/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file 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 specific language governing permissions and
* limitations under the License.
*/
/* $Id: PenaltyTestCase.java 924666 2010-03-18 08:26:30Z jeremias $ */
package org.apache.xmlgraphics.image.loader;
import junit.framework.TestCase;
import org.apache.xmlgraphics.image.loader.util.Penalty;
/**
* Tests for the {@link Penalty}.
*/
public class PenaltyTestCase extends TestCase {
/**
* Tests for penalty handling.
* @throws Exception if an error occurs
*/
public void testTruncatePenalty() throws Exception {
assertEquals(0, Penalty.truncate(0));
long penalty = Integer.MAX_VALUE;
assertEquals(Integer.MAX_VALUE, Penalty.truncate(penalty));
//Force integer wrap-around
penalty++;
assertEquals(Integer.MAX_VALUE, Penalty.truncate(penalty));
//For comparison, normal casting does this
assertEquals(Integer.MIN_VALUE, (int)penalty);
//Now on the other end of the spectrum...
penalty = Integer.MIN_VALUE;
assertEquals(Integer.MIN_VALUE, Penalty.truncate(penalty));
//Force integer wrap-around
penalty -= 500;
assertEquals(Integer.MIN_VALUE, Penalty.truncate(penalty));
//For comparison, normal casting does this
assertEquals(Integer.MAX_VALUE - 499, (int)penalty);
}
/**
* Tests for the {@link Penalty} class.
* @throws Exception if an error occurs
*/
public void testPenalty() throws Exception {
Penalty p1 = Penalty.toPenalty(100);
assertEquals(100, p1.getValue());
Penalty p2 = p1.add(Penalty.toPenalty(50));
assertEquals(150, p2.getValue());
p1 = Penalty.toPenalty(0);
assertEquals(0, p1.getValue());
p1 = Penalty.INFINITE_PENALTY;
assertEquals(Integer.MAX_VALUE, p1.getValue());
assertTrue(p1.isInfinitePenalty());
p2 = p1.add(p2);
assertEquals(Integer.MAX_VALUE, p2.getValue());
assertTrue(p2.isInfinitePenalty());
}
}