test262/test/built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-2-47.js

// 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.

/*---
es5id: 15.2.3.3-2-47
description: >
    Object.getOwnPropertyDescriptor - uses inherited toString method
    when 'P' is an object with an own valueOf and inherited toString
    methods
includes: [runTestCase.js]
---*/

function testcase() {
        var proto = {};
        var valueOfAccessed = false;
        var toStringAccessed = false;

        proto.toString = function () {
            toStringAccessed = true;
            return "test";
        };

        var Con = function () { };
        Con.prototype = proto;

        var child = new Con();
        child.valueOf = function () {
            valueOfAccessed = true;
            return "10";
        };
        var obj = { "10": "length1", "test": "length2" };
        var desc = Object.getOwnPropertyDescriptor(obj, child);

        return desc.value === "length2" && toStringAccessed && !valueOfAccessed;
    }
runTestCase(testcase);