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//Tags: JDK1.2
//Copyright (C) 2006 Free Software Foundation, Inc.
//Written by Wolfgang Baer (WBaer@gmx.de)
//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, 51 Franklin Street, Fifth Floor,
//Boston, MA, 02110-1301 USA.
package gnu.testlet.java.io.ObjectOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamConstants;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Tests the correct behaviour of useProtocolVersion
*/
public class useProtocolVersion implements Testlet
{
public void test(TestHarness harness)
{
try
{
String toSerialize = "Hello";
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bytes);
try
{
// setting must be allowed
out.useProtocolVersion(ObjectStreamConstants.PROTOCOL_VERSION_1);
harness.check(true);
}
catch (RuntimeException e)
{
harness.check(false);
}
// if only normal data is written
// a subsequent call to useProtocolVersion must succeed also
out.writeInt(4);
try
{
out.useProtocolVersion(ObjectStreamConstants.PROTOCOL_VERSION_1);
harness.check(true);
}
catch (IllegalStateException e)
{
harness.check(false);
}
// as soon as the first object is serialized
// subsequent calls must throw an exception
out.writeObject(toSerialize);
try
{
out.useProtocolVersion(ObjectStreamConstants.PROTOCOL_VERSION_1);
harness.check(false);
}
catch (IllegalStateException e)
{
harness.check(true);
}
// use new stream
out = new ObjectOutputStream(bytes);
// wrong versions must throw IllegalArgumentException
try
{
out.useProtocolVersion(4);
harness.check(false);
}
catch (IllegalArgumentException e)
{
harness.check(true);
}
}
catch (IOException e)
{
harness.fail("Unexpected exception occured.");
harness.debug(e);
}
}
}
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