/*
* 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.
*/
package org.apache.commons.collections.comparators;
import java.util.Comparator;
import java.util.LinkedList;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* Test the NullComparator.
*
* @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $
*
* @author Michael A. Smith
*/
public abstract class TestNullComparator extends AbstractTestComparator {
public TestNullComparator(String testName) {
super(testName);
}
public static Test suite() {
TestSuite suite = new TestSuite(TestNullComparator.class.getName());
suite.addTest(new TestSuite(TestNullComparator1.class));
suite.addTest(new TestSuite(TestNullComparator2.class));
return suite;
}
/**
* Test the NullComparator with nulls high, using comparable comparator
**/
public static class TestNullComparator1 extends TestNullComparator {
public TestNullComparator1(String testName) {
super(testName);
}
public Comparator makeComparator() {
return new NullComparator();
}
public List getComparableObjectsOrdered() {
List list = new LinkedList();
list.add(new Integer(1));
list.add(new Integer(2));
list.add(new Integer(3));
list.add(new Integer(4));
list.add(new Integer(5));
list.add(null);
return list;
}
public String getCanonicalComparatorName(Object object) {
return super.getCanonicalComparatorName(object) + "1";
}
}
/**
* Test the NullComparator with nulls low using the comparable comparator
**/
public static class TestNullComparator2 extends TestNullComparator {
public TestNullComparator2(String testName) {
super(testName);
}
public Comparator makeComparator() {
return new NullComparator(false);
}
public List getComparableObjectsOrdered() {
List list = new LinkedList();
list.add(null);
list.add(new Integer(1));
list.add(new Integer(2));
list.add(new Integer(3));
list.add(new Integer(4));
list.add(new Integer(5));
return list;
}
public String getCanonicalComparatorName(Object object) {
return super.getCanonicalComparatorName(object) + "2";
}
}
}