| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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 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.CollectionChangeEvent; |
| 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; |
| |
| import junit.framework.TestCase; |
| |
| 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(CollectionChangeEvent 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(CollectionChangeEvent 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)); |
| this.adapter.addCollectionChangeListener(synchCollection); |
| assertTrue(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES)); |
| this.adapter.removeCollectionChangeListener(synchCollection); |
| assertFalse(((AbstractModel) this.adapter).hasAnyCollectionChangeListeners(CollectionValueModel.VALUES)); |
| } |
| |
| public void testListChangedToEmpty() { |
| this.adapter.addCollectionChangeListener(CollectionValueModel.VALUES, new TestListener() { |
| @Override |
| public void itemsAdded(CollectionChangeEvent e) {/* OK */} |
| @Override |
| public void itemsRemoved(CollectionChangeEvent 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(CollectionChangeEvent 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(CollectionChangeEvent event) { |
| fail("unexpected event"); |
| } |
| public void itemsAdded(CollectionChangeEvent event) { |
| fail("unexpected event"); |
| } |
| public void itemsRemoved(CollectionChangeEvent event) { |
| fail("unexpected event"); |
| } |
| } |
| |
| } |