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/*
* Copyright (c) 2025, 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 8365058
* @summary Check basic correctness of de-serialization
* @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.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class SerializationTest {
// Ensure basic serialization round trip correctness
@ParameterizedTest
@MethodSource
void roundTripTest(CopyOnWriteArraySet<?> expected) {
var bytes = ser(expected);
var actual = deSer(bytes);
assertEquals(CopyOnWriteArraySet.class, actual.getClass());
assertEquals(expected, actual);
}
private static Stream<CopyOnWriteArraySet<?>> roundTripTest() {
return Stream.of(
new CopyOnWriteArraySet<>(),
new CopyOnWriteArraySet<>(List.of(1, 2, 3)),
new CopyOnWriteArraySet<>(Set.of("Foo", "Bar", "Baz"))
);
}
private static byte[] ser(Object obj) {
return assertDoesNotThrow(() -> {
try (ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(byteArrayOutputStream)) {
oos.writeObject(obj);
return byteArrayOutputStream.toByteArray();
}
}, "Unexpected error during serialization");
}
private static Object deSer(byte[] bytes) {
return assertDoesNotThrow(() -> {
try (ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(byteArrayInputStream)) {
return ois.readObject();
}
}, "Unexpected error during de-serialization");
}
}
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