| /******************************************************************************* |
| * 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.core.tests.databinding.observable.value; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.AbstractVetoableValue; |
| import org.eclipse.core.databinding.observable.value.ValueDiff; |
| import org.eclipse.jface.databinding.conformance.util.CurrentRealm; |
| import org.eclipse.jface.databinding.conformance.util.RealmTester; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class AbstractVetoableValueTest extends TestCase { |
| public void testSetValueInvokesDoSetApprovedValue() throws Exception { |
| class VetoableValue extends VetoableValueStub { |
| int count; |
| Object value; |
| |
| VetoableValue(Realm realm) { |
| super(realm); |
| } |
| |
| protected void doSetApprovedValue(Object value) { |
| count++; |
| this.value = value; |
| } |
| } |
| |
| Realm realm = new CurrentRealm(true); |
| VetoableValue vetoableValue = new VetoableValue(realm); |
| assertEquals(0, vetoableValue.count); |
| assertEquals(null, vetoableValue.value); |
| |
| Object value = new Object(); |
| vetoableValue.setValue(value); |
| assertEquals(1, vetoableValue.count); |
| assertEquals(value, vetoableValue.value); |
| } |
| |
| public void testFireValueChangeRealmChecks() throws Exception { |
| RealmTester.exerciseCurrent(new Runnable() { |
| public void run() { |
| VetoableValueStub observable = new VetoableValueStub(); |
| observable.fireValueChanging(null); |
| } |
| }); |
| } |
| |
| private static class VetoableValueStub extends AbstractVetoableValue { |
| VetoableValueStub() { |
| this(Realm.getDefault()); |
| } |
| |
| VetoableValueStub(Realm realm) { |
| super(realm); |
| } |
| |
| protected void doSetApprovedValue(Object value) { |
| } |
| |
| protected Object doGetValue() { |
| return null; |
| } |
| |
| |
| public Object getValueType() { |
| return null; |
| } |
| |
| protected boolean fireValueChanging(ValueDiff diff) { |
| return super.fireValueChanging(diff); |
| } |
| } |
| } |