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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
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package org.apache.cayenne.graph;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class NodeDiffTest {
@Test
public void testGetNodeId() {
Object id = new Object();
NodeDiff diff = new ConcreteNodeDiff(id);
assertSame(id, diff.getNodeId());
}
@Test
public void testCompareTo() {
NodeDiff d1 = new ConcreteNodeDiff("x", 1);
NodeDiff d2 = new ConcreteNodeDiff("y", 2);
NodeDiff d3 = new ConcreteNodeDiff("z", 3);
NodeDiff d4 = new ConcreteNodeDiff("a", 2);
assertTrue(d1.compareTo(d2) < 0);
assertTrue(d2.compareTo(d1) > 0);
assertTrue(d1.compareTo(d3) < 0);
assertTrue(d2.compareTo(d4) == 0);
assertTrue(d2.compareTo(d3) < 0);
}
@SuppressWarnings("serial")
class ConcreteNodeDiff extends NodeDiff {
public ConcreteNodeDiff(Object nodeId) {
super(nodeId);
}
public ConcreteNodeDiff(Object nodeId, int diffId) {
super(nodeId, diffId);
}
@Override
public void apply(GraphChangeHandler tracker) {
}
@Override
public void undo(GraphChangeHandler tracker) {
}
}
}