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/*******************************************************************************
* Copyright (c) 2006, 2007 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.AbstractObservableValue;
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 AbstractObservableValueTest extends TestCase {
public void testSetValueRealmChecks() throws Exception {
RealmTester.exerciseCurrent(new Runnable() {
public void run() {
ObservableValueStub observable = new ObservableValueStub();
try {
observable.setValue(null);
} catch (UnsupportedOperationException e) {
// do nothing
}
}
});
}
public void testSetValueInvokesDoSetValue() throws Exception {
class ValueStub extends ObservableValueStub {
int doSetValue;
ValueStub(Realm realm) {
super(realm);
}
protected void doSetValue(Object value) {
doSetValue++;
}
}
Realm realm = new CurrentRealm(true);
ValueStub stub = new ValueStub(realm);
assertEquals(0, stub.doSetValue);
stub.setValue(new Object());
assertEquals("doSetValue should have been invoked", 1, stub.doSetValue);
}
public void testFireValueChangeRealmChecks() throws Exception {
RealmTester.exerciseCurrent(new Runnable() {
public void run() {
ObservableValueStub observable = new ObservableValueStub();
observable.fireValueChange(null);
}
});
}
private static class ObservableValueStub extends AbstractObservableValue {
ObservableValueStub() {
super(Realm.getDefault());
}
private ObservableValueStub(Realm realm) {
super(realm);
}
protected Object doGetValue() {
return null;
}
public Object getValueType() {
return null;
}
protected void fireValueChange(ValueDiff diff) {
super.fireValueChange(diff);
}
}
}
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