1 /*
   2  * Copyright (c) 2017, 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  * @summary Test that AccessController.doPrivileged() searches default methods when looking
  27  *          for the run() method.
  28  * @bug 8183962
  29  * @run main DoPrivileged
  30  */
  31 
  32 import java.security.AccessController;
  33 import java.security.PrivilegedAction;
  34 
  35 public class DoPrivileged {
  36     interface VoidPrivilegedAction extends PrivilegedAction<Void> {
  37         void perform();
  38 
  39         @Override
  40         default Void run() {
  41             perform();
  42             return null;
  43         }
  44     }
  45 
  46     static void doPrivileged(VoidPrivilegedAction act) {
  47         AccessController.doPrivileged(act);
  48     }
  49 
  50     public static void main(String[] args) throws Exception {
  51         doPrivileged(() -> System.out.println(System.getProperty("java.home")));
  52     }
  53 }