test262/test/built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-2-46.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: 15.2.3.3-2-46
description: >
    Object.getOwnPropertyDescriptor - TypeError exception was thrown
    when 'P' is an object that both toString and valueOf wouldn't
    return primitive value
includes: [runTestCase.js]
---*/

function testcase() {
        var obj = { "1": 1 };
        var toStringAccessed = false;
        var valueOfAccessed = false;

        var ownProp = {
            toString: function () {
                toStringAccessed = true;
                return [1];
            },
            valueOf: function () {
                valueOfAccessed = true;
                return [1];
            }
        };

        try {
            Object.getOwnPropertyDescriptor(obj, ownProp);
            return false;
        } catch (e) {
            return toStringAccessed && valueOfAccessed && e instanceof TypeError;
        }
    }
runTestCase(testcase);