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/*******************************************************************************
* Copyright (c) 2007, 2009 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.tests.internal.model.value;
import junit.framework.TestCase;
import org.eclipse.jpt.common.utility.internal.model.value.SimplePropertyValueModel;
import org.eclipse.jpt.common.utility.model.event.PropertyChangeEvent;
import org.eclipse.jpt.common.utility.model.listener.ChangeAdapter;
import org.eclipse.jpt.common.utility.model.listener.ChangeListener;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.common.utility.model.value.WritablePropertyValueModel;
import org.eclipse.jpt.common.utility.tests.internal.TestTools;
@SuppressWarnings("nls")
public class SimplePropertyValueModelTests extends TestCase {
private WritablePropertyValueModel<String> objectHolder;
PropertyChangeEvent event;
public SimplePropertyValueModelTests(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
this.objectHolder = new SimplePropertyValueModel<String>("foo");
}
@Override
protected void tearDown() throws Exception {
TestTools.clear(this);
super.tearDown();
}
public void testValue() {
assertEquals("foo", this.objectHolder.getValue());
}
public void testSetValue() {
this.objectHolder.setValue("bar");
assertEquals("bar", this.objectHolder.getValue());
this.objectHolder.setValue(null);
assertEquals(null, this.objectHolder.getValue());
this.objectHolder.setValue("baz");
assertEquals("baz", this.objectHolder.getValue());
}
public void testPropertyChange1() {
this.objectHolder.addChangeListener(this.buildListener());
this.verifyPropertyChange();
}
public void testPropertyChange2() {
this.objectHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.buildListener());
this.verifyPropertyChange();
}
private void verifyPropertyChange() {
this.event = null;
this.objectHolder.setValue("bar");
this.verifyEvent("foo", "bar");
this.event = null;
this.objectHolder.setValue(null);
this.verifyEvent("bar", null);
this.event = null;
this.objectHolder.setValue("baz");
this.verifyEvent(null, "baz");
}
private ChangeListener buildListener() {
return new ChangeAdapter() {
@Override
public void propertyChanged(PropertyChangeEvent e) {
SimplePropertyValueModelTests.this.event = e;
}
};
}
private void verifyEvent(Object oldValue, Object newValue) {
assertEquals(this.objectHolder, this.event.getSource());
assertEquals(PropertyValueModel.VALUE, this.event.getPropertyName());
assertEquals(oldValue, this.event.getOldValue());
assertEquals(newValue, this.event.getNewValue());
}
}
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