// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 8.12.5-3-b_2 description: > Changing the value of a data property should not affect it's non-value property descriptor attributes. includes: [runTestCase.js] ---*/ function testcase() { var tempObj = {}; Object.defineProperty(tempObj, "reduce", { value:456, enumerable:false, writable:true}); 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 (i==="value") { if (origDesc[i]===newDesc[i]) { return false; } } else if (origDesc[i]!==newDesc[i]) { return false; } } } return true; } finally { tempObj.reduce = origReduce; } } runTestCase(testcase);