1 /*
   2  * Copyright (c) 2008, 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 import javax.script.*;
  25 
  26 /*
  27  * If the JDK being tested is <b>not</b> a Sun product JDK and a js
  28  * engine is not present, return an exit code of 2 to indicate that
  29  * the jrunscript tests which assume a js engine can be vacuously
  30  * passed.
  31  */
  32 public class CheckEngine {
  33     public static void main(String... args) {
  34         int exitCode = 0;
  35         ScriptEngine engine =
  36             (new ScriptEngineManager()).getEngineByName("js");
  37 
  38         if (engine == null &&
  39             !(System.getProperty("java.runtime.name").startsWith("Java(TM)"))) {
  40             exitCode = 2;
  41         }
  42 
  43         System.exit(exitCode);
  44     }
  45 }