Commons Collections example source code file (TestGrowthList.java)

This example Commons Collections source code file (TestGrowthList.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

arraylist, collection, growthlist, growthlist, indexoutofboundsexception, indexoutofboundsexception, integer, integer, list, list, object, string, test, testgrowthlist, util

The Commons Collections TestGrowthList.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.list;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;

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

/**
 * Extension of {@link TestList} for exercising the {@link GrowthList}.
 *
 * @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 TestGrowthList extends AbstractTestList {

    public TestGrowthList(String testName) {
        super(testName);
    }

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

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

    public List makeEmptyList() {
        return new GrowthList();
    }

    public List makeFullList() {
        List list = new ArrayList();
        list.addAll(Arrays.asList(getFullElements()));
        return GrowthList.decorate(list);
    }

    //-----------------------------------------------------------------------
    public void testGrowthAdd() {
        Integer one = new Integer(1);
        GrowthList grower = new GrowthList();
        assertEquals(0, grower.size());
        grower.add(1, one);
        assertEquals(2, grower.size());
        assertEquals(null, grower.get(0));
        assertEquals(one, grower.get(1));
    }

    public void testGrowthAddAll() {
        Integer one = new Integer(1);
        Integer two = new Integer(2);
        Collection coll = new ArrayList();
        coll.add(one);
        coll.add(two);
        GrowthList grower = new GrowthList();
        assertEquals(0, grower.size());
        grower.addAll(1, coll);
        assertEquals(3, grower.size());
        assertEquals(null, grower.get(0));
        assertEquals(one, grower.get(1));
        assertEquals(two, grower.get(2));
    }

    public void testGrowthSet1() {
        Integer one = new Integer(1);
        GrowthList grower = new GrowthList();
        assertEquals(0, grower.size());
        grower.set(1, one);
        assertEquals(2, grower.size());
        assertEquals(null, grower.get(0));
        assertEquals(one, grower.get(1));
    }

    public void testGrowthSet2() {
        Integer one = new Integer(1);
        GrowthList grower = new GrowthList();
        assertEquals(0, grower.size());
        grower.set(0, one);
        assertEquals(1, grower.size());
        assertEquals(one, grower.get(0));
    }

    //-----------------------------------------------------------------------
    /**
     * Override.
     */
    public void testListAddByIndexBoundsChecking() {
        List list;
        Object element = getOtherElements()[0];
        try {
            list = makeEmptyList();
            list.add(-1, element);
            fail("List.add should throw IndexOutOfBoundsException [-1]");
        } catch (IndexOutOfBoundsException e) {
            // expected
        }
    }

    /**
     * Override.
     */
    public void testListAddByIndexBoundsChecking2() {
        List list;
        Object element = getOtherElements()[0];
        try {
            list = makeFullList();
            list.add(-1, element);
            fail("List.add should throw IndexOutOfBoundsException [-1]");
        } catch (IndexOutOfBoundsException e) {
            // expected
        }
    }

    /**
     * Override.
     */
    public void testListSetByIndexBoundsChecking() {
        List list = makeEmptyList();
        Object element = getOtherElements()[0];
        try {
            list.set(-1, element);
            fail("List.set should throw IndexOutOfBoundsException [-1]");
        } catch (IndexOutOfBoundsException e) {
            // expected
        }
    }

    /**
     * Override.
     */
    public void testListSetByIndexBoundsChecking2() {
        List list = makeFullList();
        Object element = getOtherElements()[0];
        try {
            list.set(-1, element);
            fail("List.set should throw IndexOutOfBoundsException [-1]");
        } catch(IndexOutOfBoundsException e) {
            // expected
        } 
    }

    //-----------------------------------------------------------------------
    public String getCompatibilityVersion() {
        return "3.2";
    }

//    public void testCreate() throws Exception {
//        resetEmpty();
//        writeExternalFormToDisk((java.io.Serializable) collection, "C:/commons/collections/data/test/GrowthList.emptyCollection.version3.2.obj");
//        resetFull();
//        writeExternalFormToDisk((java.io.Serializable) collection, "C:/commons/collections/data/test/GrowthList.fullCollection.version3.2.obj");
//    }

}