nashorn/test/script/basic/JDK-8016618.js
author sundar
Wed, 21 Aug 2013 17:28:53 +0530
changeset 19619 4085b74056ee
parent 18334 47413e8d71b5
child 24738 be2026c9717c
permissions -rw-r--r--
8023368: Instance __proto__ property should exist and be writable. Reviewed-by: attila, hannesw
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/*
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 * 
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 * 
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 * 
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * JDK-8016618: script mirror object access should be improved
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 *
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 * @test
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 * @option -scripting
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 * @option -strict
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 * @run
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 */
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var global = loadWithNewGlobal({
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    name: "code",
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    script: <<EOF
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var x = 33;
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function func(x, y) {
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    print('func.x = ' + x);
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    print('func.x = ' + y)
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}; 
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var obj = {
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    foo: 'hello',
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    bar: 42
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};
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Object.defineProperty(obj, "bar",
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    { enumerable: false, writable: false });
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// return global
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this;
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EOF
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});
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// load on mirror with local object as argument
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global.load({ 
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    name: "code",
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    script: "print('x = ' + x)"
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});
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function f() {
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    // mirror function called with local arguments
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    global.func.apply(obj, arguments);
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}
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f(23, "hello");
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var fObject = global.eval("Object");
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// instanceof on mirrors
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print("global instanceof fObject? " + (global instanceof fObject));
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// Object API on mirrors
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var desc = Object.getOwnPropertyDescriptor(global, "x");
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print("x is wriable ? " + desc.writable);
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print("x value = " + desc.value);
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var proto = Object.getPrototypeOf(global);
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print("global's __proto__ " + proto);
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var obj = global.obj;
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var keys = Object.keys(obj);
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print("Object.keys on obj");
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for (var i in keys) {
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    print(keys[i]);
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}
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print("Object.getOwnProperties on obj");
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var keys = Object.getOwnPropertyNames(obj);
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for (var i in keys) {
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  print(keys[i]);
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}
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// mirror array access
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var array = global.eval("[334, 55, 65]");
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Array.prototype.forEach.call(array, function(elem) {
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    print("forEach " + elem)
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});
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print("reduceRight " + Array.prototype.reduceRight.call(array,
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    function(previousValue, currentValue, index, array) {
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        print("reduceRight cur value " + currentValue);
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        return previousValue + currentValue;
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}, 0));
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print("reduce " + Array.prototype.reduce.call(array,
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    function(previousValue, currentValue, index, array) {
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        print("reduce cur value " + currentValue);
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        return previousValue + currentValue;
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}, 0));
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print("forEach");
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Array.prototype.forEach.call(array, function(o) {
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   print(o);
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});
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print("Array.isArray(array)? " + Array.isArray(array));
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// try to write to a non-writable property of mirror
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try {
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   obj.bar = 33;
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} catch (e) {
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   print(e);
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}
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// mirror function called with local callback
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print("forEach on mirror");
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array.forEach(function(toto) {
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    print(toto);
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});