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:  * @path ch10/10.6/10.6-7-1.js
michael@0:  * @description Arguments Object has length as its own property and does not invoke the setter defined on Object.prototype.length (Step 7)
michael@0:  */
michael@0: 
michael@0: 
michael@0: function testcase() {
michael@0:         try {
michael@0:             var data = "data";
michael@0:             var getFunc = function () {
michael@0:                 return 12;
michael@0:             };
michael@0: 
michael@0:             var setFunc = function (value) {
michael@0:                 data = value;
michael@0:             };
michael@0: 
michael@0:             Object.defineProperty(Object.prototype, "length", {
michael@0:                 get: getFunc,
michael@0:                 set: setFunc,
michael@0:                 configurable: true
michael@0:             });
michael@0: 
michael@0:             var verifyValue = false;
michael@0:             var argObj = (function () { return arguments })();
michael@0:             verifyValue = (argObj.length === 0);
michael@0: 
michael@0:             var verifyWritable = false;
michael@0:             argObj.length = 1001;
michael@0:             verifyWritable = (argObj.length === 1001);
michael@0: 
michael@0:             var verifyEnumerable = false;
michael@0:             for (var p in argObj) {
michael@0:                 if (p === "length") {
michael@0:                     verifyEnumerable = true;
michael@0:                 }
michael@0:             }
michael@0: 
michael@0:             var verifyConfigurable = false;
michael@0:             delete argObj.length;
michael@0:             verifyConfigurable = argObj.hasOwnProperty("length");
michael@0: 
michael@0:             return verifyValue && verifyWritable && !verifyEnumerable && !verifyConfigurable && data === "data";
michael@0:         } finally {
michael@0:             delete Object.prototype.length;
michael@0:         }
michael@0:     }
michael@0: runTestCase(testcase);