test/jdk/java/io/Serializable/resolveClass/deserializeButton/Foo.java - master - githubmirror/jdk11u-dev

test/jdk/java/io/Serializable/resolveClass/deserializeButton/Foo.java

61 строка2 KB

Andrew Lu

8231427: Warning cleanup in tests of java.io.Serializable

04 июл 2024, 05:27

04 июл 2024, 05:27cdfb4e7

/*
 * Copyright (c) 2001, 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.
 */

/*
 * @bug 4413434
 * @summary Verify that class loaded outside of application class loader is
 *          correctly resolved during deserialization when read in by custom
 *          readObject() method of a bootstrap class (in this case,
 *          java.util.Vector).
 */

import java.io.*;
import java.util.Vector;

public class Foo implements Runnable {

    static class TestElement extends Object implements Serializable {
        private static final long serialVersionUID = 1L;
    }

    public void run() {
        try {
            Vector<TestElement> container = new Vector<TestElement>();
            container.add(new TestElement());

            // iterate to trigger java.lang.reflect code generation
            for (int i = 0; i < 100; i++) {
                ByteArrayOutputStream bout = new ByteArrayOutputStream();
                ObjectOutputStream oout = new ObjectOutputStream(bout);
                oout.writeObject(container);
                oout.close();
                ObjectInputStream oin = new ObjectInputStream(
                    new ByteArrayInputStream(bout.toByteArray()));
                oin.readObject();
            }
        } catch (Exception ex) {
            throw new Error(
                "Error occured while (de)serializing container: ", ex);
        }
    }
}