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