Java example source code file (NASHORN-434.js)

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The NASHORN-434.js Java example source code

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 * 
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * NASHORN-434 : Callbacks to array iterator functions like forEach do not receive proper 'this' object
 *
 * @test
 * @run
 */

var global = this;

function func(val, idx, obj) {
    if (this !== global) {
        fail("#1 callback got 'this' different from global");
    }
} 

function strictFunc(val, idx, obj) {
    'use strict';

    if (this === global) {
        fail("#2 callback got global as 'this'");
    }

    if (this !== undefined) {
        fail("#3 callback 'this' is not undefined");
    }
}

var arr = [1];
arr.forEach(func); 
arr.forEach(strictFunc);

var callbackThis = {};
arr.forEach(function() {
    if (this !== callbackThis) {
        fail("#4 this !== callbackThis");
    }
}, callbackThis);