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

37 lines
1.0 KiB
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.3-2-47
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);