| /******************************************************************************* |
| * Copyright (c) 2008 Matthew Hall 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: |
| * Matthew Hall - initial API and implementation (bug 239015) |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.tests.internal.databinding.viewers; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.WritableList; |
| import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; |
| import org.eclipse.core.databinding.observable.set.IObservableSet; |
| import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider; |
| import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class ObservableCollectionTreeContentProviderTest extends |
| AbstractDefaultRealmTestCase { |
| private Shell shell; |
| private TreeViewer viewer; |
| ObservableListTreeContentProvider contentProvider; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| shell = new Shell(); |
| viewer = new TreeViewer(shell); |
| } |
| |
| protected void tearDown() throws Exception { |
| shell.dispose(); |
| shell = null; |
| viewer = null; |
| super.tearDown(); |
| } |
| |
| private void createContentProvider(IObservableFactory factory) { |
| contentProvider = new ObservableListTreeContentProvider( |
| factory, null); |
| viewer.setContentProvider(contentProvider); |
| } |
| |
| public void testGetKnownElements_ExcludesInput() { |
| final Object input = new Object(); |
| Object[] rootElements = new Object[] { "one", "two", "three" }; |
| final IObservableList rootElementList = new WritableList(Arrays |
| .asList(rootElements), null); |
| createContentProvider(new IObservableFactory() { |
| public IObservable createObservable(Object target) { |
| if (target == input) |
| return rootElementList; |
| return null; |
| } |
| }); |
| viewer.setInput(input); |
| contentProvider.getElements(input); |
| |
| IObservableSet knownElements = contentProvider.getKnownElements(); |
| assertFalse(knownElements.contains(input)); |
| assertEquals(new HashSet(Arrays.asList(rootElements)), knownElements); |
| } |
| } |