| /* |
| * Copyright 1999 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| /* @test |
| * @bug 4174797 |
| * @summary Ensure that ObjectInputStream can set final fields. |
| */ |
| |
| import java.io.*; |
| |
| class Foo implements Serializable { |
| final int i; |
| |
| Foo(int i) { |
| this.i = i; |
| } |
| |
| public boolean equals(Object obj) { |
| if (! (obj instanceof Foo)) |
| return false; |
| Foo f = (Foo) obj; |
| return (i == f.i); |
| } |
| } |
| |
| public class FinalFields { |
| public static void main(String[] args) throws Exception { |
| ByteArrayOutputStream bout; |
| ByteArrayInputStream bin; |
| ObjectOutputStream oout; |
| ObjectInputStream oin; |
| Foo f1, f2, f1copy, f2copy; |
| |
| bout = new ByteArrayOutputStream(); |
| oout = new ObjectOutputStream(bout); |
| f1 = new Foo(1); |
| f2 = new Foo(2); |
| |
| oout.writeObject(f1); |
| oout.writeObject(f2); |
| oout.flush(); |
| |
| bin = new ByteArrayInputStream(bout.toByteArray()); |
| oin = new ObjectInputStream(bin); |
| f1copy = (Foo) oin.readObject(); |
| f2copy = (Foo) oin.readObject(); |
| |
| if (! (f1.equals(f1copy) && f2.equals(f2copy))) |
| throw new Error("copies don't match originals"); |
| } |
| } |