/// 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); |