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Commons Collections example source code file (TestDefaultedMap.java)
The Commons Collections TestDefaultedMap.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.map; import java.util.HashMap; import java.util.Map; import junit.framework.Test; import junit.framework.TestSuite; import org.apache.commons.collections.Factory; import org.apache.commons.collections.FactoryUtils; import org.apache.commons.collections.Transformer; import org.apache.commons.collections.functors.ConstantFactory; /** * Extension of {@link TestMap} for exercising the * {@link DefaultedMap} implementation. * * @since Commons Collections 3.2 * @version $Revision: 155406 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $ * * @author Stephen Colebourne */ public class TestDefaultedMap extends AbstractTestMap { protected static final Factory nullFactory = FactoryUtils.nullFactory(); public TestDefaultedMap(String testName) { super(testName); } public static Test suite() { return new TestSuite(TestDefaultedMap.class); } public static void main(String args[]) { String[] testCaseName = { TestDefaultedMap.class.getName()}; junit.textui.TestRunner.main(testCaseName); } //----------------------------------------------------------------------- public Map makeEmptyMap() { return DefaultedMap.decorate(new HashMap(), nullFactory); } //----------------------------------------------------------------------- public void testMapGet() { Map map = new DefaultedMap("NULL"); assertEquals(0, map.size()); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); map.put("Key", "Value"); assertEquals(1, map.size()); assertEquals(true, map.containsKey("Key")); assertEquals("Value", map.get("Key")); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); } public void testMapGet2() { HashMap base = new HashMap(); Map map = DefaultedMap.decorate(base, "NULL"); assertEquals(0, map.size()); assertEquals(0, base.size()); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); map.put("Key", "Value"); assertEquals(1, map.size()); assertEquals(1, base.size()); assertEquals(true, map.containsKey("Key")); assertEquals("Value", map.get("Key")); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); } public void testMapGet3() { HashMap base = new HashMap(); Map map = DefaultedMap.decorate(base, ConstantFactory.getInstance("NULL")); assertEquals(0, map.size()); assertEquals(0, base.size()); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); map.put("Key", "Value"); assertEquals(1, map.size()); assertEquals(1, base.size()); assertEquals(true, map.containsKey("Key")); assertEquals("Value", map.get("Key")); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); } public void testMapGet4() { HashMap base = new HashMap(); Map map = DefaultedMap.decorate(base, new Transformer() { public Object transform(Object input) { if (input instanceof String) { return "NULL"; } return "NULL_OBJECT"; } }); assertEquals(0, map.size()); assertEquals(0, base.size()); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); assertEquals("NULL_OBJECT", map.get(new Integer(0))); map.put("Key", "Value"); assertEquals(1, map.size()); assertEquals(1, base.size()); assertEquals(true, map.containsKey("Key")); assertEquals("Value", map.get("Key")); assertEquals(false, map.containsKey("NotInMap")); assertEquals("NULL", map.get("NotInMap")); assertEquals("NULL_OBJECT", map.get(new Integer(0))); } public String getCompatibilityVersion() { return "3.2"; } // public void testCreate() throws Exception { // resetEmpty(); // writeExternalFormToDisk( // (java.io.Serializable) map, // "c:/commons/collections/data/test/DefaultedMap.emptyCollection.version3.2.obj"); // resetFull(); // writeExternalFormToDisk( // (java.io.Serializable) map, // "c:/commons/collections/data/test/DefaultedMap.fullCollection.version3.2.obj"); // } } Other Commons Collections examples (source code examples)Here is a short list of links related to this Commons Collections TestDefaultedMap.java source code file: |
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