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/*
* Copyright (c) 2003, 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 4838379
* @summary Verify that serialVersionUID and serialPersistentFields
* declarations made by enum types and constants are ignored.
*/
import java.io.*;
import java.util.Arrays;
enum Foo {
foo,
bar {
@SuppressWarnings("serial") /* Incorrect declarations are being tested */
private static final long serialVersionUID = 2L;
// bar is implemented as an inner class instance, so the following
// declaration would cause a compile-time error
// private static final ObjectStreamField[] serialPersistentFields = {
// new ObjectStreamField("gub", Float.TYPE)
// };
};
@SuppressWarnings("serial") /* Incorrect declarations are being tested */
private static final long serialVersionUID = 1L;
@SuppressWarnings("serial") /* Incorrect declarations are being tested */
private static final ObjectStreamField[] serialPersistentFields = {
new ObjectStreamField("blargh", Integer.TYPE)
};
}
public class Test {
public static void main(String[] args) throws Exception {
Class<?>[] classes =
{ Foo.class, Foo.foo.getClass(), Foo.bar.getClass() };
for (int i = 0; i < classes.length; i++) {
ObjectStreamClass desc = ObjectStreamClass.lookup(classes[i]);
if (desc.getSerialVersionUID() != 0L) {
throw new Error(
classes[i] + " has non-zero serialVersionUID: " +
desc.getSerialVersionUID());
}
ObjectStreamField[] fields = desc.getFields();
if (fields.length > 0) {
throw new Error(
classes[i] + " has non-empty list of fields: " +
Arrays.asList(fields));
}
}
}
}
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