// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 10.6-7-1 description: > Arguments Object has length as its own property and does not invoke the setter defined on Object.prototype.length (Step 7) includes: [runTestCase.js] ---*/ function testcase() { try { var data = "data"; var getFunc = function () { return 12; }; var setFunc = function (value) { data = value; }; Object.defineProperty(Object.prototype, "length", { get: getFunc, set: setFunc, configurable: true }); var verifyValue = false; var argObj = (function () { return arguments })(); verifyValue = (argObj.length === 0); var verifyWritable = false; argObj.length = 1001; verifyWritable = (argObj.length === 1001); var verifyEnumerable = false; for (var p in argObj) { if (p === "length") { verifyEnumerable = true; } } var verifyConfigurable = false; delete argObj.length; verifyConfigurable = argObj.hasOwnProperty("length"); return verifyValue && verifyWritable && !verifyEnumerable && !verifyConfigurable && data === "data"; } finally { delete Object.prototype.length; } } runTestCase(testcase);