// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.6-4-252 description: > Object.defineProperty - 'O' is an Array, 'name' is an array index named property, 'name' is accessor property and 'desc' is accessor descriptor, and the [[Configurable]] attribute value of 'name' is false, test TypeError is thrown if the [[Set]] field of 'desc' is present, and the [[Set]] field of 'desc' and the [[Set]] attribute value of 'name' are two objects which refer to the different objects (15.4.5.1 step 4.c) includes: [propertyHelper.js] ---*/ var arrObj = []; function setFunc(value) { arrObj.setVerifyHelpProp = value; } Object.defineProperty(arrObj, "1", { set: setFunc }); try { Object.defineProperty(arrObj, "1", { set: function () { } }); $ERROR("Expected an exception."); } catch (e) { verifyWritable(arrObj, "1", "setVerifyHelpProp"); verifyNotEnumerable(arrObj, "1"); verifyNotConfigurable(arrObj, "1"); if (!(e instanceof TypeError)) { $ERROR("Expected TypeError, got " + e); } }