/*
* 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.openjpa.enhance;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class TestAsmAdaptor
{
@Test
public void isEnhanced()
{
if (!AsmAdaptor.use())
{
return;
}
assertTrue(AsmAdaptor.isEnhanced(bytes(Enhanced.class)));
assertTrue(AsmAdaptor.isEnhanced(bytes(TransitivelyEnhanced.class)));
assertFalse(AsmAdaptor.isEnhanced(bytes(NotEnhanced.class)));
}
private byte[] bytes(final Class<?> type)
{
final ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
final InputStream stream = Thread.currentThread().getContextClassLoader()
.getResourceAsStream(type.getName().replace('.', '/') + ".class");
try
{
int c;
byte[] buffer = new byte[1024];
while ((c = stream.read(buffer)) >= 0)
{
baos.write(buffer, 0, c);
}
}
catch (IOException e)
{
fail(e.getMessage());
}
finally
{
try
{
stream.close();
}
catch (IOException e)
{
// no-op
}
}
return baos.toByteArray();
}
public static class NotEnhanced
{
}
public static class TransitivelyEnhanced extends Enhanced
{
}
public static class Enhanced implements PersistenceCapable // just a mock for the test
{
@Override
public int pcGetEnhancementContractVersion()
{
return 0;
}
@Override
public Object pcGetGenericContext()
{
return null;
}
@Override
public StateManager pcGetStateManager()
{
return null;
}
@Override
public void pcReplaceStateManager(StateManager sm)
{
}
@Override
public void pcProvideField(int fieldIndex)
{
}
@Override
public void pcProvideFields(int[] fieldIndices)
{
}
@Override
public void pcReplaceField(int fieldIndex)
{
}
@Override
public void pcReplaceFields(int[] fieldIndex)
{
}
@Override
public void pcCopyFields(Object fromObject, int[] fields)
{
}
@Override
public void pcDirty(String fieldName)
{
}
@Override
public Object pcFetchObjectId()
{
return null;
}
@Override
public Object pcGetVersion()
{
return null;
}
@Override
public boolean pcIsDirty()
{
return false;
}
@Override
public boolean pcIsTransactional()
{
return false;
}
@Override
public boolean pcIsPersistent()
{
return false;
}
@Override
public boolean pcIsNew()
{
return false;
}
@Override
public boolean pcIsDeleted()
{
return false;
}
@Override
public Boolean pcIsDetached()
{
return null;
}
@Override
public PersistenceCapable pcNewInstance(StateManager sm, boolean clear)
{
return null;
}
@Override
public PersistenceCapable pcNewInstance(StateManager sm, Object obj, boolean clear)
{
return null;
}
@Override
public Object pcNewObjectIdInstance()
{
return null;
}
@Override
public Object pcNewObjectIdInstance(Object obj)
{
return null;
}
@Override
public void pcCopyKeyFieldsToObjectId(Object obj)
{
}
@Override
public void pcCopyKeyFieldsToObjectId(FieldSupplier supplier, Object obj)
{
}
@Override
public void pcCopyKeyFieldsFromObjectId(FieldConsumer consumer, Object obj)
{
}
@Override
public Object pcGetDetachedState()
{
return null;
}
@Override
public void pcSetDetachedState(Object state)
{
}
}
}