1 /*
   2  * Copyright (c) 2005, 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  * @test
  26  * @bug 6346733 6705893
  27  * @summary Verify that independent Bindings instances don't
  28  * get affected by default scope assignments. Also, verify
  29  * that script globals can be created and accessed from Java
  30  * as well as JavaScript.
  31  * @modules jdk.scripting.nashorn
  32  */
  33 
  34 import javax.script.Bindings;
  35 import javax.script.ScriptEngine;
  36 import javax.script.ScriptEngineManager;
  37 
  38 
  39 public class JavaScriptScopeTest {
  40 
  41         public static void main(String[] args) throws Exception {
  42             ScriptEngineManager manager = new ScriptEngineManager();
  43             ScriptEngine jsengine = Helper.getJsEngine(manager);
  44             if (jsengine == null) {
  45                 System.out.println("Warning: No js engine found; test vacuously passes.");
  46                 return;
  47             }
  48             jsengine.eval("var v = 'hello';");
  49             // Create a new scope
  50             Bindings b = jsengine.createBindings();
  51             // b is newly created scope. We don't expect 'v' there.
  52             // we expect b to be empty...
  53             if (b.keySet().size() != 0) {
  54                 throw new RuntimeException("no variables expected in new scope");
  55             }
  56 
  57             // verify that we can create new variable from Java
  58             jsengine.put("fromJava", "hello world");
  59             // below should execute without problems..
  60             jsengine.eval(" if (fromJava != 'hello world') throw 'unexpected'");
  61 
  62             // verify that script globals are exposed to Java
  63             // we have created 'v' and 'fromJava' already.
  64             if (! jsengine.get("v").equals("hello")) {
  65                 throw new RuntimeException("unexpected value of 'v'");
  66             }
  67 
  68             if (! jsengine.get("fromJava").equals("hello world")) {
  69                 throw new RuntimeException("unexpected value of 'fromJava'");
  70             }
  71         }
  72 }