SearchTermSerializationTest.java

/*
 * Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package jakarta.mail.search;

import jakarta.mail.Flags;
import jakarta.mail.Message;
import jakarta.mail.internet.MimeMessage;
import jakarta.mail.internet.NewsAddress;
import org.junit.Test;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Date;

import static org.junit.Assert.assertEquals;

/**
 * SearchTerm serialization test.
 *
 * @author Bill Shannon
 */

public class SearchTermSerializationTest {

    @Test
    public void testSerialization() throws IOException, ClassNotFoundException {
        // construct a SearchTerm using all SearchTerm types
        SearchTerm term = new AndTerm(new SearchTerm[]{
                new BodyTerm("text"),
                new FlagTerm(new Flags(Flags.Flag.RECENT), true),
                new FromStringTerm("foo@bar"),
                new HeaderTerm("X-Mailer", "dtmail"),
                new MessageIDTerm("12345@sun.com"),
                new MessageNumberTerm(42),
                new NotTerm(
                        new OrTerm(
                                new ReceivedDateTerm(ReceivedDateTerm.LT, new Date()),
                                new RecipientStringTerm(Message.RecipientType.CC, "foo")
                        )
                ),
                new RecipientTerm(MimeMessage.RecipientType.NEWSGROUPS,
                        new NewsAddress("comp.lang.java", "newshost")),
                new SentDateTerm(SentDateTerm.NE, new Date()),
                new SizeTerm(SizeTerm.LT, 1000),
                new SubjectTerm("test")
        });

        // serialize it to a byte array
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(bos);
        oos.writeObject(term);
        bos.close();

        // read it back in
        ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bis);
        SearchTerm term2 = (SearchTerm) ois.readObject();

        // compare it with the original
        assertEquals(term, term2);
    }
}