1 /*
   2  * Copyright (c) 2001, 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  * @bug 4413434
  27  * @library /lib/testlibrary
  28  * @build JarUtils SetupJar Boot
  29  * @run driver SetupJar
  30  * @run main/othervm -Xbootclasspath/a:boot.jar ConsTest
  31  * @summary Verify that generated java.lang.reflect implementation classes do
  32  *          not interfere with serialization's class resolution mechanism.
  33  */
  34 
  35 import java.io.ByteArrayInputStream;
  36 import java.io.ByteArrayOutputStream;
  37 import java.io.ObjectInputStream;
  38 import java.io.ObjectOutputStream;
  39 import java.io.Serializable;
  40 import java.lang.reflect.Constructor;
  41 
  42 public class ConsTest implements Serializable {
  43     public static void main(String[] args) throws Exception {
  44         Constructor cons = Boot.class.getConstructor(
  45             new Class[] { ObjectInputStream.class });
  46         ByteArrayOutputStream bout = new ByteArrayOutputStream();
  47         ObjectOutputStream oout = new ObjectOutputStream(bout);
  48         oout.writeObject(new ConsTest());
  49         oout.close();
  50 
  51         for (int i = 0; i < 100; i++) {
  52             ObjectInputStream oin = new ObjectInputStream(
  53                 new ByteArrayInputStream(bout.toByteArray()));
  54             cons.newInstance(new Object[]{ oin });
  55         }
  56     }
  57 }