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/*
* Copyright (c) 2000, 2023, 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 4316678
* @summary test that Calendar's Serialization works correctly.
* @run junit bug4316678
*/
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class bug4316678 {
private static final String serializedData = "bug4316678.ser";
// Save JVM default TimeZone
private static final TimeZone savedTz = TimeZone.getDefault();
// Set custom JVM default TimeZone
@BeforeAll
static void initAll() {
TimeZone.setDefault(TimeZone.getTimeZone("PST"));
}
// Restore JVM default Locale and TimeZone
@AfterAll
static void tearDownAll() {
TimeZone.setDefault(savedTz);
}
// Test that a serialized GregorianCalendar has the expected values
@Test
public void serializationTest() throws IOException, ClassNotFoundException {
GregorianCalendar gc1 = new GregorianCalendar(2000, Calendar.OCTOBER, 10);
GregorianCalendar gc2;
try (ObjectOutputStream out
= new ObjectOutputStream(new FileOutputStream(serializedData))) {
out.writeObject(gc1);
}
try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(serializedData))) {
gc2 = (GregorianCalendar)in.readObject();
}
gc1.set(Calendar.DATE, 16);
gc2.set(Calendar.DATE, 16);
assertEquals(gc2.getTime(), gc1.getTime(),
"Times should be equal after serialization");
}
}
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