| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.java.util; |
| |
| import java.util.Observable; |
| import java.util.Observer; |
| import junit.framework.TestCase; |
| |
| public class OldObserverTest extends TestCase { |
| |
| class Mock_Observer implements Observer { |
| int updateCount = 0; |
| |
| public void update(Observable observed, Object arg) { |
| ++updateCount; |
| } |
| |
| public int getUpdateCount() { |
| return updateCount; |
| } |
| } |
| |
| class TestObservable extends Observable { |
| public void doChange() { |
| setChanged(); |
| } |
| } |
| |
| public void testUpdate() { |
| TestObservable observable = new TestObservable(); |
| Mock_Observer observer = null; |
| observable.addObserver(observer = new Mock_Observer()); |
| observable.notifyObservers(); |
| assertEquals(0, observer.getUpdateCount()); |
| observable.doChange(); |
| observable.notifyObservers(); |
| assertEquals(1, observer.getUpdateCount()); |
| } |
| } |