79 lines
2.3 KiB
Java
79 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 1999, 2019, 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 4174797
|
|
* @summary Ensure that ObjectInputStream can set final fields.
|
|
*/
|
|
|
|
import java.io.*;
|
|
|
|
class Foo implements Serializable {
|
|
private static final long serialVersionUID = 1L;
|
|
|
|
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 int hashCode() {
|
|
return 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");
|
|
}
|
|
|
|
}
|