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/* HierarchyTest.java -- Tests which checks the deserialization of a hierarchy
of class including an abstract but useful constructor
Copyright (C) 2006 Olivier Jolly <olivier.jolly@pcedev.com>
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve 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 for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: JDK1.2
package gnu.testlet.java.io.ObjectInputOutput;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/**
* Tests which ensures that abstract constructors are replayed during
* deserialization.
* @author Olivier Jolly <olivier.jolly@pcedev.com>
*/
public class HierarchyTest implements Testlet
{
public void test(TestHarness harness)
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream objectOutputStream = null;
try
{
objectOutputStream = new ObjectOutputStream(baos);
objectOutputStream.writeObject(new Derived());
}
catch (IOException e)
{
harness.debug(e);
harness.fail("Serialiazing a simple class deriving from a non serializable class");
}
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
try
{
ObjectInputStream objectInputStream = new ObjectInputStream(bais);
Derived serialized = (Derived) objectInputStream.readObject();
harness.check(serialized.getA(), new Integer(-1),
"Checking value from non serializable super class");
}
catch (Exception e)
{
// If the deserializating failed
harness.debug(e);
harness.fail("Deserialiazing a simple class");
}
}
/**
* Base class for test. It is abstract but set a field to something else than
* the default value. Checking that this value is not null will prove that we
* used this class constructor
*/
private static abstract class Base
{
private Integer a = new Integer(-1);
Base()
{
// Empty explicit constructor to prevent private implicit constructor to
// be generated by some compilers
}
Integer getA()
{
return a;
}
}
/**
* Derived class, which only exists to be instanciated.
*/
private static class Derived extends Base implements Serializable
{
private static final long serialVersionUID = 7027787387780503451L;
}
}
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