnumerable = true; } } var verifyWritable = false; argObj[0] = 1001; verifyWritable = (argObj[0] === 1001); var verifyConfigurable = false; delete argObj[0]; verifyConfigurable = argObj.hasOwnProperty("0"); return verifyValue && verifyWritable && verifyEnumerable && !verifyConfigurable && data === "data"; } finally { delete Object.prototype[0]; } } runTestCase(testcase);