| /******************************************************************************* |
| * 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 233306) |
| ******************************************************************************/ |
| |
| package org.eclipse.core.tests.databinding.observable.map; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.databinding.observable.map.BidiObservableMap; |
| import org.eclipse.core.databinding.observable.map.BidirectionalMap; |
| import org.eclipse.core.databinding.observable.map.IObservableMap; |
| import org.eclipse.core.databinding.observable.map.WritableMap; |
| import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker; |
| import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class BidiObservableMapTest extends AbstractDefaultRealmTestCase { |
| private IObservableMap wrappedMap; |
| private BidiObservableMap bidiMap; |
| private Object key1; |
| private Object key2; |
| private Object value1; |
| private Object value2; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| wrappedMap = new WritableMap(); |
| bidiMap = new BidiObservableMap(wrappedMap); |
| key1 = new Object(); |
| key2 = new Object(); |
| value1 = new Object(); |
| value2 = new Object(); |
| } |
| |
| public void testConstructor_NullArgument() { |
| try { |
| new BidirectionalMap(null); |
| fail("Expected NullPointerException"); |
| } catch (NullPointerException expected) { |
| } |
| } |
| |
| public void withAndWithoutListeners(Runnable runnable) throws Exception { |
| // assuming setUp() beforehand |
| |
| // without listeners |
| runnable.run(); |
| |
| tearDown(); |
| setUp(); |
| |
| // with listeners |
| ChangeEventTracker.observe(wrappedMap); |
| runnable.run(); |
| |
| // assuming tearDown() afterward |
| } |
| |
| public void testGetKeys_Empty() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| assertEquals(Collections.EMPTY_SET, bidiMap.getKeys(value1)); |
| } |
| }); |
| } |
| |
| public void testGetKeys_NullKey() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| wrappedMap.put(null, value1); |
| assertEquals(Collections.singleton(null), bidiMap |
| .getKeys(value1)); |
| } |
| }); |
| } |
| |
| public void testGetKeys_NullValue() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| wrappedMap.put(key1, null); |
| assertEquals(Collections.singleton(key1), bidiMap.getKeys(null)); |
| } |
| }); |
| } |
| |
| public void testGetKeys_SinglePut() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| wrappedMap.put(key1, value1); |
| assertEquals(Collections.singleton(key1), bidiMap |
| .getKeys(value1)); |
| } |
| }); |
| } |
| |
| public void testGetKeys_ReplaceValue() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| wrappedMap.put(key1, value1); |
| assertEquals(Collections.singleton(key1), bidiMap |
| .getKeys(value1)); |
| assertEquals(Collections.EMPTY_SET, bidiMap.getKeys(value2)); |
| wrappedMap.put(key1, value2); |
| assertEquals(Collections.EMPTY_SET, bidiMap.getKeys(value1)); |
| assertEquals(Collections.singleton(key1), bidiMap |
| .getKeys(value2)); |
| } |
| }); |
| } |
| |
| public void testGetKeys_MultipleKeysWithSameValue() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| wrappedMap.put(key1, value1); |
| wrappedMap.put(key2, value1); |
| |
| Set expected = new HashSet(); |
| expected.add(key1); |
| expected.add(key2); |
| assertEquals(expected, bidiMap.getKeys(value1)); |
| } |
| }); |
| } |
| |
| public void testContainsValue_PutAndRemove() throws Exception { |
| withAndWithoutListeners(new Runnable() { |
| public void run() { |
| assertFalse(bidiMap.containsValue(value1)); |
| wrappedMap.put(key1, value1); |
| assertTrue(bidiMap.containsValue(value1)); |
| wrappedMap.put(key2, value1); |
| assertTrue(bidiMap.containsValue(value1)); |
| wrappedMap.remove(key1); |
| assertTrue(bidiMap.containsValue(value1)); |
| wrappedMap.remove(key2); |
| assertFalse(bidiMap.containsValue(value1)); |
| } |
| }); |
| } |
| } |