1 /*
   2  * Copyright (c) 2005, 2010, 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  */
  29 
  30 import javax.script.*;
  31 import java.io.*;
  32 
  33 public class VersionTest  {
  34         private static final String JS_LANG_VERSION = "ECMA - 262 Edition 5.1";
  35 
  36         public static void main(String[] args) throws Exception {
  37             ScriptEngineManager manager = new ScriptEngineManager();
  38             ScriptEngine jsengine = Helper.getJsEngine(manager);
  39             if (jsengine == null) {
  40                 System.out.println("Warning: No js engine found; test vacuously passes.");
  41                 return;
  42             }
  43             String langVersion = jsengine.getFactory().getLanguageVersion();
  44             if (! langVersion.equals(JS_LANG_VERSION)) {
  45                 throw new RuntimeException("Expected JavaScript version is " +
  46                             JS_LANG_VERSION);
  47             }
  48             String engineVersion = jsengine.getFactory().getEngineVersion();
  49             String expectedVersion = getNashornVersion();
  50             if (! engineVersion.equals(expectedVersion)) {
  51                 throw new RuntimeException("Expected version is " + expectedVersion);
  52             }
  53         }
  54 
  55         private static String getNashornVersion() {
  56             try {
  57                 Class versionClass = Class.forName("jdk.nashorn.internal.runtime.Version");
  58                 return (String) versionClass.getMethod("version").invoke(null);
  59             } catch (Exception e) {
  60                 return "Version Unknown!";
  61             }
  62         }
  63 }