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Commons Collections example source code file (TestCaseInsensitiveMap.java)

This example Commons Collections source code file (TestCaseInsensitiveMap.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Collections tags/keywords

abstracttestiterablemap, caseinsensitivemap, four, map, map, one, one, set, string, testcaseinsensitivemap, three, three, two, two, util

The Commons Collections TestCaseInsensitiveMap.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 java.util.Set;

import junit.framework.Test;
import junit.textui.TestRunner;

import org.apache.commons.collections.BulkTest;

 * Tests for the {@link CaseInsensitiveMap} implementation.
 * @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $
 * @author Commons-Collections team
public class TestCaseInsensitiveMap extends AbstractTestIterableMap {

    public TestCaseInsensitiveMap(String testName) {

    public static void main(String[] args) {
    public static Test suite() {
        return BulkTest.makeSuite(TestCaseInsensitiveMap.class);

    public Map makeEmptyMap() {
        return new CaseInsensitiveMap();
    public String getCompatibilityVersion() {
        return "3";
    public void testCaseInsensitive() {
        Map map = new CaseInsensitiveMap();
        map.put("One", "One");
        map.put("Two", "Two");
        assertEquals("One", (String) map.get("one"));
        assertEquals("One", (String) map.get("oNe"));
        map.put("two", "Three");
        assertEquals("Three", (String) map.get("Two"));
    public void testNullHandling() {
        Map map = new CaseInsensitiveMap();
        map.put("One", "One");
        map.put("Two", "Two");
        map.put(null, "Three");
        assertEquals("Three", (String) map.get(null));
        map.put(null, "Four");
        assertEquals("Four", (String) map.get(null));
        Set keys = map.keySet();
        assertTrue(keys.size() == 3);
    public void testPutAll() {
        Map map = new HashMap();
        map.put("One", "One");
        map.put("Two", "Two");
        map.put("one", "Three");
        map.put(null, "Four");
        map.put(new Integer(20), "Five");
        Map caseInsensitiveMap = new CaseInsensitiveMap(map);
        assertTrue(caseInsensitiveMap.size() == 4); // ones collapsed
        Set keys = caseInsensitiveMap.keySet();
        assertTrue(keys.size() == 4);
            || !caseInsensitiveMap.containsValue("Three")); // ones collaped
        assertEquals(caseInsensitiveMap.get(null), "Four");

    public void testClone() {
        CaseInsensitiveMap map = new CaseInsensitiveMap(10);
        map.put("1", "1");
        Map cloned = (Map) map.clone();
        assertEquals(map.size(), cloned.size());
        assertSame(map.get("1"), cloned.get("1"));
    public void testCreate() throws Exception {
        writeExternalFormToDisk((java.io.Serializable) map, "/home/phil/jakarta-commons/collections/data/test/CaseInsensitiveMap.emptyCollection.version3.obj");
        writeExternalFormToDisk((java.io.Serializable) map, "/home/phil/jakarta-commons/collections/data/test/CaseInsensitiveMap.fullCollection.version3.obj");

Other Commons Collections examples (source code examples)

Here is a short list of links related to this Commons Collections TestCaseInsensitiveMap.java source code file:

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