test262/test/language/reserved-words/7.6.1-5-3.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: 7.6.1-5-3
description: >
    Allow reserved words as property names at object initialization,
    accessed via indexing: instanceof, typeof, else
includes: [runTestCase.js]
---*/

function testcase() {
        var tokenCodes  = { 
            instanceof: 0,
            typeof: 1,
            else: 2
        };
        var arr = [
            'instanceof',
            'typeof',
            'else'
        ];
        for (var i = 0; i < arr.length; i++) {
            if (tokenCodes[arr[i]] !== i) {
                return false;
            };
        }
        return true;
    }
runTestCase(testcase);