1 /*
   2  * Copyright (c) 2002, 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 /* @test
  25  * @bug 4632671
  26  * @summary Verify that reading an object whose class descriptor has both
  27  *          SC_SERIALIZABLE and SC_EXTERNALIZABLE bits set results in an
  28  *          InvalidClassException.
  29  *
  30  * @build Foo
  31  * @run main/othervm Read
  32  */
  33 import java.io.*;
  34 
  35 public class Read {
  36     public static void main(String[] args) throws Exception {
  37         try {
  38             /*
  39              * Foo.ser contains a doctored serialized representation of an
  40              * instance of class Foo, in which both SC_SERIALIZABLE and
  41              * SC_EXTERNALIZABLE flags have been set for Foo's class
  42              * descriptor.
  43              */
  44             File f = new File(System.getProperty("test.src", "."), "Foo.ser");
  45             FileInputStream in = new FileInputStream(f);
  46             try {
  47                 new ObjectInputStream(in).readObject();
  48                 throw new Error(
  49                     "read succeeded for object whose class descriptor has " +
  50                     "both SC_SERIALIZABLE and SC_EXTERNALIZABLE flags set");
  51             } finally {
  52                 in.close();
  53             }
  54         } catch (InvalidClassException e) {
  55         }
  56     }
  57 }