// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.6-2-48 description: > Object.defineProperty - an inherited toString method is invoked when 'P' is an object with an own valueOf and an inherited toString methods includes: [runTestCase.js] ---*/ function testcase() { var obj = {}; var toStringAccessed = false; var valueOfAccessed = false; var proto = { toString: function () { toStringAccessed = true; return "test"; } }; var ConstructFun = function () { }; ConstructFun.prototype = proto; var child = new ConstructFun(); child.valueOf = function () { valueOfAccessed = true; return "10"; }; Object.defineProperty(obj, child, {}); return obj.hasOwnProperty("test") && !valueOfAccessed && toStringAccessed; } runTestCase(testcase);