/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ignite.ml.math;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.apache.ignite.ml.math.impls.MathTestConstants;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Common test for externalization.
*/
public abstract class ExternalizeTest<T extends Externalizable & Destroyable> {
/** */
@SuppressWarnings("unchecked")
protected void externalizeTest(T initObj) {
T objRestored = null;
try {
ByteArrayOutputStream byteArrOutputStream = new ByteArrayOutputStream();
ObjectOutputStream objOutputStream = new ObjectOutputStream(byteArrOutputStream);
objOutputStream.writeObject(initObj);
ByteArrayInputStream byteArrInputStream = new ByteArrayInputStream(byteArrOutputStream.toByteArray());
ObjectInputStream objInputStream = new ObjectInputStream(byteArrInputStream);
objRestored = (T)objInputStream.readObject();
assertTrue(MathTestConstants.VAL_NOT_EQUALS, initObj.equals(objRestored));
assertTrue(MathTestConstants.VAL_NOT_EQUALS, Integer.compare(initObj.hashCode(), objRestored.hashCode()) == 0);
}
catch (ClassNotFoundException | IOException e) {
fail(e + " [" + e.getMessage() + "]");
}
finally {
if (objRestored != null)
objRestored.destroy();
}
}
/** */
@Test
public abstract void externalizeTest();
}