| /* |
| * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4360508 |
| * @summary Verify that a custom readObject() method reading in data written |
| * via default serialization cannot read past the end of the default |
| * data. |
| */ |
| |
| import java.io.*; |
| |
| class A implements Serializable { |
| int i1 = 1, i2 = 2; |
| String s1 = "foo", s2 = "bar"; |
| |
| private void readObject(ObjectInputStream in) |
| throws IOException, ClassNotFoundException |
| { |
| in.defaultReadObject(); |
| if (in.read() != -1) { |
| throw new Error(); |
| } |
| try { |
| in.readInt(); |
| throw new Error(); |
| } catch (EOFException ex) { |
| } |
| try { |
| in.readObject(); |
| throw new Error(); |
| } catch (OptionalDataException ex) { |
| if (!ex.eof) { |
| throw new Error(); |
| } |
| } |
| try { |
| in.readUnshared(); |
| throw new Error(); |
| } catch (OptionalDataException ex) { |
| if (!ex.eof) { |
| throw new Error(); |
| } |
| } |
| } |
| } |
| |
| class B implements Serializable { |
| int i1 = 1, i2 = 2; |
| String s1 = "foo", s2 = "bar"; |
| |
| private void readObject(ObjectInputStream in) |
| throws IOException, ClassNotFoundException |
| { |
| in.readFields(); |
| try { |
| in.readObject(); |
| throw new Error(); |
| } catch (OptionalDataException ex) { |
| if (!ex.eof) { |
| throw new Error(); |
| } |
| } |
| try { |
| in.readUnshared(); |
| throw new Error(); |
| } catch (OptionalDataException ex) { |
| if (!ex.eof) { |
| throw new Error(); |
| } |
| } |
| if (in.read() != -1) { |
| throw new Error(); |
| } |
| try { |
| in.readInt(); |
| throw new Error(); |
| } catch (EOFException ex) { |
| } |
| } |
| } |
| |
| class C implements Serializable { |
| private void readObject(ObjectInputStream in) |
| throws IOException, ClassNotFoundException |
| { |
| in.defaultReadObject(); |
| try { |
| in.readObject(); |
| throw new Error(); |
| } catch (OptionalDataException ex) { |
| if (!ex.eof) { |
| throw new Error(); |
| } |
| } |
| try { |
| in.readUnshared(); |
| throw new Error(); |
| } catch (OptionalDataException ex) { |
| if (!ex.eof) { |
| throw new Error(); |
| } |
| } |
| if (in.read() != -1) { |
| throw new Error(); |
| } |
| try { |
| in.readInt(); |
| throw new Error(); |
| } catch (EOFException ex) { |
| } |
| } |
| } |
| |
| public class DefaultDataEnd { |
| public static void main(String[] args) throws Exception { |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| ObjectOutputStream oout = new ObjectOutputStream(bout); |
| oout.writeObject(new A()); |
| oout.writeObject(new B()); |
| oout.writeObject(new C()); |
| oout.close(); |
| ObjectInputStream oin = new ObjectInputStream( |
| new ByteArrayInputStream(bout.toByteArray())); |
| oin.readObject(); |
| oin.readObject(); |
| oin.readObject(); |
| } |
| } |