1 /*
 2  * Copyright (c) 2021, 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
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22  */
23 
24 // key: compiler.warn.serial.method.not.private
25 // key: compiler.warn.serial.method.static
26 // key: compiler.warn.serial.method.unexpected.return.type
27 // key: compiler.warn.serial.concrete.instance.method
28 // key: compiler.warn.serial.method.one.arg
29 // key: compiler.warn.serial.method.parameter.type
30 // key: compiler.warn.serial.method.no.args
31 // key: compiler.warn.serial.method.unexpected.exception
32 
33 // options: -Xlint:serial
34 
35 import java.io.*;
36 
37 
38 abstract class SerialNonPrivateMethod implements Serializable {
39     private static final long serialVersionUID = 42;
40 
41     private static class CustomObjectOutputStream extends ObjectOutputStream {
42         public CustomObjectOutputStream() throws IOException,
43                                                  SecurityException {}
44     }
45 
46     // Should be private and have a single argument of type
47     // ObjectOutputStream
48     void writeObject(CustomObjectOutputStream stream) throws IOException {
49         stream.defaultWriteObject();
50     }
51 
52     // Should be private non-static and have one argument
53     private static void readObject(ObjectInputStream stream, int retries)
54         throws IOException, ClassNotFoundException {
55         stream.defaultReadObject();
56     }
57 
58     // Should return void
59     private int readObjectNoData() throws ObjectStreamException {
60         return 42;
61     }
62 
63     // Should be concrete instance method
64     public abstract Object writeReplace() throws ObjectStreamException;
65 
66     // Should have no arguments and throw ObjectStreamException
67     /*package*/ Object readResolve(int foo)
68         throws ReflectiveOperationException { // Checked exception
69         return null;
70     }
71 }