JDK-8157160.js revision 1690:c24beef07d1b 
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
32var SM = Java.type("javax.script.ScriptEngineManager");
33var AJSO = Java.type("jdk.nashorn.api.scripting.AbstractJSObject");
34var Supplier = Java.type("java.util.function.Supplier");
35
36var engine = new SM().getEngineByName("nashorn");
37
38// JSON stringify ScriptObjectMirror instances
39print(JSON.stringify(engine.eval("({ foo : 42 })")));
40print(JSON.stringify(engine.eval("([5, 6, 76, 7])")));
41print(JSON.stringify(engine.eval(<<EOF
42 ({
43     toJSON: function() "hello"
44 })
45EOF
46)));
47
48print(JSON.stringify(engine.eval(<<EOF
49obj = {
50    name: 'nashorn',
51    versions: [ 'es5.1', 'es6' ]
52}
53EOF
54)));
55
56var dm = engine.eval("new Date()");
57print('"' + dm.toJSON() + '"' == JSON.stringify(dm));
58
59// JSON stringifying an arbitrary JSObject impl.
60var 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};
76print(JSON.stringify(jsObj));
77
78// try toJSON implementation on JSObject
79var jsObj2 = new AJSO() {
80    getMember: function(name) {
81        if (name == 'toJSON') {
82            return function() {
83                return "my json representation";
84            }
85        }
86    }
87};
88print(JSON.stringify(jsObj2));
89
90var 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};
101print(JSON.stringify(jsObj3));
102
103// replacer function from another script world
104print(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    }
113EOF)));
114