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Commons Collections example source code file (AbstractTestIterableMap.java)

This example Commons Collections source code file (AbstractTestIterableMap.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, abstracttestmapiterator, bulktest, concurrentmodificationexception, concurrentmodificationexception, innertestmapiterator, innertestmapiterator, iterablemap, iterator, iterator, map, mapiterator, object, object, util

The Commons Collections AbstractTestIterableMap.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.ConcurrentModificationException;
import java.util.Iterator;
import java.util.Map;

import org.apache.commons.collections.IterableMap;
import org.apache.commons.collections.BulkTest;
import org.apache.commons.collections.MapIterator;
import org.apache.commons.collections.iterators.AbstractTestMapIterator;

/**
 * Abstract test class for {@link IterableMap} methods and contracts.
 *
 * @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $
 * 
 * @author Stephen Colebourne
 */
public abstract class AbstractTestIterableMap extends AbstractTestMap {

    /**
     * JUnit constructor.
     * 
     * @param testName  the test name
     */
    public AbstractTestIterableMap(String testName) {
        super(testName);
    }
    
    //-----------------------------------------------------------------------
    public void testFailFastEntrySet() {
        if (isRemoveSupported() == false) return;
        resetFull();
        Iterator it = map.entrySet().iterator();
        Map.Entry val = (Map.Entry) it.next();
        map.remove(val.getKey());
        try {
            it.next();
            fail();
        } catch (ConcurrentModificationException ex) {}
        
        resetFull();
        it = map.entrySet().iterator();
        it.next();
        map.clear();
        try {
            it.next();
            fail();
        } catch (ConcurrentModificationException ex) {}
    }
    
    public void testFailFastKeySet() {
        if (isRemoveSupported() == false) return;
        resetFull();
        Iterator it = map.keySet().iterator();
        Object val = it.next();
        map.remove(val);
        try {
            it.next();
            fail();
        } catch (ConcurrentModificationException ex) {}
        
        resetFull();
        it = map.keySet().iterator();
        it.next();
        map.clear();
        try {
            it.next();
            fail();
        } catch (ConcurrentModificationException ex) {}
    }
    
    public void testFailFastValues() {
        if (isRemoveSupported() == false) return;
        resetFull();
        Iterator it = map.values().iterator();
        it.next();
        map.remove(map.keySet().iterator().next());
        try {
            it.next();
            fail();
        } catch (ConcurrentModificationException ex) {}
        
        resetFull();
        it = map.values().iterator();
        it.next();
        map.clear();
        try {
            it.next();
            fail();
        } catch (ConcurrentModificationException ex) {}
    }
    
    //-----------------------------------------------------------------------
    public BulkTest bulkTestMapIterator() {
        return new InnerTestMapIterator();
    }
    
    public class InnerTestMapIterator extends AbstractTestMapIterator {
        public InnerTestMapIterator() {
            super("InnerTestMapIterator");
        }
        
        public Object[] addSetValues() {
            return AbstractTestIterableMap.this.getNewSampleValues();
        }
        
        public boolean supportsRemove() {
            return AbstractTestIterableMap.this.isRemoveSupported();
        }
        
        public boolean isGetStructuralModify() {
            return AbstractTestIterableMap.this.isGetStructuralModify();
        }

        public boolean supportsSetValue() {
            return AbstractTestIterableMap.this.isSetValueSupported();
        }

        public MapIterator makeEmptyMapIterator() {
            resetEmpty();
            return ((IterableMap) AbstractTestIterableMap.this.map).mapIterator();
        }

        public MapIterator makeFullMapIterator() {
            resetFull();
            return ((IterableMap) AbstractTestIterableMap.this.map).mapIterator();
        }
        
        public Map getMap() {
            // assumes makeFullMapIterator() called first
            return AbstractTestIterableMap.this.map;
        }
        
        public Map getConfirmedMap() {
            // assumes makeFullMapIterator() called first
            return AbstractTestIterableMap.this.confirmed;
        }
        
        public void verify() {
            super.verify();
            AbstractTestIterableMap.this.verify();
        }
    }
    
//  public void testCreate() throws Exception {
//      resetEmpty();
//      writeExternalFormToDisk((Serializable) map, "D:/dev/collections/data/test/HashedMap.emptyCollection.version3.obj");
//      resetFull();
//      writeExternalFormToDisk((Serializable) map, "D:/dev/collections/data/test/HashedMap.fullCollection.version3.obj");
//  }
}

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