| /******************************************************************************* |
| * Copyright (c) 2006, 2008 Brad Reynolds and others. |
| * 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: |
| * Brad Reynolds - initial API and implementation |
| * Brad Reynolds - bug 167204 |
| * Matthew Hall - bugs 208858, 213145, 247367, 349038 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.tests.databinding.observable.list; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| import org.eclipse.core.databinding.observable.ChangeEvent; |
| import org.eclipse.core.databinding.observable.Diffs; |
| import org.eclipse.core.databinding.observable.DisposeEvent; |
| import org.eclipse.core.databinding.observable.IChangeListener; |
| import org.eclipse.core.databinding.observable.IDisposeListener; |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.IObservableCollection; |
| import org.eclipse.core.databinding.observable.IStaleListener; |
| import org.eclipse.core.databinding.observable.ObservableTracker; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.StaleEvent; |
| import org.eclipse.core.databinding.observable.list.AbstractObservableList; |
| import org.eclipse.core.databinding.observable.list.IListChangeListener; |
| import org.eclipse.core.databinding.observable.list.ListChangeEvent; |
| import org.eclipse.core.databinding.observable.list.ListDiff; |
| import org.eclipse.core.databinding.observable.list.ListDiffEntry; |
| import org.eclipse.jface.databinding.conformance.ObservableListContractTest; |
| import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate; |
| import org.eclipse.jface.databinding.conformance.util.CurrentRealm; |
| import org.eclipse.jface.databinding.conformance.util.RealmTester; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class AbstractObservableListTest extends TestCase { |
| private AbstractObservableListStub list; |
| |
| protected void setUp() throws Exception { |
| RealmTester.setDefault(new CurrentRealm(true)); |
| list = new AbstractObservableListStub(); |
| } |
| |
| protected void tearDown() throws Exception { |
| RealmTester.setDefault(null); |
| } |
| |
| public void testFireChangeRealmChecks() throws Exception { |
| RealmTester.exerciseCurrent(new Runnable() { |
| public void run() { |
| list.fireChange(); |
| } |
| }); |
| } |
| |
| public void testFireStaleRealmChecks() throws Exception { |
| RealmTester.exerciseCurrent(new Runnable() { |
| public void run() { |
| list.fireStale(); |
| } |
| }); |
| } |
| |
| public void testFireListChangeRealmChecks() throws Exception { |
| RealmTester.exerciseCurrent(new Runnable() { |
| public void run() { |
| list.fireListChange(null); |
| } |
| }); |
| } |
| |
| public void testMove_FiresListChanges() throws Exception { |
| list = new MutableObservableListStub(); |
| final Object element = new Object(); |
| list.add(element); |
| list.add(new Object()); |
| |
| final List diffEntries = new ArrayList(); |
| list.addListChangeListener(new IListChangeListener() { |
| public void handleListChange(ListChangeEvent event) { |
| diffEntries.addAll(Arrays.asList(event.diff.getDifferences())); |
| } |
| }); |
| |
| list.move(0, 1); |
| |
| assertEquals(2, diffEntries.size()); |
| |
| ListDiffEntry entry = (ListDiffEntry) diffEntries.get(0); |
| assertEquals(element, entry.getElement()); |
| assertEquals(false, entry.isAddition()); |
| assertEquals(0, entry.getPosition()); |
| |
| entry = (ListDiffEntry) diffEntries.get(1); |
| assertEquals(element, entry.getElement()); |
| assertEquals(true, entry.isAddition()); |
| assertEquals(1, entry.getPosition()); |
| } |
| |
| public void testMove_MovesElement() throws Exception { |
| list = new MutableObservableListStub(); |
| final Object element0 = new Object(); |
| final Object element1 = new Object(); |
| list.add(element0); |
| list.add(element1); |
| |
| list.move(0, 1); |
| |
| assertEquals(element1, list.get(0)); |
| assertEquals(element0, list.get(1)); |
| } |
| |
| public void testAddListChangeListener_AfterDispose() { |
| list.dispose(); |
| list.addListChangeListener(new IListChangeListener() { |
| public void handleListChange(ListChangeEvent event) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testRemoveListChangeListener_AfterDispose() { |
| list.dispose(); |
| list.removeListChangeListener(new IListChangeListener() { |
| public void handleListChange(ListChangeEvent event) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testAddChangeListener_AfterDispose() { |
| list.dispose(); |
| list.addChangeListener(new IChangeListener() { |
| public void handleChange(ChangeEvent event) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testRemoveChangeListener_AfterDispose() { |
| list.dispose(); |
| list.removeChangeListener(new IChangeListener() { |
| public void handleChange(ChangeEvent event) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testAddStaleListener_AfterDispose() { |
| list.dispose(); |
| list.addStaleListener(new IStaleListener() { |
| public void handleStale(StaleEvent staleEvent) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testRemoveStaleListener_AfterDispose() { |
| list.dispose(); |
| list.removeStaleListener(new IStaleListener() { |
| public void handleStale(StaleEvent staleEvent) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testAddDisposeListener_AfterDispose() { |
| list.dispose(); |
| list.addDisposeListener(new IDisposeListener() { |
| public void handleDispose(DisposeEvent event) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testRemoveDisposeListener_AfterDispose() { |
| list.dispose(); |
| list.removeDisposeListener(new IDisposeListener() { |
| public void handleDispose(DisposeEvent event) { |
| // do nothing |
| } |
| }); |
| } |
| |
| public void testHasListeners_AfterDispose() { |
| list.dispose(); |
| list.hasListeners(); |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(AbstractObservableListTest.class.getName()); |
| suite.addTestSuite(AbstractObservableListTest.class); |
| suite.addTest(ObservableListContractTest.suite(new Delegate())); |
| return suite; |
| } |
| |
| /* package */static class Delegate extends |
| AbstractObservableCollectionContractDelegate { |
| |
| public IObservableCollection createObservableCollection(Realm realm, |
| final int itemCount) { |
| |
| String[] items = new String[itemCount]; |
| for (int i = 0; i < itemCount; i++) { |
| items[i] = String.valueOf(i); |
| } |
| |
| AbstractObservableListStub observable = new AbstractObservableListStub(realm, Arrays.asList(items)); |
| observable.elementType = String.class; |
| return observable; |
| } |
| |
| public Object getElementType(IObservableCollection collection) { |
| return String.class; |
| } |
| |
| public void change(IObservable observable) { |
| ((AbstractObservableListStub) observable).fireChange(); |
| } |
| } |
| |
| static class AbstractObservableListStub extends AbstractObservableList { |
| Object elementType; |
| |
| List wrappedList; |
| |
| public AbstractObservableListStub() { |
| super(); |
| wrappedList = new ArrayList(); |
| } |
| |
| public AbstractObservableListStub(Realm realm, List list) { |
| super(realm); |
| this.wrappedList = list; |
| } |
| |
| protected int doGetSize() { |
| return wrappedList.size(); |
| } |
| |
| public Object get(int index) { |
| ObservableTracker.getterCalled(this); |
| return wrappedList.get(index); |
| } |
| |
| public Object getElementType() { |
| return elementType; |
| } |
| |
| protected void fireChange() { |
| super.fireChange(); |
| } |
| |
| protected void fireStale() { |
| super.fireStale(); |
| } |
| |
| protected void fireListChange(ListDiff diff) { |
| super.fireListChange(diff); |
| } |
| |
| protected synchronized boolean hasListeners() { |
| return super.hasListeners(); |
| } |
| } |
| |
| static class MutableObservableListStub extends AbstractObservableListStub { |
| // These methods are present so we can test AbstractObservableList.move() |
| |
| public void add(int index, Object element) { |
| checkRealm(); |
| wrappedList.add(index, element); |
| fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
| index, true, element))); |
| } |
| |
| public Object remove(int index) { |
| checkRealm(); |
| Object element = wrappedList.remove(index); |
| fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
| index, false, element))); |
| return element; |
| } |
| } |
| } |