jdk-24/test/langtools/tools/javac/diags/examples/SerialNonPrivateMethod.java
Joe Darcy 6a466fe7ae 8202056: Expand serial warning to check for bad overloads of serial-related methods and ineffectual fields
8160675: Issue lint warning for non-serializable non-transient instance fields in serializable type

Reviewed-by: erikj, sspitsyn, jlahoda, vromero, rriggs, smarks
2021-10-21 21:11:01 +00:00

72 lines
2.6 KiB
Java

/*
* Copyright (c) 2021, 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
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*
* 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.
*
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// key: compiler.warn.serial.method.not.private
// key: compiler.warn.serial.method.static
// key: compiler.warn.serial.method.unexpected.return.type
// key: compiler.warn.serial.concrete.instance.method
// key: compiler.warn.serial.method.one.arg
// key: compiler.warn.serial.method.parameter.type
// key: compiler.warn.serial.method.no.args
// key: compiler.warn.serial.method.unexpected.exception
// options: -Xlint:serial
import java.io.*;
abstract class SerialNonPrivateMethod implements Serializable {
private static final long serialVersionUID = 42;
private static class CustomObjectOutputStream extends ObjectOutputStream {
public CustomObjectOutputStream() throws IOException,
SecurityException {}
}
// Should be private and have a single argument of type
// ObjectOutputStream
void writeObject(CustomObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
}
// Should be private non-static and have one argument
private static void readObject(ObjectInputStream stream, int retries)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
}
// Should return void
private int readObjectNoData() throws ObjectStreamException {
return 42;
}
// Should be concrete instance method
public abstract Object writeReplace() throws ObjectStreamException;
// Should have no arguments and throw ObjectStreamException
/*package*/ Object readResolve(int foo)
throws ReflectiveOperationException { // Checked exception
return null;
}
}