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/*******************************************************************************
* Copyright (c) 2006, 2018 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Ovidio Mallo - bug 247741
* Matthew Hall - bug 274450
*******************************************************************************/
package org.eclipse.core.tests.databinding.observable.map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.observable.map.ObservableMap;
import org.eclipse.jface.databinding.conformance.util.CurrentRealm;
import org.eclipse.jface.databinding.conformance.util.MapChangeEventTracker;
import org.eclipse.jface.databinding.conformance.util.RealmTester;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* @since 3.2
*
*/
public class ObservableMapTest {
ObservableMapStub<Object, Object> map;
@Before
public void setUp() throws Exception {
RealmTester.setDefault(new CurrentRealm(true));
map = new ObservableMapStub<>(new HashMap<>());
}
@After
public void tearDown() throws Exception {
RealmTester.setDefault(null);
}
@Test
public void testDisposeMapChangeListeners() throws Exception {
MapChangeEventTracker<?, ?> listener = MapChangeEventTracker.observe(map);
assertEquals(0, listener.count);
map.fireMapChange(null);
assertEquals(1, listener.count);
map.dispose();
try {
map.fireMapChange(null);
} catch (Exception e) {
// do nothing
}
assertEquals("listener should not have been notified", 1,
listener.count);
}
@Test
public void testIsStaleRealmChecks() throws Exception {
RealmTester.exerciseCurrent(() -> map.isStale());
}
@Test
public void testSetStaleRealmChecks() throws Exception {
RealmTester.exerciseCurrent(() -> map.setStale(true));
}
@Test
public void testFireMapChangeRealmChecks() throws Exception {
RealmTester.exerciseCurrent(() -> map.fireMapChange(null));
}
@Test
public void testEquals() {
assertTrue(map.equals(Collections.emptyMap()));
}
static class ObservableMapStub<K, V> extends ObservableMap<K, V> {
/**
* @param wrappedMap
*/
public ObservableMapStub(Map<K, V> wrappedMap) {
super(wrappedMap);
}
@Override
protected void fireMapChange(MapDiff<K, V> diff) {
super.fireMapChange(diff);
}
}
}
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