| /******************************************************************************* |
| * Copyright (c) 2006 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 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.tests.internal.databinding.internal.swt; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| |
| 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.conformance.databinding.AbstractObservableValueContractDelegate; |
| import org.eclipse.jface.conformance.databinding.SWTMutableObservableValueContractTest; |
| import org.eclipse.jface.conformance.databinding.SWTObservableValueContractTest; |
| import org.eclipse.jface.conformance.databinding.SuiteBuilder; |
| import org.eclipse.jface.internal.databinding.internal.swt.ButtonObservableValue; |
| import org.eclipse.jface.tests.databinding.EventTrackers.ValueChangeEventTracker; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class ButtonObservableValueTest extends TestCase { |
| private Shell shell; |
| private Button button; |
| private ButtonObservableValue observableValue; |
| private ValueChangeEventTracker listener; |
| |
| /* (non-Javadoc) |
| * @see junit.framework.TestCase#setUp() |
| */ |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| shell = new Shell(); |
| button = new Button(shell, SWT.CHECK); |
| observableValue = new ButtonObservableValue( |
| button); |
| listener = new ValueChangeEventTracker(); |
| } |
| |
| /* (non-Javadoc) |
| * @see junit.framework.TestCase#tearDown() |
| */ |
| protected void tearDown() throws Exception { |
| shell.dispose(); |
| |
| super.tearDown(); |
| } |
| |
| public void testSelection_ChangeNotifiesObservable() throws Exception { |
| observableValue.addValueChangeListener(listener); |
| button.setSelection(true); |
| |
| // precondition |
| assertEquals(0, listener.count); |
| button.notifyListeners(SWT.Selection, null); |
| |
| assertEquals("Selection event should notify observable.", 1, |
| listener.count); |
| } |
| |
| public void testSelection_NoChange() throws Exception { |
| button.setSelection(true); |
| button.notifyListeners(SWT.Selection, null); |
| observableValue.addValueChangeListener(listener); |
| |
| //precondition |
| assertEquals(0, listener.count); |
| |
| button.notifyListeners(SWT.Selection, null); |
| assertEquals("Value did not change. Listeners should not have been notified.", 0, listener.count); |
| } |
| |
| public static Test suite() { |
| Delegate delegate = new Delegate(); |
| |
| return new SuiteBuilder().addTests(ButtonObservableValueTest.class) |
| .addObservableContractTest( |
| SWTObservableValueContractTest.class, delegate) |
| .addObservableContractTest( |
| SWTMutableObservableValueContractTest.class, delegate) |
| .build(); |
| } |
| |
| /* package */static class Delegate extends |
| AbstractObservableValueContractDelegate { |
| Shell shell; |
| |
| Button button; |
| |
| public void setUp() { |
| super.setUp(); |
| |
| shell = new Shell(); |
| button = new Button(shell, SWT.CHECK); |
| } |
| |
| public void tearDown() { |
| super.tearDown(); |
| |
| shell.dispose(); |
| } |
| |
| public IObservableValue createObservableValue(Realm realm) { |
| return new ButtonObservableValue(realm, button); |
| } |
| |
| public Object getValueType(IObservableValue observable) { |
| return Boolean.TYPE; |
| } |
| |
| public void change(IObservable observable) { |
| IObservableValue observableValue = (IObservableValue) observable; |
| observableValue.setValue(createValue(observableValue)); |
| } |
| |
| public Object createValue(IObservableValue observable) { |
| if (Boolean.TRUE.equals(observable.getValue())) { |
| return Boolean.FALSE; |
| } |
| |
| return Boolean.TRUE; |
| } |
| } |
| } |