| /******************************************************************************* |
| * Copyright (c) 2006, 2009 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 |
| * Ashley Cambrell - bug 198904 |
| * Eric Rizzo - bug 134884 |
| * Matthew Hall - bug 194734, 195222 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.tests.internal.databinding.swt; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker; |
| import org.eclipse.jface.databinding.swt.ISWTObservableValue; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.jface.databinding.swt.WidgetProperties; |
| import org.eclipse.jface.tests.databinding.AbstractSWTTestCase; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CCombo; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class CComboObservableValueTest extends AbstractSWTTestCase { |
| public void testDispose() throws Exception { |
| CCombo combo = new CCombo(getShell(), SWT.NONE); |
| ISWTObservableValue observableValue = SWTObservables.observeText(combo); |
| |
| ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker(); |
| observableValue.addValueChangeListener(testCounterValueChangeListener); |
| |
| assertEquals("", combo.getText()); |
| assertEquals("", observableValue.getValue()); |
| |
| String expected1 = "Test123"; |
| combo.setText(expected1); |
| |
| assertEquals(1, testCounterValueChangeListener.count); |
| assertEquals(expected1, combo.getText()); |
| assertEquals(expected1, observableValue.getValue()); |
| |
| observableValue.dispose(); |
| |
| String expected2 = "NewValue123"; |
| combo.setText(expected2); |
| |
| assertEquals(1, testCounterValueChangeListener.count); |
| assertEquals(expected2, combo.getText()); |
| } |
| |
| public void testSetValueWithNull() { |
| testSetValueWithNull(WidgetProperties.text()); |
| testSetValueWithNull(WidgetProperties.selection()); |
| } |
| |
| protected void testSetValueWithNull(IValueProperty property) { |
| CCombo combo = new CCombo(getShell(), SWT.NONE); |
| combo.setItems(new String[] { "one", "two", "three" }); |
| IObservableValue observable = property.observe(Realm.getDefault(), |
| combo); |
| |
| observable.setValue("two"); |
| assertEquals("two", combo.getText()); |
| assertEquals(1, combo.getSelectionIndex()); |
| |
| observable.setValue(null); |
| assertEquals("", combo.getText()); |
| assertEquals(-1, combo.getSelectionIndex()); |
| } |
| } |