/// 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 ch08/8.12/8.12.5/8.12.5-5-b_1.js * @description Changing the value of an accessor property should not affect it's property descriptor attributes. */ function testcase() { var tempObj = {}; Object.defineProperty(tempObj, "reduce", { get: function() {return 456;}, enumerable:false, set: function() {;}}); var origReduce = tempObj.reduce; var origDesc = Object.getOwnPropertyDescriptor(tempObj, "reduce"); var newDesc; try { tempObj.reduce = 123; newDesc = Object.getOwnPropertyDescriptor(tempObj, "reduce"); var descArray = [origDesc, newDesc]; for (var j in descArray) { for (var i in descArray[j]) { if (origDesc[i]!==newDesc[i]) { return false; } } } return tempObj.reduce===456; } finally { tempObj.reduce = origReduce; } } runTestCase(testcase);