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/*******************************************************************************
* Copyright (c) 2007, 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.utility.tests.internal.model.value;
import java.util.Collection;
import javax.swing.JList;
import junit.framework.TestCase;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.HashBag;
import org.eclipse.jpt.utility.internal.iterators.SingleElementIterator;
import org.eclipse.jpt.utility.internal.model.AbstractModel;
import org.eclipse.jpt.utility.internal.model.value.PropertyCollectionValueModelAdapter;
import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel;
import org.eclipse.jpt.utility.internal.model.value.swing.ListModelAdapter;
import org.eclipse.jpt.utility.model.event.CollectionAddEvent;
import org.eclipse.jpt.utility.model.event.CollectionChangeEvent;
import org.eclipse.jpt.utility.model.event.CollectionClearEvent;
import org.eclipse.jpt.utility.model.event.CollectionRemoveEvent;
import org.eclipse.jpt.utility.model.listener.ChangeAdapter;
import org.eclipse.jpt.utility.model.listener.ChangeListener;
import org.eclipse.jpt.utility.model.listener.CollectionChangeListener;
import org.eclipse.jpt.utility.model.value.CollectionValueModel;
import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel;
import org.eclipse.jpt.utility.tests.internal.TestTools;
@SuppressWarnings("nls")
public class PropertyCollectionValueModelAdapterTests extends TestCase {
private CollectionValueModel<String> adapter;
private WritablePropertyValueModel<String> wrappedValueHolder;
public PropertyCollectionValueModelAdapterTests(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
this.wrappedValueHolder = new SimplePropertyValueModel<String>();
this.adapter = new PropertyCollectionValueModelAdapter<String>(this.wrappedValueHolder);
}
private Collection<String> wrappedCollection() {
return CollectionTools.collection(new SingleElementIterator<String>(this.wrappedValueHolder.getValue()));
}
@Override
protected void tearDown() throws Exception {
TestTools.clear(this);
super.tearDown();
}
public void testIterator() {
this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, new TestListener() {
@Override
public void itemsAdded(CollectionAddEvent e) {/* OK */}
});
this.wrappedValueHolder.setValue("foo");
Collection<String> adapterCollection = CollectionTools.collection(this.adapter.iterator());
assertEquals(1, adapterCollection.size());
assertEquals(this.wrappedCollection(), adapterCollection);
assertEquals("foo", adapterCollection.iterator().next());
}
public void testStaleValue() {
CollectionChangeListener listener = new TestListener() {
@Override
public void itemsAdded(CollectionAddEvent e) {/* OK */}
};
this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, listener);
this.wrappedValueHolder.setValue("foo");
Collection<String> adapterCollection = CollectionTools.collection(this.adapter.iterator());
assertEquals(1, adapterCollection.size());
assertEquals(this.wrappedCollection(), adapterCollection);
assertEquals("foo", adapterCollection.iterator().next());
this.adapter.removeCollectionChangeListener(CollectionValueModel.VALUES, listener);
adapterCollection = CollectionTools.collection(this.adapter.iterator());
assertEquals(0, adapterCollection.size());
assertEquals(new HashBag<String>(), adapterCollection);
this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, listener);
adapterCollection = CollectionTools.collection(this.adapter.iterator());
assertEquals(1, adapterCollection.size());
assertEquals(this.wrappedCollection(), adapterCollection);
assertEquals("foo", adapterCollection.iterator().next());
}
public void testHasListeners() {
assertFalse(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
CoordinatedBag<String> synchCollection = new CoordinatedBag<String>(this.adapter);
assertTrue(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
this.adapter.removeCollectionChangeListener(CollectionValueModel.VALUES, synchCollection);
assertFalse(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
ChangeListener cl = new ChangeAdapter();
this.adapter.addChangeListener(cl);
assertTrue(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
this.adapter.removeChangeListener(cl);
assertFalse(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
}
public void testListChangedToEmpty() {
this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, new TestListener() {
@Override
public void itemsAdded(CollectionAddEvent e) {/* OK */}
@Override
public void itemsRemoved(CollectionRemoveEvent e) {/* OK */}
});
this.wrappedValueHolder.setValue("foo");
JList jList = new JList(new ListModelAdapter(this.adapter));
this.wrappedValueHolder.setValue(null);
assertEquals(0, jList.getModel().getSize());
}
public void testCollectionChangedFromEmpty() {
this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, new TestListener() {
@Override
public void itemsAdded(CollectionAddEvent e) {/* OK */}
});
JList jList = new JList(new ListModelAdapter(this.adapter));
this.wrappedValueHolder.setValue("foo");
assertEquals(1, jList.getModel().getSize());
}
public void testCollectionChangedFromEmptyToEmpty() {
this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, new TestListener());
JList jList = new JList(new ListModelAdapter(this.adapter));
this.wrappedValueHolder.setValue(null);
assertEquals(0, jList.getModel().getSize());
}
// ********** member class **********
static class TestListener implements CollectionChangeListener {
public void collectionChanged(CollectionChangeEvent event) {
fail("unexpected event");
}
public void collectionCleared(CollectionClearEvent event) {
fail("unexpected event");
}
public void itemsAdded(CollectionAddEvent event) {
fail("unexpected event");
}
public void itemsRemoved(CollectionRemoveEvent event) {
fail("unexpected event");
}
}
}
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