| /******************************************************************************* |
| * 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 junit.framework.TestCase; |
| |
| import org.eclipse.jpt.utility.internal.BidiFilter; |
| import org.eclipse.jpt.utility.internal.model.AbstractModel; |
| import org.eclipse.jpt.utility.internal.model.value.FilteringWritablePropertyValueModel; |
| import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel; |
| import org.eclipse.jpt.utility.model.event.PropertyChangeEvent; |
| import org.eclipse.jpt.utility.model.listener.ChangeAdapter; |
| import org.eclipse.jpt.utility.model.listener.ChangeListener; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel; |
| import org.eclipse.jpt.utility.tests.internal.TestTools; |
| |
| @SuppressWarnings("nls") |
| public class FilteringPropertyValueModelTests extends TestCase { |
| private WritablePropertyValueModel<String> objectHolder; |
| PropertyChangeEvent event; |
| |
| private WritablePropertyValueModel<String> filteredObjectHolder; |
| PropertyChangeEvent filteredEvent; |
| |
| public FilteringPropertyValueModelTests(String name) { |
| super(name); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| this.objectHolder = new SimplePropertyValueModel<String>("foo"); |
| this.filteredObjectHolder = new FilteringWritablePropertyValueModel<String>(this.objectHolder, this.buildFilter()); |
| } |
| |
| private BidiFilter<String> buildFilter() { |
| return new BidiFilter<String>() { |
| public boolean accept(String s) { |
| return (s != null) && s.startsWith("b"); |
| } |
| public boolean reverseAccept(String s) { |
| return (s != null) && s.startsWith("b"); |
| } |
| }; |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| TestTools.clear(this); |
| super.tearDown(); |
| } |
| |
| public void testValue() { |
| assertEquals("foo", this.objectHolder.getValue()); |
| assertNull(this.filteredObjectHolder.getValue()); |
| |
| this.objectHolder.setValue("bar"); |
| assertEquals("bar", this.objectHolder.getValue()); |
| assertNotNull(this.filteredObjectHolder.getValue()); |
| assertEquals("bar", this.filteredObjectHolder.getValue()); |
| |
| this.objectHolder.setValue("baz"); |
| assertEquals("baz", this.objectHolder.getValue()); |
| assertNotNull(this.filteredObjectHolder.getValue()); |
| assertEquals("baz", this.filteredObjectHolder.getValue()); |
| |
| this.objectHolder.setValue(null); |
| assertNull(this.objectHolder.getValue()); |
| assertNull(this.filteredObjectHolder.getValue()); |
| |
| this.objectHolder.setValue("foo"); |
| assertEquals("foo", this.objectHolder.getValue()); |
| assertNull(this.filteredObjectHolder.getValue()); |
| } |
| |
| public void testSetValue() { |
| this.filteredObjectHolder.setValue("bar"); |
| assertEquals("bar", this.objectHolder.getValue()); |
| assertEquals("bar", this.filteredObjectHolder.getValue()); |
| |
| this.filteredObjectHolder.setValue("foo"); |
| assertEquals("bar", this.objectHolder.getValue()); |
| assertEquals("bar", this.filteredObjectHolder.getValue()); |
| |
| this.filteredObjectHolder.setValue(null); |
| assertEquals("bar", this.objectHolder.getValue()); |
| assertEquals("bar", this.filteredObjectHolder.getValue()); |
| |
| this.filteredObjectHolder.setValue("baz"); |
| assertEquals("baz", this.objectHolder.getValue()); |
| assertEquals("baz", this.filteredObjectHolder.getValue()); |
| } |
| |
| public void testLazyListening() { |
| assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(PropertyValueModel.VALUE)); |
| ChangeListener listener = this.buildFilteredListener(); |
| this.filteredObjectHolder.addChangeListener(listener); |
| assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(PropertyValueModel.VALUE)); |
| this.filteredObjectHolder.removeChangeListener(listener); |
| assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(PropertyValueModel.VALUE)); |
| |
| this.filteredObjectHolder.addPropertyChangeListener(PropertyValueModel.VALUE, listener); |
| assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(PropertyValueModel.VALUE)); |
| this.filteredObjectHolder.removePropertyChangeListener(PropertyValueModel.VALUE, listener); |
| assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(PropertyValueModel.VALUE)); |
| } |
| |
| public void testPropertyChange1() { |
| this.objectHolder.addChangeListener(this.buildListener()); |
| this.filteredObjectHolder.addChangeListener(this.buildFilteredListener()); |
| this.verifyPropertyChanges(); |
| } |
| |
| public void testPropertyChange2() { |
| this.objectHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.buildListener()); |
| this.filteredObjectHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.buildFilteredListener()); |
| this.verifyPropertyChanges(); |
| } |
| |
| private void verifyPropertyChanges() { |
| this.event = null; |
| this.filteredEvent = null; |
| this.objectHolder.setValue("bar"); |
| this.verifyEvent(this.event, this.objectHolder, "foo", "bar"); |
| this.verifyEvent(this.filteredEvent, this.filteredObjectHolder, null, "bar"); |
| |
| this.event = null; |
| this.filteredEvent = null; |
| this.objectHolder.setValue("baz"); |
| this.verifyEvent(this.event, this.objectHolder, "bar", "baz"); |
| this.verifyEvent(this.filteredEvent, this.filteredObjectHolder, "bar", "baz"); |
| |
| this.event = null; |
| this.filteredEvent = null; |
| this.objectHolder.setValue("foo"); |
| this.verifyEvent(this.event, this.objectHolder, "baz", "foo"); |
| this.verifyEvent(this.filteredEvent, this.filteredObjectHolder, "baz", null); |
| |
| this.event = null; |
| this.filteredEvent = null; |
| this.objectHolder.setValue("fop"); |
| this.verifyEvent(this.event, this.objectHolder, "foo", "fop"); |
| assertNull(this.filteredEvent); |
| |
| this.event = null; |
| this.filteredEvent = null; |
| this.objectHolder.setValue(null); |
| this.verifyEvent(this.event, this.objectHolder, "fop", null); |
| assertNull(this.filteredEvent); |
| |
| this.event = null; |
| this.filteredEvent = null; |
| this.objectHolder.setValue("bar"); |
| this.verifyEvent(this.event, this.objectHolder, null, "bar"); |
| this.verifyEvent(this.filteredEvent, this.filteredObjectHolder, null, "bar"); |
| } |
| |
| private ChangeListener buildListener() { |
| return new ChangeAdapter() { |
| @Override |
| public void propertyChanged(PropertyChangeEvent e) { |
| FilteringPropertyValueModelTests.this.event = e; |
| } |
| }; |
| } |
| |
| private ChangeListener buildFilteredListener() { |
| return new ChangeAdapter() { |
| @Override |
| public void propertyChanged(PropertyChangeEvent e) { |
| FilteringPropertyValueModelTests.this.filteredEvent = e; |
| } |
| }; |
| } |
| |
| private void verifyEvent(PropertyChangeEvent e, Object source, Object oldValue, Object newValue) { |
| assertEquals(source, e.getSource()); |
| assertEquals(PropertyValueModel.VALUE, e.getPropertyName()); |
| assertEquals(oldValue, e.getOldValue()); |
| assertEquals(newValue, e.getNewValue()); |
| } |
| |
| } |