Commons Collections example source code file (TestTransformedSet.java)

This example Commons Collections source code file (TestTransformedSet.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

abstracttestset, collection, hashset, hashset, integer, object, object, set, set, string, test, testtransformedset, testtransformedset, util

The Commons Collections TestTransformedSet.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.set;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.apache.commons.collections.collection.TestTransformedCollection;

/**
 * Extension of {@link TestSet} for exercising the {@link TransformedSet}
 * implementation.
 *
 * @since Commons Collections 3.0
 * @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $
 * 
 * @author Stephen Colebourne
 */
public class TestTransformedSet extends AbstractTestSet {
    
    public TestTransformedSet(String testName) {
        super(testName);
    }

    public static Test suite() {
        return new TestSuite(TestTransformedSet.class);
    }

    public static void main(String args[]) {
        String[] testCaseName = { TestTransformedSet.class.getName()};
        junit.textui.TestRunner.main(testCaseName);
    }

    public Collection makeConfirmedCollection() {
        return new HashSet();
    }

    public Collection makeConfirmedFullCollection() {
        Set set = new HashSet();
        set.addAll(Arrays.asList(getFullElements()));
        return set;
    }
    
    public Set makeEmptySet() {
        return TransformedSet.decorate(new HashSet(), TestTransformedCollection.NOOP_TRANSFORMER);
    }

    public Set makeFullSet() {
        Set list = new HashSet();
        list.addAll(Arrays.asList(getFullElements()));
        return TransformedSet.decorate(list, TestTransformedCollection.NOOP_TRANSFORMER);
    }
    
    public void testTransformedSet() {
        Set set = TransformedSet.decorate(new HashSet(), TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER);
        assertEquals(0, set.size());
        Object[] els = new Object[] {"1", "3", "5", "7", "2", "4", "6"};
        for (int i = 0; i < els.length; i++) {
            set.add(els[i]);
            assertEquals(i + 1, set.size());
            assertEquals(true, set.contains(new Integer((String) els[i])));
            assertEquals(false, set.contains(els[i]));
        }
        
        assertEquals(false, set.remove(els[0]));
        assertEquals(true, set.remove(new Integer((String) els[0])));
        
    }

    public String getCompatibilityVersion() {
        return "3.1";
    }

//    public void testCreate() throws Exception {
//        resetEmpty();
//        writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/TransformedSet.emptyCollection.version3.1.obj");
//        resetFull();
//        writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/TransformedSet.fullCollection.version3.1.obj");
//    }

}