sundar@1824: /*
sundar@1824:  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
sundar@1824:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sundar@1824:  *
sundar@1824:  * This code is free software; you can redistribute it and/or modify it
sundar@1824:  * under the terms of the GNU General Public License version 2 only, as
sundar@1824:  * published by the Free Software Foundation.
sundar@1824:  *
sundar@1824:  * This code is distributed in the hope that it will be useful, but WITHOUT
sundar@1824:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
sundar@1824:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
sundar@1824:  * version 2 for more details (a copy is included in the LICENSE file that
sundar@1824:  * accompanied this code).
sundar@1824:  *
sundar@1824:  * You should have received a copy of the GNU General Public License version
sundar@1824:  * 2 along with this work; if not, write to the Free Software Foundation,
sundar@1824:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sundar@1824:  *
sundar@1824:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
sundar@1824:  * or visit www.oracle.com if you need additional information or have any
sundar@1824:  * questions.
sundar@1824:  */
sundar@1824: 
sundar@1824: /**
sundar@1824:  * JDK-8157160: JSON.stringify does not work on ScriptObjectMirror objects
sundar@1824:  *
sundar@1824:  * @test
sundar@1824:  * @option -scripting
sundar@1824:  * @run
sundar@1824:  */
sundar@1824: 
sundar@1824: var SM = Java.type("javax.script.ScriptEngineManager");
sundar@1824: var AJSO = Java.type("jdk.nashorn.api.scripting.AbstractJSObject");
sundar@1824: var Supplier = Java.type("java.util.function.Supplier");
sundar@1824: 
sundar@1824: var engine = new SM().getEngineByName("nashorn");
sundar@1824: 
sundar@1824: // JSON stringify ScriptObjectMirror instances
sundar@1824: print(JSON.stringify(engine.eval("({ foo : 42 })")));
sundar@1824: print(JSON.stringify(engine.eval("([5, 6, 76, 7])")));
sundar@1824: print(JSON.stringify(engine.eval(<<EOF
sundar@1824:  ({
sundar@1824:      toJSON: function() "hello"
sundar@1824:  })
sundar@1824: EOF
sundar@1824: )));
sundar@1824: 
sundar@1824: print(JSON.stringify(engine.eval(<<EOF
sundar@1824: obj = {
sundar@1824:     name: 'nashorn',
sundar@1824:     versions: [ 'es5.1', 'es6' ]
sundar@1824: }
sundar@1824: EOF
sundar@1824: )));
sundar@1824: 
sundar@1824: var dm = engine.eval("new Date()");
sundar@1824: print('"' + dm.toJSON() + '"' == JSON.stringify(dm));
sundar@1824: 
sundar@1824: // JSON stringifying an arbitrary JSObject impl.
sundar@1824: var jsObj = new AJSO() {
sundar@1824:     keySet: function() {
sundar@1824:         var keys = new java.util.HashSet();
sundar@1824:         keys.add("x");
sundar@1824:         keys.add("y");
sundar@1824:         return keys;
sundar@1824:     },
sundar@1824: 
sundar@1824:     getMember: function(name) {
sundar@1824:         if (name == "x") {
sundar@1824:             return 42;
sundar@1824:         } else if (name == "y") {
sundar@1824:             return "hello";
sundar@1824:         }
sundar@1824:     }
sundar@1824: };
sundar@1824: print(JSON.stringify(jsObj));
sundar@1824: 
sundar@1824: // try toJSON implementation on JSObject
sundar@1824: var jsObj2 = new AJSO() {
sundar@1824:     getMember: function(name) {
sundar@1824:         if (name == 'toJSON') {
sundar@1824:             return function() {
sundar@1824:                 return "my json representation";
sundar@1824:             }
sundar@1824:         }
sundar@1824:     }
sundar@1824: };
sundar@1824: print(JSON.stringify(jsObj2));
sundar@1824: 
sundar@1824: var jsObj3 = new AJSO() {
sundar@1824:     getMember: function(name) {
sundar@1824:         if (name == 'toJSON') {
sundar@1824:             return new Supplier() {
sundar@1824:                 "get": function() {
sundar@1824:                     return "value from toJSON function";
sundar@1824:                 }
sundar@1824:             };
sundar@1824:         }
sundar@1824:     }
sundar@1824: };
sundar@1824: print(JSON.stringify(jsObj3));
sundar@1824: 
sundar@1824: // replacer function from another script world
sundar@1824: print(JSON.stringify({
sundar@1824:    foo: "hello"
sundar@1824: }, engine.eval(<<EOF
sundar@1824:     function (key, value) {
sundar@1824:        if (key == "foo") {
sundar@1824:            return value.toUpperCase()
sundar@1824:        }
sundar@1824:        return value;
sundar@1824:     }
sundar@1824: EOF)));