/**
* Copyright (C) 2009-2010 Wilfred Springer
*
* This file is part of Preon.
*
* Preon 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.
*
* Preon 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
* Preon; see the file COPYING. If not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Linking this library statically or dynamically with other modules is making a
* combined work based on this library. Thus, the terms and conditions of the
* GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent modules, and
* to copy and distribute the resulting executable under terms of your choice,
* provided that you also meet, for each linked independent module, the terms
* and conditions of the license of that module. An independent module is a
* module which is not derived from or based on this library. If you modify this
* library, you may extend this exception to your version of the library, but
* you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package org.codehaus.preon.codec;
import static org.easymock.EasyMock.*;
import java.util.ArrayList;
import java.util.List;
import org.codehaus.preon.buffer.ByteOrder;
import org.codehaus.preon.el.Reference;
import org.codehaus.preon.Codec;
import org.codehaus.preon.CodecSelector;
import org.codehaus.preon.CodecSelectorFactory;
import org.codehaus.preon.DecodingException;
import org.codehaus.preon.Resolver;
import org.codehaus.preon.ResolverContext;
import org.codehaus.preon.annotation.TypePrefix;
import org.codehaus.preon.buffer.BitBuffer;
import junit.framework.TestCase;
public class TypePrefixSelectorFactoryTest extends TestCase {
private ResolverContext context;
private Codec<?> codec1;
private Codec<?> codec2;
private Resolver resolver;
private BitBuffer bitBuffer;
private Reference<Resolver> reference;
@SuppressWarnings("unchecked")
public void setUp() {
context = createMock(ResolverContext.class);
codec1 = createMock(Codec.class);
codec2 = createMock(Codec.class);
resolver = createMock(Resolver.class);
bitBuffer = createMock(BitBuffer.class);
reference = createMock(Reference.class);
}
public void testSimplePrefixes() throws DecodingException {
expect(codec1.getTypes()).andReturn(new Class<?>[]{Test1.class});
expect(codec2.getTypes()).andReturn(new Class<?>[]{Test2.class});
expect(bitBuffer.readAsLong(8, ByteOrder.LittleEndian)).andReturn(1L);
replay(context, codec1, codec2, resolver, bitBuffer);
CodecSelectorFactory factory = new TypePrefixSelectorFactory();
List<Codec<?>> codecs = new ArrayList<Codec<?>>();
codecs.add(codec1);
codecs.add(codec2);
CodecSelector selector = factory.create(context, codecs);
selector.select(bitBuffer, resolver);
verify(context, codec1, codec2, resolver, bitBuffer);
}
public void testPrefixesWithReferences() throws DecodingException {
expect(codec1.getTypes()).andReturn(new Class<?>[]{Test3.class});
expect(codec2.getTypes()).andReturn(new Class<?>[]{Test4.class});
expect(context.selectAttribute("p")).andReturn(reference);
expect(bitBuffer.readAsLong(8, ByteOrder.LittleEndian)).andReturn(1L);
expect(reference.resolve(resolver)).andReturn(-2);
expect(reference.getType()).andReturn((Class) Integer.class).anyTimes();
replay(context, codec1, codec2, resolver, bitBuffer, reference);
CodecSelectorFactory factory = new TypePrefixSelectorFactory();
List<Codec<?>> codecs = new ArrayList<Codec<?>>();
codecs.add(codec1);
codecs.add(codec2);
CodecSelector selector = factory.create(context, codecs);
selector.select(bitBuffer, resolver);
verify(context, codec1, codec2, resolver, bitBuffer, reference);
}
@TypePrefix(value = "1", size = 8)
private static class Test1 {
}
@TypePrefix(value = "2", size = 8)
private static class Test2 {
}
@TypePrefix(value = "p + 3", size = 8)
private static class Test3 {
}
@TypePrefix(value = "2", size = 8)
private static class Test4 {
}
}