| /******************************************************************************* |
| * Copyright (c) 2007 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 212235) |
| * Matthew Hall - bug 213145 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.tests.internal.databinding.swt; |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate; |
| import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest; |
| import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker; |
| import org.eclipse.jface.internal.databinding.swt.ShellObservableValue; |
| import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * Tests for ShellObservableValue |
| * |
| * @since 1.2 |
| */ |
| public class ShellObservableValueTest extends AbstractDefaultRealmTestCase { |
| String oldValue; |
| String newValue; |
| Shell shell; |
| ShellObservableValue observable; |
| ValueChangeEventTracker tracker; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| shell = new Shell(); |
| observable = new ShellObservableValue(shell); |
| oldValue = "old"; |
| newValue = "new"; |
| shell.setText(oldValue); |
| tracker = ValueChangeEventTracker.observe(observable); |
| } |
| |
| public void tearDown() throws Exception { |
| observable.dispose(); |
| observable = null; |
| shell.dispose(); |
| shell = null; |
| super.tearDown(); |
| } |
| |
| public void testGetValueType() { |
| assertEquals(String.class, observable.getValueType()); |
| } |
| |
| public void testSetValue_FiresValueChangeEvent() { |
| observable.setValue(newValue); |
| |
| assertEquals(1, tracker.count); |
| assertEquals(oldValue, tracker.event.diff.getOldValue()); |
| assertEquals(newValue, tracker.event.diff.getNewValue()); |
| } |
| |
| public void testSetValue_NullConvertedToEmptyString() { |
| observable.setValue(null); |
| |
| assertEquals("", observable.getValue()); |
| assertEquals("", shell.getText()); |
| } |
| |
| public void testShellSetText_GetValueReturnsSame() { |
| assertEquals(oldValue, observable.getValue()); |
| |
| shell.setText(newValue); |
| |
| assertEquals(newValue, observable.getValue()); |
| } |
| |
| public void testShellSetText_NoValueChangeEvent() { |
| shell.setText(newValue); |
| assertEquals(0, tracker.count); |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(ShellObservableValueTest.class.toString()); |
| suite.addTestSuite(ShellObservableValueTest.class); |
| suite.addTest(SWTMutableObservableValueContractTest.suite(new Delegate())); |
| return suite; |
| } |
| |
| static class Delegate extends AbstractObservableValueContractDelegate { |
| Shell shell; |
| |
| public void setUp() { |
| super.setUp(); |
| shell = new Shell(); |
| } |
| |
| public void tearDown() { |
| shell.dispose(); |
| shell = null; |
| super.tearDown(); |
| } |
| |
| public IObservableValue createObservableValue(Realm realm) { |
| return new ShellObservableValue(realm, shell); |
| } |
| |
| public Object getValueType(IObservableValue observable) { |
| return String.class; |
| } |
| |
| public void change(IObservable observable) { |
| IObservableValue observableValue = (IObservableValue) observable; |
| observableValue.setValue(createValue(observableValue)); |
| } |
| |
| int counter; |
| |
| public Object createValue(IObservableValue observable) { |
| return Integer.toString(counter++); |
| } |
| } |
| } |