/*

 * Copyright (c) 2005, 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

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 * questions.

 */

/*

 * @test

 * @bug 6346733 6705893

 * @summary Verify that independent Bindings instances don't

 * get affected by default scope assignments. Also, verify

 * that script globals can be created and accessed from Java

 * as well as JavaScript.

 * @modules jdk.scripting.nashorn

 */

import javax.script.Bindings;

import javax.script.ScriptEngine;

import javax.script.ScriptEngineManager;

public class JavaScriptScopeTest {

        public static void main(String[] args) throws Exception {

            ScriptEngineManager manager = new ScriptEngineManager();

            ScriptEngine jsengine = Helper.getJsEngine(manager);

            if (jsengine == null) {

                System.out.println("Warning: No js engine found; test vacuously passes.");

                return;

            }

            jsengine.eval("var v = 'hello';");

            // Create a new scope

            Bindings b = jsengine.createBindings();

            // b is newly created scope. We don't expect 'v' there.

            // we expect b to be empty...

            if (b.keySet().size() != 0) {

                throw new RuntimeException("no variables expected in new scope");

            }

            // verify that we can create new variable from Java

            jsengine.put("fromJava", "hello world");

            // below should execute without problems..

            jsengine.eval(" if (fromJava != 'hello world') throw 'unexpected'");

            // verify that script globals are exposed to Java

            // we have created 'v' and 'fromJava' already.

            if (! jsengine.get("v").equals("hello")) {

                throw new RuntimeException("unexpected value of 'v'");

            }

            if (! jsengine.get("fromJava").equals("hello world")) {

                throw new RuntimeException("unexpected value of 'fromJava'");

            }

        }

}