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/*
* Copyright (c) 2024, 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 8331446
* @summary Check correctness of deserialization
* @run junit SerializationTest
*/
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class SerializationTest {
// Ensure basic correctness of serialization round trip
@ParameterizedTest
@MethodSource
public void serializationRoundTrip(MessageFormat expectedMf)
throws IOException, ClassNotFoundException {
byte[] bytes = ser(expectedMf);
MessageFormat actualMf = (MessageFormat) deSer(bytes);
assertEquals(expectedMf, actualMf);
}
// Various valid MessageFormats
private static Stream<MessageFormat> serializationRoundTrip() {
return Stream.of(
// basic pattern
new MessageFormat("{0} foo"),
// Multiple arguments
new MessageFormat("{0} {1} foo"),
// duplicate arguments
new MessageFormat("{0} {0} {1} foo"),
// Non-ascending arguments
new MessageFormat("{1} {0} foo"),
// With locale
new MessageFormat("{1} {0} foo", Locale.UK),
// With null locale. (NPE not thrown, if no format defined)
new MessageFormat("{1} {0} foo", null),
// With formats
new MessageFormat("{0,number,short} {0} {1,date,long} foo")
);
}
// Utility method to serialize
private static byte[] ser(Object obj) throws IOException {
ByteArrayOutputStream byteArrayOutputStream = new
ByteArrayOutputStream();
ObjectOutputStream oos = new
ObjectOutputStream(byteArrayOutputStream);
oos.writeObject(obj);
return byteArrayOutputStream.toByteArray();
}
// Utility method to deserialize
private static Object deSer(byte[] bytes) throws
IOException, ClassNotFoundException {
ByteArrayInputStream byteArrayInputStream = new
ByteArrayInputStream(bytes);
ObjectInputStream ois = new
ObjectInputStream(byteArrayInputStream);
return ois.readObject();
}
}
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