1 /*
   2  * Copyright (c) 2005, 2013, 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 6346729 6705893
  27  * @summary Create JavaScript engine and check language and engine version
  28  * @modules java.scripting
  29  *          jdk.scripting.nashorn/jdk.nashorn.internal.runtime
  30  */
  31 
  32 import javax.script.*;
  33 import java.io.*;
  34 
  35 public class VersionTest  {
  36         private static final String JS_LANG_VERSION = "ECMA - 262 Edition 5.1";
  37 
  38         public static void main(String[] args) throws Exception {
  39             ScriptEngineManager manager = new ScriptEngineManager();
  40             ScriptEngine jsengine = Helper.getJsEngine(manager);
  41             if (jsengine == null) {
  42                 System.out.println("Warning: No js engine found; test vacuously passes.");
  43                 return;
  44             }
  45             String langVersion = jsengine.getFactory().getLanguageVersion();
  46             if (! langVersion.equals(JS_LANG_VERSION)) {
  47                 throw new RuntimeException("Expected JavaScript version is " +
  48                             JS_LANG_VERSION);
  49             }
  50             String engineVersion = jsengine.getFactory().getEngineVersion();
  51             String expectedVersion = getNashornVersion();
  52             if (! engineVersion.equals(expectedVersion)) {
  53                 throw new RuntimeException("Expected version is " + expectedVersion);
  54             }
  55         }
  56 
  57         private static String getNashornVersion() {
  58             try {
  59                 Class versionClass = Class.forName("jdk.nashorn.internal.runtime.Version");
  60                 return (String) versionClass.getMethod("version").invoke(null);
  61             } catch (Exception e) {
  62                 return "Version Unknown!";
  63             }
  64         }
  65 }