1 /*

     2  * Copyright (c) 2016, 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-8157160: JSON.stringify does not work on ScriptObjectMirror objects

    26  *

    27  * @test

    28  * @option -scripting

    29  * @run

    30  */

    31 

    32 var SM = Java.type("javax.script.ScriptEngineManager");

    33 var AJSO = Java.type("jdk.nashorn.api.scripting.AbstractJSObject");

    34 var Supplier = Java.type("java.util.function.Supplier");

    35 

    36 var engine = new SM().getEngineByName("nashorn");

    37 

    38 // JSON stringify ScriptObjectMirror instances

    39 print(JSON.stringify(engine.eval("({ foo : 42 })")));

    40 print(JSON.stringify(engine.eval("([5, 6, 76, 7])")));

    41 print(JSON.stringify(engine.eval(<<EOF

    42  ({

    43      toJSON: function() "hello"

    44  })

    45 EOF

    46 )));

    47 

    48 print(JSON.stringify(engine.eval(<<EOF

    49 obj = {

    50     name: 'nashorn',

    51     versions: [ 'es5.1', 'es6' ]

    52 }

    53 EOF

    54 )));

    55 

    56 var dm = engine.eval("new Date()");

    57 print('"' + dm.toJSON() + '"' == JSON.stringify(dm));

    58 

    59 // JSON stringifying an arbitrary JSObject impl.

    60 var jsObj = new AJSO() {

    61     keySet: function() {

    62         var keys = new java.util.HashSet();

    63         keys.add("x");

    64         keys.add("y");

    65         return keys;

    66     },

    67 

    68     getMember: function(name) {

    69         if (name == "x") {

    70             return 42;

    71         } else if (name == "y") {

    72             return "hello";

    73         }

    74     }

    75 };

    76 print(JSON.stringify(jsObj));

    77 

    78 // try toJSON implementation on JSObject

    79 var jsObj2 = new AJSO() {

    80     getMember: function(name) {

    81         if (name == 'toJSON') {

    82             return function() {

    83                 return "my json representation";

    84             }

    85         }

    86     }

    87 };

    88 print(JSON.stringify(jsObj2));

    89 

    90 var jsObj3 = new AJSO() {

    91     getMember: function(name) {

    92         if (name == 'toJSON') {

    93             return new Supplier() {

    94                 "get": function() {

    95                     return "value from toJSON function";

    96                 }

    97             };

    98         }

    99     }

   100 };

   101 print(JSON.stringify(jsObj3));

   102 

   103 // replacer function from another script world

   104 print(JSON.stringify({

   105    foo: "hello"

   106 }, engine.eval(<<EOF

   107     function (key, value) {

   108        if (key == "foo") {

   109            return value.toUpperCase()

   110        }

   111        return value;

   112     }

   113 EOF)));