1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8016618: script mirror object access should be improved
  26  *
  27  * @test
  28  * @option -scripting
  29  * @option -strict
  30  * @run
  31  */
  32 
  33 var global = loadWithNewGlobal({
  34     name: "code",
  35     script: <<EOF
  36 var x = 33;
  37 
  38 function func(x, y) {
  39     print('func.x = ' + x);
  40     print('func.x = ' + y)
  41 };
  42 
  43 var obj = {
  44     foo: 'hello',
  45     bar: 42
  46 };
  47 
  48 Object.defineProperty(obj, "bar",
  49     { enumerable: false, writable: false });
  50 
  51 // return global
  52 this;
  53 EOF
  54 });
  55 
  56 // load on mirror with local object as argument
  57 global.load({
  58     name: "code",
  59     script: "print('x = ' + x)"
  60 });
  61 
  62 function f() {
  63     // mirror function called with local arguments
  64     //    global.func.apply(obj, arguments);
  65     global.func.apply(obj, arguments);
  66 }
  67 
  68 f(23, "hello");
  69 
  70 f(24, "hello2");
  71 
  72 var oldCall = Function.prototype.call;
  73 Function.prototype.call = function() {
  74     throw "this should never happen! go back to apply!";
  75 };
  76 
  77 f(25, "hello3");
  78 
  79 Function.prototype.call = oldCall;
  80 
  81 var fObject = global.eval("Object");
  82 
  83 // instanceof on mirrors
  84 print("global instanceof fObject? " + (global instanceof fObject));
  85 
  86 // Object API on mirrors
  87 
  88 var desc = Object.getOwnPropertyDescriptor(global, "x");
  89 print("x is wriable ? " + desc.writable);
  90 print("x value = " + desc.value);
  91 
  92 var proto = Object.getPrototypeOf(global);
  93 print("global's __proto__ " + proto);
  94 
  95 var obj = global.obj;
  96 var keys = Object.keys(obj);
  97 print("Object.keys on obj");
  98 for (var i in keys) {
  99     print(keys[i]);
 100 }
 101 
 102 print("Object.getOwnProperties on obj");
 103 var keys = Object.getOwnPropertyNames(obj);
 104 for (var i in keys) {
 105   print(keys[i]);
 106 }
 107 
 108 // mirror array access
 109 var array = global.eval("[334, 55, 65]");
 110 Array.prototype.forEach.call(array, function(elem) {
 111     print("forEach " + elem)
 112 });
 113 
 114 print("reduceRight " + Array.prototype.reduceRight.call(array,
 115     function(previousValue, currentValue, index, array) {
 116         print("reduceRight cur value " + currentValue);
 117         return previousValue + currentValue;
 118 }, 0));
 119 
 120 print("reduce " + Array.prototype.reduce.call(array,
 121     function(previousValue, currentValue, index, array) {
 122         print("reduce cur value " + currentValue);
 123         return previousValue + currentValue;
 124 }, 0));
 125 
 126 print("forEach");
 127 Array.prototype.forEach.call(array, function(o) {
 128    print(o);
 129 });
 130 
 131 print("Array.isArray(array)? " + Array.isArray(array));
 132 
 133 // try to write to a non-writable property of mirror
 134 try {
 135    obj.bar = 33;
 136 } catch (e) {
 137    print(e);
 138 }
 139 
 140 // mirror function called with local callback
 141 print("forEach on mirror");
 142 array.forEach(function(toto) {
 143     print(toto);
 144 });