| /* |
| * Copyright (c) 2000, 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 4311991 |
| * |
| * @clean Write Read Foo Bar |
| * @compile Write.java |
| * @run main Write |
| * @clean Write Read Foo Bar |
| * @compile Read.java |
| * @run main Read |
| * |
| * @summary Test ObjectOutputStream.writeUnshared/readUnshared functionality. |
| */ |
| |
| import java.io.*; |
| |
| class Foo implements Serializable { |
| private static final ObjectStreamField[] serialPersistentFields = |
| new ObjectStreamField[] { |
| new ObjectStreamField("shared1", String.class), |
| new ObjectStreamField("shared2", String.class, false), |
| new ObjectStreamField("unshared1", String.class, true), |
| new ObjectStreamField("unshared2", String.class, true) |
| }; |
| |
| String shared1, shared2, unshared1, unshared2; |
| |
| Foo() { |
| shared1 = shared2 = unshared1 = unshared2 = "foo"; |
| } |
| } |
| |
| class Bar implements Serializable { |
| private static final long serialVersionUID = 0L; |
| Object obj; |
| |
| Bar(Object obj) { |
| this.obj = obj; |
| } |
| } |
| |
| public class Write { |
| public static void main(String[] args) throws Exception { |
| String str1 = "foo"; |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| ObjectOutputStream oout = new ObjectOutputStream(bout); |
| |
| oout.writeObject(str1); |
| oout.writeObject(str1); |
| oout.writeUnshared(str1); |
| oout.writeUnshared(str1); |
| oout.writeObject(new Foo()); |
| oout.close(); |
| |
| ByteArrayInputStream bin = |
| new ByteArrayInputStream(bout.toByteArray()); |
| ObjectInputStream oin = new ObjectInputStream(bin); |
| str1 = (String) oin.readObject(); |
| if (oin.readObject() != str1) { |
| throw new Error(); |
| } |
| String str2 = (String) oin.readObject(); |
| String str3 = (String) oin.readObject(); |
| if (str2 == str1 || str3 == str1 || str2 == str3) { |
| throw new Error(); |
| } |
| if (! (str1.equals(str2) && str1.equals(str3))) { |
| throw new Error(); |
| } |
| |
| Foo foo = (Foo) oin.readObject(); |
| if ((foo.shared1 != foo.shared2) || |
| (foo.shared1 == foo.unshared1) || |
| (foo.shared1 == foo.unshared2) || |
| (foo.shared2 == foo.unshared1) || |
| (foo.shared2 == foo.unshared2) || |
| (foo.unshared1 == foo.unshared2)) |
| { |
| throw new Error(); |
| } |
| |
| // write out object to be read by Read.main() |
| oout = new ObjectOutputStream(new FileOutputStream("tmp.ser")); |
| oout.writeObject(new Bar(str1)); |
| oout.writeObject(str1); |
| oout.close(); |
| } |
| } |