jdk-24/test/langtools/tools/javac/diags/examples/SerialMissingNoArgCtor.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

57 lines
2.0 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
* 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.
*
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// key: compiler.warn.serializable.missing.access.no.arg.ctor
// key: compiler.warn.non.serializable.instance.field
// key: compiler.warn.non.serializable.instance.field.array
// options: -Xlint:serial
import java.io.*;
class SerialMissingNoArgCtor {
public SerialMissingNoArgCtor(int foo) {
}
// Not accessible to SerialSubclass
private SerialMissingNoArgCtor() {}
// SerialSubclass does not have access to a non-arg ctor in the
// first non-serializable superclass in its superclass chain.
static class SerialSubclass extends SerialMissingNoArgCtor
implements Serializable {
private static final long serialVersionUID = 42;
// non-serializable non-transient instance field
private Object datum = null;
// base component type of array is non-serializable
private Object[] data = null;
public SerialSubclass() {
super(1);
}
}
}