| /******************************************************************************* |
| * 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 |
| * Brad Reynolds - bug 147515 |
| * Matthew Hall - bugs 221351, 213145 |
| * Ovidio Mallo - bug 241318 |
| * Tom Schindl - bug 287601 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.tests.internal.databinding.observable.masterdetail; |
| |
| 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.masterdetail.IObservableFactory; |
| import org.eclipse.core.databinding.observable.masterdetail.MasterDetailObservables; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.observable.value.IValueChangeListener; |
| import org.eclipse.core.databinding.observable.value.ValueChangeEvent; |
| import org.eclipse.core.databinding.observable.value.WritableValue; |
| import org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableValue; |
| import org.eclipse.jface.databinding.conformance.MutableObservableValueContractTest; |
| import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate; |
| import org.eclipse.jface.databinding.conformance.util.CurrentRealm; |
| import org.eclipse.jface.databinding.conformance.util.DisposeEventTracker; |
| import org.eclipse.jface.databinding.conformance.util.RealmTester; |
| import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class DetailObservableValueTest extends AbstractDefaultRealmTestCase { |
| private WritableValue outerObservable; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| outerObservable = new WritableValue(); |
| } |
| |
| public void testSetValue() throws Exception { |
| WritableValueFactory factory = new WritableValueFactory(); |
| outerObservable.setValue(""); |
| |
| IObservableValue detailObservable = MasterDetailObservables |
| .detailValue(outerObservable, factory, null); |
| WritableValue innerObservable = factory.innerObservable; |
| Object value = new Object(); |
| |
| assertFalse(value.equals(innerObservable.getValue())); |
| detailObservable.setValue(value); |
| assertEquals("inner value", value, innerObservable.getValue()); |
| } |
| |
| public void testGetValueType() throws Exception { |
| DetailObservableValue detailObservable = new DetailObservableValue( |
| outerObservable, null, String.class); |
| assertEquals(String.class, detailObservable.getValueType()); |
| } |
| |
| /** |
| * Asserts that when a null value type is set for the detail observable no |
| * type checking is performed and the value type is always <code>null</code> |
| * . |
| */ |
| public void testGetValueTypeNullValueType() throws Exception { |
| WritableValueFactory factory = new WritableValueFactory(); |
| DetailObservableValue detailObservable = new DetailObservableValue( |
| outerObservable, factory, null); |
| assertNull(detailObservable.getValueType()); |
| factory.type = String.class; |
| |
| // force the inner observable to be recreated |
| outerObservable.setValue("1"); |
| assertNull("value type should be ignored", detailObservable |
| .getValueType()); |
| |
| factory.type = Object.class; |
| |
| // force the inner observable to be recreated |
| outerObservable.setValue("2"); |
| assertNull("value type should be ignored", detailObservable |
| .getValueType()); |
| } |
| |
| /** |
| * Asserts that the master observable value is not disposed upon disposing |
| * its detail observable value (bug 241318). |
| */ |
| public void testMasterNotDisposedWhenDetailDisposed() { |
| class OuterObservable extends WritableValue { |
| boolean disposed = false; |
| |
| public synchronized void dispose() { |
| disposed = true; |
| super.dispose(); |
| } |
| } |
| |
| OuterObservable outerObservable = new OuterObservable(); |
| WritableValueFactory factory = new WritableValueFactory(); |
| DetailObservableValue detailObservable = new DetailObservableValue( |
| outerObservable, factory, null); |
| |
| assertFalse(outerObservable.disposed); |
| |
| detailObservable.dispose(); |
| assertFalse(outerObservable.disposed); |
| } |
| |
| public void testDisposeMasterDisposesDetail() { |
| IObservableValue master = new WritableValue(); |
| WritableValueFactory factory = new WritableValueFactory(); |
| master.setValue(""); |
| |
| IObservableValue detailObservable = MasterDetailObservables |
| .detailValue(master, factory, null); |
| DisposeEventTracker tracker = DisposeEventTracker |
| .observe(detailObservable); |
| |
| master.dispose(); |
| |
| assertEquals(1, tracker.count); |
| assertTrue(detailObservable.isDisposed()); |
| } |
| |
| public void testDisposeWhileFiringEvents() { |
| IObservableValue master = new WritableValue(); |
| WritableValueFactory factory = new WritableValueFactory(); |
| master.setValue(""); |
| |
| final IObservableValue[] detailObservable = new IObservableValue[1]; |
| |
| master.addValueChangeListener(new IValueChangeListener() { |
| public void handleValueChange(ValueChangeEvent event) { |
| detailObservable[0].dispose(); |
| } |
| }); |
| |
| detailObservable[0] = MasterDetailObservables.detailValue(master, |
| factory, null); |
| |
| master.setValue("New Value"); |
| } |
| |
| /** |
| * Factory that creates WritableValues with the target as the value. |
| */ |
| static class WritableValueFactory implements IObservableFactory { |
| Realm realm; |
| WritableValue innerObservable; |
| Object type; |
| |
| public IObservable createObservable(Object target) { |
| return innerObservable = new WritableValue(realm == null ? Realm |
| .getDefault() : realm, target, type); |
| } |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(DetailObservableValueTest.class |
| .getName()); |
| suite.addTestSuite(DetailObservableValueTest.class); |
| suite.addTest(MutableObservableValueContractTest.suite(new Delegate())); |
| return suite; |
| } |
| |
| private static class DetailObservableValueStub extends |
| DetailObservableValue { |
| IObservableValue outerObservableValue; |
| |
| DetailObservableValueStub(IObservableValue outerObservableValue, |
| IObservableFactory valueFactory, Object detailType) { |
| super(outerObservableValue, valueFactory, detailType); |
| this.outerObservableValue = outerObservableValue; |
| } |
| } |
| |
| private static class Delegate extends |
| AbstractObservableValueContractDelegate { |
| private Object valueType; |
| private Realm previousRealm; |
| |
| public void setUp() { |
| super.setUp(); |
| valueType = new Object(); |
| previousRealm = Realm.getDefault(); |
| |
| RealmTester.setDefault(new CurrentRealm()); |
| } |
| |
| public void tearDown() { |
| RealmTester.setDefault(previousRealm); |
| super.tearDown(); |
| } |
| |
| public IObservableValue createObservableValue(Realm realm) { |
| WritableValueFactory valueFactory = new WritableValueFactory(); |
| valueFactory.realm = realm; |
| valueFactory.type = valueType; |
| WritableValue masterObservableValue = new WritableValue(realm, |
| new Object(), null); |
| return new DetailObservableValueStub(masterObservableValue, |
| valueFactory, valueType); |
| } |
| |
| public Object createValue(IObservableValue observable) { |
| return new Object(); |
| } |
| |
| public Object getValueType(IObservableValue observable) { |
| return valueType; |
| } |
| |
| public void change(IObservable observable) { |
| DetailObservableValueStub value = (DetailObservableValueStub) observable; |
| value.outerObservableValue.setValue(createValue(value)); |
| } |
| } |
| } |