/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-217.js * @description Object.defineProperty - 'O' is an Array, 'name' is an array index property, both the [[Value]] field of 'desc' and the [[Value]] attribute value of 'name' are NaN (15.4.5.1 step 4.c) */ function testcase() { var arrObj = []; Object.defineProperty(arrObj, "0", { value: NaN }); Object.defineProperty(arrObj, "0", { value: NaN }); var hasProperty = arrObj.hasOwnProperty("0"); var verifyValue = (arrObj[0] !== arrObj[0]); var verifyWritable = false; arrObj[0] = 1001; verifyWritable = arrObj[0] !== 1001 && arrObj[0] !== arrObj[0]; var verifyEnumerable = false; for (var p in arrObj) { if (p === "0") { verifyEnumerable = true; } } var verifyConfigurable = false; delete arrObj[0]; verifyConfigurable = arrObj.hasOwnProperty("0"); return hasProperty && verifyValue && verifyWritable && !verifyEnumerable && verifyConfigurable; } runTestCase(testcase);