1 /*
   2  * Copyright (c) 2014, 2018, 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  * This class tests to see if the system property java.version is properly
  26  * reinitialized after setting System.setProperties(null).
  27  *
  28  * @test
  29  * @bug 4244670 8030781
  30  * @summary Test for System.setProperties(null).
  31  */
  32 
  33 public class SetPropertiesNull {
  34 
  35     public static void main(String args[]) {
  36         final String version = System.getProperty("java.version");
  37         System.setProperties(null);
  38         final String newVersion = System.getProperty("java.version");
  39         if (!version.equals(newVersion)) {
  40             throw new RuntimeException("java.version differs: '" + version + "'  '"
  41                                + newVersion + "'");
  42         }
  43     }
  44 }