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-8024847: Java.to should accept mirror and external JSObjects as array-like objects as well

    26  *

    27  * @test

    28  * @run

    29  */

    30 

    31 var global = loadWithNewGlobal({ name: "test", script:"this" });

    32 var arr = new global.Array(2, 4, 6, 8);

    33 var jarr = Java.to(arr, "int[]");

    34 for (var i in jarr) {

    35     print(jarr[i]);

    36 }

    37 

    38 arr = null;

    39 jarr = null;

    40 

    41 // external JSObjects

    42 var JSObject = Java.type("jdk.nashorn.api.scripting.JSObject");

    43 var arr = new JSObject() {

    44     getMember: function(name) {

    45         return name == "length"? 4 : undefined;

    46     },

    47 

    48     hasMember: function(name) {

    49         return name == "length";

    50     },

    51 

    52     getSlot: function(idx) {

    53         return idx*idx;

    54     },

    55 

    56     hasSlot: function(idx) {

    57         return true;

    58     }

    59 };

    60 

    61 var jarr = Java.to(arr, "int[]");

    62 for (var i in jarr) {

    63     print(jarr[i]);

    64 }

    65 

    66 arr = null;

    67 jarr = null;

    68 

    69 // List conversion

    70 var arr = global.Array("hello", "world");

    71 var jlist = Java.to(arr, java.util.List);

    72 print(jlist instanceof java.util.List);

    73 print(jlist);

    74 

    75 arr = null;

    76 jlist = null;

    77 

    78 // external JSObject

    79 var __array__ =  [ "nashorn", "js" ];

    80 

    81 var obj = new JSObject() {

    82 

    83     hasMember: function(name) {

    84         return name in __array__;

    85     },

    86 

    87     hasSlot: function(idx) {

    88         return idx in __array__;

    89     },

    90 

    91     getMember: function(name) {

    92         return __array__[name];

    93     },

    94 

    95     getSlot: function(idx) {

    96         return __array__[idx];

    97     }

    98 }

    99 

   100 var jlist = Java.to(obj, java.util.List);

   101 print(jlist instanceof java.util.List);

   102 print(jlist);

   103 

   104 var obj = new JSObject() {

   105     getMember: function(name) {

   106         if (name == "valueOf") {

   107             return new JSObject() {

   108                 isFunction: function() {

   109                     return true;

   110                 },

   111                 call: function(thiz) {

   112                     return 42;

   113                 }

   114             };

   115         }

   116     }

   117 };

   118 

   119 print(32 + obj);