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