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Commons Collections example source code file (TestNullComparator.java)
The Commons Collections TestNullComparator.java source code/* * 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"; } } } Other Commons Collections examples (source code examples)Here is a short list of links related to this Commons Collections TestNullComparator.java source code file: |
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